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product structure silicon monolithic integrated circuit this product has no designed protection against radioactive ra ys 1/ 25 tsz02201-0313aa400610-1-2 ? 20 16 rohm co., ltd. all rights reserved. 26.apr.2016 rev.001 tsz22111 ? 14 ? 001 www.rohm.com switching regulator ics with built in fet (5v) bd 9631gu general description bd9631gu is a system switching regulator ic for dsc/dvc applications to generate plural voltage high efficiently from battery. component for power fet and phase compensation are embedded so it is suitable for compact type dsc/dvc application. features ? 7ch dc/dc converter , 1ch ldo embedded ? ch1 boost startup ch,motor ? ch2 ldo fet embedded analog ? ch3 buck fet embedded core ? ch4 buck-boost fet embedded digital ? ch5 buck fe t embedded memory ? ch6 boost led ? ch7 boost fet embedded ccd ? ch8 reverse ccd ? low voltage operation 2.5[v] ? ch1 supply voltage output for internal circuit ? ch1 pwm / pfm selectable ? ch3 high speed response by current control ? ch4 boost-buck auto switching ? ch6,ch7 integrated boost output shutdown ? ch7 : back gate control function ? ch6 : load switch integrated ? soft-start correspondence to each channel ch ? ch3 ch4 sequence control integrated ? ch7 ch8 2-types sequence control integrated ? output current limiter (ch2,ch3), short circuit protection function(ch4 to ch8) integrated ? error amp phase compensation integrated ? operating frequency 1[mhz](ch1,ch3 to ch5 ), 500[khz](ch6 to ch8) key specifications ? vbat supply voltage: 2.5v to 5.5v ? oscillating frequency 1: 1.0 mhz(typ) ? oscillating frequency 2: 500khz(typ) ? on -resistance: ch2 pmos 1.2 (typ) ch 3 pmos 0.45 (typ) ch 3 nmos 0.30 (typ) ch4 pmos down,up side 0.45 (typ) ch4 nmos down,up side 0.30 (typ) ch5 pmos,nmos 0.35 (typ) ch6 load switch 0.40 (typ) ch7 pmos 4.00 (typ) ch7 nmos 0.70 (typ) ? operating temperature range - 20 c to + 85 c package w (typ) x d (typ) x h (max) vcsp85h4 4.26mm x 4.26mm x 1.00 mm datashee t datashee t downloaded from: http:///
bd9631gu 2/ 25 tsz02201-0313aa400610-1-2 ? 20 16 rohm co., ltd. all rights reserved. 26.apr.2016 rev.001 www.rohm.com tsz22111 ? 15 ? 001 pin configuration h h1 vout4 usw4 pgnd4 pgnd4 dsw4 vbat4 h8 g vbat3 vout4 usw4 xshdn1 xshdn34 dsw4 vbat4 vout7 f sw3 fb4 xshdn5 xshdn2 cont78 xshdn78 xlvs sw7 e pgnd3 fb3 vcc ctl34 pwm/pfm xshdn6 fb7 pgnd7 d pgnd1 reserve prev1 agnd1 agnd2 vref rt pgnd8 c out1 vdco prev6 fb1 reserve fb8 out8 b vout2 vbat fb2 out6 fb6.1 fb6 fb5 vbat8 a a1 vbat6 lso6 pgnd6 pgnd5 sw5 vbat5 a8 1 2 3 4 5 6 7 8 pin descriptions terminal no. name equivalent circuit terminal no. name equivalent circuit 1-a a1 test terminal o ? g 1- e pgnd3 ch3 driver gnd terminal g 2-a vbat6 load switch input terminal v 2- e fb3 ch3 feedback terminal o ? g 3-a lso6 load switch output terminal o 3- e vcc analog power supply terminal v 4-a pgnd6 ch6 driver gnd terminal g 4- e ctl34 ch3,ch4 output voltage switching terminal o ? g 5-a pgnd5 ch5 driver gnd terminal g 5- e pwm/pfm ch1 pwm/pfm select terminal o ? g 6-a sw5 ch5 switching terminal o 6- e xshdn6 ch6 shutdown terminal o ? g 7-a vbat5 ch5 driver power supply terminal v 7- e fb7 ch7 feedback terminal g 8-a a8 test terminal o ? g 8- e pgnd7 ch7 driver gnd terminal g 1-b vout2 ch2 output terminal o 1- f sw3 ch3 switching terminal o 2-b vbat battery input terminal v 2- f fb4 ch4 feedback terminal o ? g 3-b fb2 ch2 feedback terminal g 3- f xshdn5 ch5 shutdown terminal o ? g 4-b out6 ch6 gate connecting terminal o 4- f xshdn2 ch2 shutdown terminal o ? g 5-b fb6.1 ch6 feedback terminal (constant voltage side g 5- f cont78 ch7,ch8 sequence control terminal g 6-b fb6 ch6 feedback terminal (constant voltage side o ? g 6- f xshdn78 ch7,ch8 shutdown terminal o ? g 7-b fb5 ch5 feedback terminal g 7- f xlvs ch4 gate connecting terminal o 8-b vbat8 ch8 driver power supply terminal v 8- f sw7 ch7 switching terminal o 1-c out1 ch1 gate connecting terminal o 1- g vbat3 ch3 driver power supply terminal v 2-c vdco ch2ldo power supply terminal v 2- g vout4 ch4 output terminal o 3-c - 3- g usw4 ch4 boost side switching terminal o 4-c prev6 ch6 driver power supply terminal v 4- g xshdn1 ch1 shutdown terminal g 5-c fb1 ch1 feedback terminal g 5- g xshdn34 ch3,ch4 shutdown terminal o ? g 6-c reserve re serve terminal o ? g 6- g dsw4 ch4 buck side switching terminal o 7-c fb8 ch8 feedback terminal g 7- g vbat4 ch4 driver power supply terminal v 8-c out8 ch8 gate connecting terminal o 8- g vout7 ch7 output terminal o 1-d pgnd1 ch1 driver gnd terminal g 1- h h1 test terminal o ? g 2-d reserve re serve terminal o ? g 2- h vout4 ch4 output terminal o 3-d prev1 ch1 driver power supply terminal v 3- h usw4 ch4 boost side switching terminal o 4-d agnd1 analog gnd terminal g 4- h pgnd4 ch4 driver gnd terminal g 5-d agnd2 analog gnd terminal g 5- h pgnd4 ch4 driver gnd terminal g 6-d vref internal circuit power ch8 reference voltage (note 1) 6- h dsw4 ch4 buck side switching terminal o 7-d rt triangle wave setting resistor terminal (note 2) 7- h vbat4 ch4 driver power supply terminal v 8-d pgnd8 ch8 driver gnd terminal g 8- h h8 test terminal o ? g the letter on the right side of each pin explanation indicates the reaction if the terminal are not used. o ??? open g ??? gnd o ? g ??? o pen or gnd v ??? power supply (vbat) (note 1) ??? 1.0[f] pull_down (note 2) ??? 100[k ] pull_down bottom view downloaded from: http:///
bd9631gu 3/ 25 tsz02201-0313aa400610-1-2 ? 20 16 rohm co., ltd. all rights reserved. 26.apr.2016 rev.001 www.rohm.com tsz22111 ? 15 ? 001 block diagram [ch2] ldo vout2 ldo control vdco vout2 fb2 [ch4] buck-boost pre driver prev6 vbat6 lso6 out6 pgnd6 fb6.1 fb7 pre driver vout7 sw7 pgnd7 [ch6] fb8 pre driver vbat8 out8 pgnd8 rt xshdn1 cont78 vbat agnd1 agnd2 tsd vcc startup circuit vref internal power supply xshdn5 xshdn6 xshdn78 xshdn2 xshdn34 control vout1 [ch7] [ch8] reverse vbat vref vout8 vout7 vbat vout6 vout7 vbat vout8 vbat ramp,saw 1[mhz] 500[khz] [ch1] boost pwm/pfm fb1 vout1 prev1 out1 pgnd1 pre driver vout1 vbat pfm pwm [ch3] buck slope fb3 vout3 vbat sw3 pre driver current sense vbat3 pgnd3 ctl34 xlvs vout4 dsw4 usw4 pgnd4 pre driver vbat4 buck-boost pwmcomp vbat vout4 fb5 sw5 vbat5 pgnd5 pre driver buck pwmcomp vout5 lvs fb4 vout3 vout4 vout6 fb6 vout1 max. duty max. duty max. duty max. duty max. duty max. duty vout5 vbat [ch5] buck boost boost downloaded from: http:///
bd9631gu 4/ 25 tsz02201-0313aa400610-1-2 ? 20 16 rohm co., ltd. all rights reserved. 26.apr.2016 rev.001 www.rohm.com tsz22111 ? 15 ? 001 absolute maximum ratings ta=25 c parameter symbol rating unit supply voltage v vbat v vbat3,4,5,6,8 -0.3 to +7 v vout7 permissible voltage v vout7 -0.3 to +15 v sw7 permissible voltage v sw7 -0.3 to +15 v vout2 permissible current output i vout2 0.3 a sw3 permissible current output i sw3 0.5 a vout4 permissible current output i vout4 1.0 a sw5 permissible current output i sw5 0.5 a lso6 permissible current output i lso6 0.5 a sw 7 permissible current output i sw7 0.5 a power dissipation pd 1.4 (note 1) w operating temperature range topt - 20 to +85 c storage temperature range tstg - 55 to +150 c junction temperature t jmax +150 c (note 1) implemented on glass epoxy board (rohm standard board :50 x 58 x 1.75[mm 3 ] 8 layers caution: operating the ic over the absolute maximum ratings may damage the ic. the damage can either be a short circuit between pins or an open circuit between pins and the internal circuitry. therefore, it is important to conside r circuit protection measures, such as adding a fuse, in case the ic is operated ov er the absolute maximum ratings. recommended operating conditions parameter symbol limit u nit conditions min typ m ax vbat supply voltage v vbat 2. 5 3.7 5.5 v v vbat3 2.5 3.7 5.5 v v vbat4 2.5 3.7 5.5 v v vbat5 2.5 3.7 5.5 v v vbat6 2.5 3.7 5.5 v v vbat8 2.5 3.7 5.5 v downloaded from: http:///
bd9631gu 5/ 25 tsz02201-0313aa400610-1-2 ? 20 16 rohm co., ltd. all rights reserved. 26.apr.2016 rev.001 www.rohm.com tsz22111 ? 15 ? 001 electrical characteristics unless otherwise specified , v vbat =v vbat3,4,5,6,8 =3.7[v] , vout1 input terminal =4.2[v] , ta=25[ c ] parameter symbol limit unit conditions min t yp m ax current consumption (pfm) i cc1 - 90 180 a ? xshdn1=h, pwm/pfm=l, other setting terminal =l ? without load on each channel ? sum of vbat terminal, and vout1 terminal current consumption (pwm) i cc2 1.00 1.50 2.25 ma ? xshdn1=h, pwm/pfm=h, other setting terminal =l ? without load on each channel ? sum of vbat terminal, and vout1 terminal shutdown current consumption i cc3 - 0 10 a ? all setting terminal =l ? without load on each channel ? sum of vbat terminal, and vout1 terminal h input voltage1 v ih1 v vbat -0.3 - - v xshdn1 l input voltage1 v il1 - - gnd +0.3 v h input voltage2 v ih2 v vref -0.3 - v vref +0.3 v ctl34 l input voltage2 v il2 - - gnd +0.3 v h input voltage3 v ih3 2.5 - - v setting terminal except for xshdn1,ctl34 l input voltage3 v il3 - - gnd +0.3 v h input current1 i ih1 4.63 9.25 18.5 a input voltage=3.7[v] xshdn2,xshdn34,xshdn5,xshdn6, xshdn78,pwm/pfm h input current2 i ih2 12.5 25 50 a input voltage=vref ctl34 l input current2 i il2 12.5 25 50 a input voltage=0[v] ctl34 oscillating frequency 1 f osc1 0.8 1.0 1.2 mhz r rt =100[k] oscillating frequency 2 f osc2 400 500 600 khz r rt =100[k ] reduced-voltage detection voltage v uvlo1 1.60 1.80 2.00 v reduced-voltage return voltage v uvlo2 1.80 2.00 2.20 v internal power supply , ch8 reference voltage output voltage v vref 2.44 2.50 2.56 v load current 10[ma] output current i vref - - 10 ma ch1 error amp reference voltage v eref1 0.39 0.40 0.41 v pwm/pfm=h soft-start period 85% t ss1 0.44 1.08 1.72 ms soft-start period 100% 1.27[ms](typ) pwm/pfm=l maximum duty dmax1 76.5 85.0 93.5 % pwm/pfm=h downloaded from: http:///
bd9631gu 6/ 25 tsz02201-0313aa400610-1-2 ? 20 16 rohm co., ltd. all rights reserved. 26.apr.2016 rev.001 www.rohm.com tsz22111 ? 15 ? 001 electrical characteristics C continued unless otherwise specified , v vbat =v vbat3,4,5,6,8 =3.7[v] , vout1 input terminal=4.2[v] , ta=25[ c ] parameter symbol limit unit conditions min t yp m ax ch2 reference voltage v ref2 0.29 0.30 0.31 v startup period 85% t ss2 0.51 1.28 2.05 ms startup period 100% 1.5[ms] typ pmos on -resistance r onp2 - 1.20 1.95 power supply 3.7[v] ch3 error amp reference voltage v eref3 0.39 0.40 0.41 v soft-start period 85% t ss3 0.425 0.85 1.70 ms soft-start period 100% 1.0[ms] typ pmos on -resistance r onp3 - 0.45 0.70 power supply 3.7[v] nmos on -resistance r onn3 - 0.30 0.55 power supply 3.7[v] ch4 error amp reference voltage v eref4 0.39 0.40 0.41 v soft-start period 85% t ss4 1.07 2.13 4.26 ms soft-start period 100% 2.5[ms] typ pmos on -resistance down side r onpd4 - 0.45 0.70 power supply 3.7[v] nmos on -resistance down side r onnd4 - 0.30 0.55 power supply 3.7[v] pmos on -resistance up side r onpu4 - 0.45 0.70 power supply 3.7[v] nmos on -resistance up side r onnu4 - 0.30 0.55 power supply 3.7[ v] maximum duty dmax4 65 80 95 % ch5 error amp reference voltage v eref5 0.39 0.40 0.41 v soft-start period 85% t ss5 1.75 3.5 7.0 ms soft-start period 100% 4.12[ms] typ pmos on -resistance r onp5 - 0.35 0.60 power supply 3.7[v] nmos on -resistance r onn5 - 0.35 0.60 power supply 3.7[v] maximum duty dmax5 76.5 - - % ch6 error amp reference voltage 1 v eref6 0.386 0.40 0.414 v constant voltage control side error amp reference voltage 2 v eref6.1 0.386 0.40 0.414 v constant current control side soft-start period 85% t ss6 2.55 5.10 10.2 ms soft-start period 100% 6.0[ms](typ) load switch on -resistance r onp6 - 0.40 0.65 power supply 3.7[v] maximum duty dmax6 87 - - % ch7 error amp reference voltage v eref7 0.983 1.00 1.017 v soft-start period 85% t ss7 2.55 5.10 10.2 ms soft-start period 100% 6.0[ms](typ) pmos on -resistance r onp7 - 4.00 6.40 power supply 3.7[v] nmos on -resistance r onn7 - 0.70 1.12 power supply 3.7[v] maximum duty dmax7 87 - - % ch8 error amp reference voltage v eref8 0.978 1.00 1.022 v refer to p.16 for output voltage accuracy soft-start period 85% t ss8 2.55 5.10 10.2 ms soft-start period 100% 6.0[ms](typ) maximum duty dmax8 87 - - % downloaded from: http:///
bd9631gu 7/ 25 tsz02201-0313aa400610-1-2 ? 20 16 rohm co., ltd. all rights reserved. 26.apr.2016 rev.001 www.rohm.com tsz22111 ? 15 ? 001 function description features summary ch function output voltage (typ) power output setting res. use ch1 boost converter 4.2[v] to 5.5[v] external external start- up ch,motor ch2 ldo i/o voltage differential over 0.2[v] embedded external analog ch3 buck converter 1.05[v]/1.26[v]/1.8[v] embedded embedded core ch4 h-bridge converter 3.25[v]/3.3[v] embedded embedded digital ch5 buck converter 1.8[v] embedded external memory ch6 boost 6[v] to 16[v] external external led ch7 boost 12[v] to 13[v] embedded external ccd ch8 reverse -7.5[v] to -6[v] external external ccd control ? stand-by function related terminals following table shows start-up condition of each block. xshdn 1 pwm /pfm xshdn 2 xshdn 34 xshdn 5 xshdn 6 xshdn 78 ch1 intern al suppl y ram p saw ch2 ch3 ch4 ch5 ch6 ch7 ch8 l - - - - - - off off off off off of f off off h l - - - - - on off off off off off off off h l l l l l on on off off off off off h l l l l on off off off off l h l l l off on off off off l l h l l off off on off off l l l h l off off off on off l l l l h off off off off on (note ) pwm/pfm logic refer to the table below. (note) -symbol mean without conditions. ? other setting terminals terminal function pwm/pfm h pwm operation l pfm operation ctl34 h open l vout3 1.80[v] 1.26[v] 1.05[v] vout4 3.30[v] 3.25[v] 3.25[v] (note)high level of ctl34 is vref voltage (note) logic after some [us] from rising edge of xshdn34 cont78 h ch7,ch8 startup synchronous l ch7 ch8 startup (note) logic after some [us] from rising edge of xshdn78 ? ctl34 terminal equivalent circuit ctl34 100[k ] 100[k ] vref agnd 30[k ] vref vref 400[k ] agnd 30[k ] vbat vbat ? xshdn2 to xshdn78, pwm/pfm terminal equivalent circuit downloaded from: http:///
bd9631gu 8/ 25 tsz02201-0313aa400610-1-2 ? 20 16 rohm co., ltd. all rights reserved. 26.apr.2016 rev.001 www.rohm.com tsz22111 ? 15 ? 001 ch1 ? function selectable pwm/pfm boost dc/dc converter. output voltage is ranges from 4.2[v] to 5.5[v] (typ) . low voltage operation starts up from 2.5[v] and also provides s upply voltage to vref circuit. ? recommended external components parts name value maker part number c 1 22[f] x 2 taiyo yuden jmk212bj226mg c 2 10[f] taiyo yuden jmk212bj106kg c 3 560[pf] taiyo yuden umk105bj561kv l 1 1.0[h] toko a997as-1r0n m 1 - toshiba ssm3k122tu d 1 - rohm rb060m- 30 r 1 refer to the right table - r 2 refer to the right table - ? start-up sequence ? pwm/pfm 4.2[v] 5.0[v] r 1 510[k]+22[k] 620[k]+24[k ] r 2 56[k] 56[k] vbat 0[v] 2.5[v] to 5.5[v] xshdn1 0[v] vbat[v] vout1 0[v] 4.2[v] to 5.5[v] on_delay soft vbat[v] pfm operation pwm/pfm 4.2[v] to 5.5[v] vout1 load 10ma or less) pwm operation pfm operation load 10ma or less) discharge by load select pwm/pfm with light load (10ma or less). 0[v] h input voltage soft start period when vbat is 3.2[v] or less pwm/pfm fb1 prev1 vout1 pfm pwm c 3 r 1 r 2 0.4[v] pre driver startup circuit out1 pgnd1 m 1 d 1 vout1 c 1 vbat c 2 l 1 0 to vbat max. duty setting external components vout1 0.4[v] r r r vout1 2 2 1 ? ? ? downloaded from: http:///
bd9631gu 9/ 25 tsz02201-0313aa400610-1-2 ? 20 16 rohm co., ltd. all rights reserved. 26.apr.2016 rev.001 www.rohm.com tsz22111 ? 15 ? 001 internal supply voltage ? function ldo input voltage is supplied by vout1 . output voltage is 2.5[v] typ . vref voltage is used to power up internal circuit and reverse referenc e of ch8. ? recommended external parts name value maker part number c 1 1.0[f] taiyo yuden jmk105bj105kv ? start-up sequence vout1 reference voltage vcc vref c 1 vref discharge pwm/pfm vcc 4.2[v] to 5.5[v] h input voltage vref 2.5[v] 0[v] 0[v] downloaded from: http:///
bd9631gu 10 / 25 tsz02201-0313aa400610-1-2 ? 20 16 rohm co., ltd. all rights reserved. 26.apr.2016 rev.001 www.rohm.com tsz22111 ? 15 ? 001 ch2 ? function ldo for minimum i/o voltage differential is 0.2[v] or more. output voltage ranges : if input voltage is vout1, from 3.3[v] to 3.5[v] typ , vout4, 1.8[v] typ . ? recommended external parts name value maker part number vout2 3.3[v] 1.8[v] r 1 refer to the right r 1 300[k] 150[k] r 2 refer to the right r 2 30[k] 30[k] r 3 200[m] c 1 2.2[f] taiyo yuden jmk107bj225ka c 2 10[pf] taiyo yuden tmk063ch100fp ? start-up sequence ? over current protection characteristics of output voltage and output current is shown bel ow. vdco 4.2[v] to 5.5[v]/3.25[v],3.3[v] vref 2.5[v] 0[v] vout2 3.3[v] to 3.5[v]/1.8[v] 1.5[ms] xshdn2 0[v] h input voltage discharge start-up period 1.5[ms] vout1 vdco reference voltage current limit vout2 vout2 fb2 r 1 r 2 vout4 c 2 c 1 r 3 vout2 100[ma] 300[ma] iout2 0.3[v] r r r vout2 2 2 1 ? ? ? downloaded from: http:///
bd9631gu 11 / 25 tsz02201-0313aa400610-1-2 ? 20 16 rohm co., ltd. all rights reserved. 26.apr.2016 rev.001 www.rohm.com tsz22111 ? 15 ? 001 ch3 ? function synchronous rectification type current control buck dc/dc converter with built in power mos output stage. output voltage is selectable: 1.05[v]/1.26[v]/1.8[v] typ . ? recommended external parts name value maker part number c 1 10[f] taiyo yuden jmk212bj106kg c 2 10[f] taiyo yuden jmk212bj106kg l 1 10[h] sumida cdrh2d14np-100nc ? start-up sequence ? over current protection monitor in-rush current to pmos of powermos and if over current (abo ut 0.8[a] (typ)) is detected, it stops switching for about 2.0 [ s] (typ). timer latch circuit will latch pmos to off status if such cond ition remained for 1.0[ms]. latch will be released either setting xshdn1=gnd, pwm/pfm=gnd or restarting the device. ? setting voltage it is possible to return in a set voltage by adding external resi stance between vout3 and fb3. ctl34=l ctl34=open soft start period 1.0[ms] fb3 current sense limit 0.4[v] slope ramp sw3 vbat3 pgnd3 vbat c 1 c 2 ctl34 vout3 0 to vref pre driver l 1 vout3 place a resistance to change setting voltage by external xshdn34 0[v] h input voltage vout3 0[v] 1.05[v]/1.26[v]/1.8[v] vbat3 0[v] 2.5[v] to 5.5[v] discharge vref 2.5[v] 0[v] 0.4)[v] k] externalr[ (0.01452 1.050[v] vout3 ? ? ? ? 0.4)[v] k] externalr[ (0.01821 1.259[v] vout3 ? ? ? ? downloaded from: http:///
bd9631gu 12 / 25 tsz02201-0313aa400610-1-2 ? 20 16 rohm co., ltd. all rights reserved. 26.apr.2016 rev.001 www.rohm.com tsz22111 ? 15 ? 001 ch4 ? function synchronous rectification cross converter with built-in power mos output stage. output voltage is selectable: 3.25[v]/3.3[v] typ . in under voltage (2.85[v] (typ)), boost operation after external pmos turn s on. external pmos turns off in soft start period. ? recommended external parts name value maker part number c 1 22[f] taiyo yuden jmk212bj226mg c 2 10[f] taiyo yuden jmk212bj106kg l 1 4.7[h] sumida cdrh2d14np-4r7nc m 1 - toshiba ssm6j53fe ? start-up sequence ? setting voltage it is possible to return in a set voltage by adding external resi stance betwee n vout4 and fb4. vout3 0[v] 1.05[v]/1.26[v]/1.8[v] 70[%] vout4 0[v] xshdn34 0[v] 3.25[v]/3.3[v] h input voltage vref 2.5[v] vbat4 0[v] 0[v] 2.5[v] to 5.5[v] soft start period 2.5[ms] discharge by load ctl34=h ctl34=l, open pre driver buck-boost pwmcomp 0.4[v] xlvs vout4 dsw4 usw4 pgnd4 vbat4 vbat vout4 lvs c 1 c 2 ctl34 0 to vref l 1 m 1 fb4 saw max. duty vout4 place a resistance to change setting voltage by external 0.4[v] 40.7[k] k] externalr[ 330.7[k] vout4 ? ? ? 0.4[v] 40[k] k] externalr[ 330[k] vout4 ? ? ? downloaded from: http:///
bd9631gu 13 / 25 tsz02201-0313aa400610-1-2 ? 20 16 rohm co., ltd. all rights reserved. 26.apr.2016 rev.001 www.rohm.com tsz22111 ? 15 ? 001 ch5 ? function synchronous rectification buck dc/dc converter with built in power mo s output stage. output voltage range is 1.80[v] (typ). ? recommended external parts name value maker part number c 1 2.2[ f] taiyo yuden jmk107bj225ka c 2 10[f] taiyo yuden jmk212bj106kg c 3 47[pf] taiyo yuden tmk063ch470jp l 1 10[h] sumida cdrh2d14np-100nc r 1 180[k] - r 2 51[k] - ? start-up sequence xshdn5 0[v] h input voltage vout5 0[v] 1.8[v] vref 2.5[v] vbat5 0[v] 0[v] 2.5[v] to 5.5[v] soft start period 4.12[ms] discharge by load vout5 c 1 vout5 c 3 r 1 r 2 fb5 sw5 vbat5 pgnd5 buck pwmcomp pre driver vbat c 2 l 1 saw 0.4[v] max. duty 0.4[v] r r r vout5 2 2 1 ? ? ? downloaded from: http:///
bd9631gu 14 / 25 tsz02201-0313aa400610-1-2 ? 20 16 rohm co., ltd. all rights reserved. 26.apr.2016 rev.001 www.rohm.com tsz22111 ? 15 ? 001 xshdn6 0[v] h input voltage vout6 0[v] 6[v] to 16[v] on_delay vref 2.5[v] vbat6 0[v] 0[v] 2.5[v] to 5.5[v] soft soft start period 6.0[ms] vbat[v] ch6 ? function boost dc/dc converter with built-in load switch. this channel enables constant voltage operation and consta nt voltage operation for protection. the constant voltage is available with output of 6[v] to 16[v] (typ ). the load switch turns off when xshdn6 goes low (ch6 shutdown) and the t imer latch. ? recommended external parts name value maker part number c 1 10[f] taiyo yuden emk212bj106kg c 2 10[f] taiyo yuden jmk212bj106kg l 1 10[h] sumida cdrh2d14np-100nc r 1 20[] - qs 1 - rohm qs5u17 ? start-up sequence ? set voltage when fixed voltage is driven when a fixed voltage is driven by internal resistance, it is se t to 16v. it is possible to return in a set voltage by adding external resi stance between vout6 and fb6. however, note the resisting pressure of the capacitance of c 1 when stepping up the voltage applying external resistance. discharge by load prev6 vbat6 lso6 out6 pgnd6 fb6.1 vout6 c 1 r 1 qs 1 l 1 pre driver 0.4[v] 0.4[v] fb6 vout6 saw vout1 vbat or vout1 c 2 max. duty place a resistance to change setting voltage by external. 0.4[v] 10[k] 400[k] externalr vout6 ? ? ? downloaded from: http:///
bd9631gu 15 / 25 tsz02201-0313aa400610-1-2 ? 20 16 rohm co., ltd. all rights reserved. 26.apr.2016 rev.001 www.rohm.com tsz22111 ? 15 ? 001 ch7 ? function synchronous rectificatio n boost dc/dc converter with integrated output stage power mos. output voltage ranges from 12.0[v] to 13.0[ v] (typ). output can shut by back gate control function. back gate control function is a function to shut th e output by placing back gate of pmos to sw7 side when in xshdn78=l (ch7 shut down) time and a timer latch. ? recommended external parts name value maker part number 12[v] 13[v] c 1 10[f] taiyo yuden emk212bj106kg r 1 220[k] 240[k] c 2 10 [f] taiyo yuden jmk212bj106kg r 2 20[k] 20[k] c 3 68[p f] taiyo yuden tmk212ch680jp l 1 22[h] sumida cdrh2d14b/ldnp-220m r 1 refer to the right table - r 2 refer to the right table - ? start-up sequence refer to [ch8] start-up sequence in page 16. vout7 fb7 max. duty pre driver vout7 sw7 pgnd7 vbat l 1 vout7 c 2 c 1 saw vout7 c 3 r 1 r 2 1.0[v] or max. duty setting external 1.0[v] r r r vout7 2 2 1 ? ? ? downloaded from: http:///
bd9631gu 16 / 25 tsz02201-0313aa400610-1-2 ? 20 16 rohm co., ltd. all rights reserved. 26.apr.2016 rev.001 www.rohm.com tsz22111 ? 15 ? 001 ch8 ? function reverse dc/dc converter. output voltage ranges from -7.5[v] to -6.0[ v] (typ). ? recommended external parts name value maker part number -7.5[v] -6[v] c 1 10[f] x 2 taiyo yuden lmk212bj106kg r 1 680[k] 560[k] c 2 10[f] taiyo yuden jmk212bj106kg r 2 120[k] 120[k] c 3 68[p f] taiyo yuden tmk063ch680jp l 1 4.7[h] sumida cdrh2d14p-4r7nc m 1 - toshiba ssm6j53fe d 1 - rohm rb060m- 30 r 1 refer to the right table - r 2 refer to the right table - ? start-up sequence cont78=l xshdn78 0[v] vbat[v] vout7 vout8 0[v] 12[v] to 13[v] on_delay 0[v] -7.5[v] to -6[v] soft 6.0[ms] vref 0[v] vbat8 0[v] 2.5[v] to 5.5[v] 2.3[v] soft soft period 6.0[ms] vbat[v] vout8 discharge by load discharge by load 70[ ] fb8 max. duty pre driver vbat8 out8 pgnd8 vout8 vbat c 2 l 1 saw vout8 c 3 r 1 r 2 vref m 1 1.0[v] (eref8) c 1 d 1 max. duty output voltage accuracy is calculated by the above formula. setting external eref8 r r r vref r r vout8 2 2 1 2 1 ? ? ?? downloaded from: http:///
bd9631gu 17 / 25 tsz02201-0313aa400610-1-2 ? 20 16 rohm co., ltd. all rights reserved. 26.apr.2016 rev.001 www.rohm.com tsz22111 ? 15 ? 001 cont78=h xshdn78 0[v] vout7 0[v] vout8 0[v] h input voltage 12[v] to 13[v] on_delay -7.5[v] to -6[v] vbat8 0[v] 2.5[v] to 5.5[v] vref 0[v] 2.5[v] soft soft start period 6.0[ms] 6.0[ms] vbat[v] soft start period discharge by load discharge by load downloaded from: http:///
bd9631gu 18 / 25 tsz02201-0313aa400610-1-2 ? 20 16 rohm co., ltd. all rights reserved. 26.apr.2016 rev.001 www.rohm.com tsz22111 ? 15 ? 001 short protection function ? ch 4 to ch8 are monitoring error amp input voltage fed backed from outpu t and enable timer circuit with falling below the detection voltage of short protection circuit. tim er latch circuit will latch power mos to off status of ch2 to ch8 if such condition remained for 1.0[ms]. ? ch 3 will be latched by over current protection. ? all channel except ch1 will be latched with any other channels t o be over-current and/or shorted. ? latch will be released either setting xshdn1=gnd, pwm/pfm=gnd or restartin g the device. ? short detection comparator will be disabled by soft start. ? the timer latch circuit doesn't operate in pfm mode. . thermal shutdown function thermal shutdown function is built in to prevent ic from heat d istraction. thermal circuit will be disabled by pfm. fb4 vout4 fb5 vout5 fb7 vout7 0.2[v] 0.2[v] 0.5[v] vref fb6 0.4[v] timer latch circuits ch3 over current protection circuits latch with the following condition:ch2 to ch8. ch2 pmos off ch3 sw3=hiz ch4 xlvs=high dsw4=hiz up side=pmos on nmos off ch5 sw5=hiz ch6 load switch off ch7 pmos off bg=sw7 side nmos off ch8 out8=high fb8 vout8 1.29[v] vout6 downloaded from: http:///
bd9631gu 19 / 25 tsz02201-0313aa400610-1-2 ? 20 16 rohm co., ltd. all rights reserved. 26.apr.2016 rev.001 www.rohm.com tsz22111 ? 15 ? 001 i/o equivalent circuits terminal no. terminal name equivalent circuit terminal no. terminal name equivalent circuit 4-g 5-e 4-f 5-g 4-e 3-f 6-c 6-e 6-f 5-f 2-e 2-f 2-c 1-b 3-e 6-d xshdn1 pwm/pfm xshdn2 xshdn34 ctl34 xshdn5 reserve xshdn6 xshdn78 cont78 fb3 fb4 vdco vout2 vcc vref 3-d 2-d 1-c 1-f 2-g, 2-h 6-g, 6-h 3-g, 3-h 7-f 6-a 4-c 3-a 4-b 8-c prev1 reserve out1 sw3 vout4 dsw4 usw4 xlvs sw5 prev6 lso6 out6 out8 terminal no. terminal name equivalent circuit terminal no. terminal name equivalent circuit 5-c 3-b 7-b 5-b 7-e 7-c 7-d 1-a 8-a 1-h 8-h fb1 fb2 fb5 fb6.1 fb7 fb8 rt a1 a8 h1 h8 8-g 8-f vout7 sw7 terminal no. terminal name equivalent circuit terminal no. terminal name equivalent circuit 6-b fb6 2-b 1-g 7-g, 7-h 7-a 2-a 8-b vbat vbat3 vbat4 vbat5 vbat6 vbat8 terminal no. terminal name equivalent circuit 4-d 5-d 1-d 1-e 4-h,5-h 5-a 4-a 8-e 8-d agnd1 agnd2 pgnd1 pgnd3 pgnd4 pgnd5 pgnd6 pgnd7 pgnd8 pgnd agnd pgnd agnd vbat agnd agnd high resisting pressure pgnd vbat (note 1) pgnd vbat agnd vbat3 vbat4 vbat5 vbat6 vbat8 (note 2) (note 1) only xlvs has upper side di (note 2) vbat5 doesnt have this di downloaded from: http:///
bd9631gu 20 / 25 tsz02201-0313aa400610-1-2 ? 20 16 rohm co., ltd. all rights reserved. 26.apr.2016 rev.001 www.rohm.com tsz22111 ? 15 ? 001 power dissipation 1.5 1 0.5 0 power dissipation pd[w] ambient temperature ta[ ] 1.4[w] 150 85 downloaded from: http:///
bd9631gu 21 / 25 tsz02201-0313aa400610-1-2 ? 20 16 rohm co., ltd. all rights reserved. 26.apr.2016 rev.001 www.rohm.com tsz22111 ? 15 ? 001 operational notes 1. reverse connection of power supply connecting the power supply in reverse polarity can damage the ic. take precautions against reverse polarity when connecting the power supply, such as mounting an extern al diode between the power supply and the ic s power supply pin s. 2. power supply lines design the pcb layout pattern to provide low impedance sup ply lines. separate the ground and supply lines of the digital and analog blocks to prevent noise in the groun d and supply lines of the digital block from affecting the a nalog block. furthermore, connect a capacitor to ground at all pow er supply pins . consider the effect of temperature and aging on the capacitance value when using electrolytic capac itors. 3. ground voltage ensure that no pins are at a voltage below that of the ground pin a t any time, even during transient condition. 4. ground wiring pattern when using both small-signal and large-current ground trace s, the two ground traces should be routed separately but connected to a single ground at the reference point of the a pplication board to avoid fluctuations in the small-si gnal ground caused by large currents. also ensure that the ground traces of external components do not cause variations on the ground voltage. the ground lines must be as short and th ick as possible to reduce line impedance. 5. thermal consideration should by any chance the power dissipation rating be exc eeded the rise in temperature of the chip may result in deterioration of the properties of the chip. in case of exceeding thi s absolute maximum rating, increase the board size and copper area to prevent exceeding the pd rating. (refer page 20 ) 6. recommended operating conditions these conditions represent a range within which the expec ted characteristics of the ic can be approximately obtained . the electrical characteristics are guaranteed under the condi tions of each parameter. 7. inrush current when power is first supplied to the ic, it is possible that the internal logic may be unstable and inrush current may flow instantaneously due to the internal powering sequence a nd delays, especially if the ic has more than one power supply. therefore, give special consideration to power coup ling capacitance, power wiring, width of ground wiring, and routing of connections. 8. operation under strong electromagnetic field operating the ic in the presence of a strong electromagnetic field m ay cause the ic to malfunction. 9. testing on application boards when testing the ic on an application board, connecting a capacitor directly to a low-impedance output pin may subject the ic to stress. always discharge capacitors compl e tely after each process or step. the ics power supply should always be turned off completely before connecting or removing it from the test setup during the inspection process. to prevent damage from static discharge, ground the ic during assembly and use similar precautions during transport and storage. 10. inter-pin short and mounting errors ensure that the direction and position are correct when mounti ng the ic on the pcb. incorrect mounting may result in damaging the ic. avoid nearby pins being shorted to each other especially to ground, power supply and output pin . inter-pin shorts could be due to many reasons such as m etal particles, water droplets (in very humid environment) and unintentional solder bridge deposited in between pins during assembly to name a few. 11. unused input pins input pins of an ic are often connected to the gate of a mos tran sistor. the gate has extremely high impedance and extremely low capacitance. if left unconnected, the electric field from the outside can easily charge it. the small ch arge acquired in this way is enough to produce a significant e ffect on the conduction through the transistor and cause unexpected operation of the ic. so unless otherwise specifie d, unused input pins should be connected to the power supply or ground line. downloaded from: http:///
bd9631gu 22 / 25 tsz02201-0313aa400610-1-2 ? 20 16 rohm co., ltd. all rights reserved. 26.apr.2016 rev.001 www.rohm.com tsz22111 ? 15 ? 001 operational notes C continued 12. regarding the input pin of the ic this monolithic ic contains p+ isolation and p substrate la yers between adjacent elements in order to keep them isolated. p-n junctions are formed at the intersection of t he p layers with the n layers of other elements, creating a parasitic diode or transistor. for example (refer to figure below): when gnd > pin a and gnd > pin b, the p-n junction operates as a paras itic diode. when gnd > pin b, the p-n junction operates as a parasitic transistor. parasitic diodes inevitably occur in the structure of the ic. the operation of parasitic diodes can result in mutual interference among circuits, operational faults, or physica l damage. therefore, conditions that cause these diodes to oper ate, such as applying a voltage lower than the gnd volt age to an input pin (and thus to the p substrate) should be avoided. figure 1. example of monolithic ic structure 13. thermal shutdown circuit(tsd) this ic has a built-in thermal shutdown circuit that prevent s heat damage to the ic. normal operation should always be within the ics power dissipation rating. if however the ratin g is exceeded for a continued period, the junction temperature (tj) will rise which will activate the tsd circuit t hat will turn off all output pins. when the tj falls below the tsd threshold, the circuits are automatically restored to normal operation. note that the tsd circuit operates in a situation that exceeds the absolute maximum ratings and therefore, under no circumstances, should the tsd circuit be used in a set desi gn or for any purpose other than protecting the ic from heat damage. 14. disturbance light in a device where a portion of silicon is exposed to lig ht such as in a wl -csp, ic characteristics may be affected due to photoelectric effect. for this reason, it is recommended to co me up with countermeasures that will prevent the chip from being exposed to light. 15. board patterning ? vbat,vbat3,vbat4,vbat5,vbat6,vbat8 must be connected to the power supply on th e board. ? vcc must be connected to vout1 output on the board. ? all pgnd and agnd must be connected to gnd on the board. ? all power supply line and gnd terminals must be wired with wide/short pattern in order to achieve the lowest impedance possible. 16. peripheral circuitry ? use low esr ceramic capacitor for bypass capacitor and place them as cl ose as possible between power supply and gnd terminals. ? place external components such as l and c by ic using wide and short pcb trace patterns. ? draw output voltage from each end of capacitor. ? causing short circuit at ch1 output will overload the external diode and may breakdown the component. prepare physical countermeasures by adding poli-switches and f uses to avoid excess current flow. 17. start- up ? keep light load condition when starting up the device. ? switch to pwm mode after ch1 has started up in pfm mode, and the vout1 output voltage is stable. ch2 to ch8 should starts after or simultaneously with pwm mode. 18. usage of this product this ic is designed to be used in dsc/dvd application. when us ing in other applications, please be sure to consult with our sales representative in advance. n n p + p n n p + p substrate gnd n p + n n p + n p p substrate gnd gnd parasitic elements pin a pin a pin b pin b b c e parasitic elements gnd parasitic elements c be transistor (npn) resistor n region close-by parasitic elements downloaded from: http:///
bd9631gu 23 / 25 tsz02201-0313aa400610-1-2 ? 20 16 rohm co., ltd. all rights reserved. 26.apr.2016 rev.001 www.rohm.com tsz22111 ? 15 ? 001 ordering information b d 9 6 3 1 g u - e 2 package name package gu: vcsp85h4 packaging and forming specification e2: embossed tape and reel marking diagram vcsp85h4 (top view) bd9631 part number marking lot number 1pin mark downloaded from: http:///
bd9631gu 24 / 25 tsz02201-0313aa400610-1-2 ? 20 16 rohm co., ltd. all rights reserved. 26.apr.2016 rev.001 www.rohm.com tsz22111 ? 15 ? 001 physical dimension, tape and reel information package name vcsp85h4(bd9631gu) lot no. 2500pcs quantity tape embossed carrier tape downloaded from: http:///
bd9631gu 25 / 25 tsz02201-0313aa400610-1-2 ? 20 16 rohm co., ltd. all rights reserved. 26.apr.2016 rev.001 www.rohm.com tsz22111 ? 15 ? 001 revision history date revision changes 26 .apr.2016 001 new relea se downloaded from: http:///
notice-p ga -e rev.003 ? 201 5 rohm co., ltd. all rights reserved. notice precaution on using rohm products 1. our products are designed and manufactured for application in ordinary electronic equipments (such as av equipment, oa equipment, telecommunication equipment, home electronic appliances, amusement equipment, etc.). if you intend to use our products in devices requiring extremely h igh reliability (such as medical equipment (note 1) , transport equipment, traffic equipment, aircraft/spacecraft, nuclear powe r controllers, fuel controllers, car equipment including car accessories, safety devices, etc.) and whose malfunction or failure may cause loss of human life, bodily injury or serious damage to property ( specific applications ), please consult with the rohm sales representative in adv ance. unless otherwise agreed in writing by rohm in advance, rohm s hall not be in any way responsible or liable for any damages, expenses or losses incurred by you or third parties arisin g from the use of any rohm s products for specific applications. (note1) medical equipment classification of the specific appl ications japan usa eu china class class class b class class ? class 2. rohm designs and manufactures its products subject to stri ct quality control system. however, semiconductor products can fail or malfunction at a certain rate. please be sure to implement, at your own responsibilities, adequ ate safety measures including but not limited to fail-safe desig n against the physical injury, damage to any property, whic h a failure or malfunction of our products may cause. the followi ng are examples of safety measures: [a] installation of protection circuits or other protective devic es to improve system safety [b] installation of redundant circuits to reduce the impact of single or multiple circuit failure 3. our products are designed and manufactured for use under standard conditions and not under any special or extraordinary environments or conditions, as exemplified be low. accordingly, rohm shall not be in any way responsible or liable for any damages, expenses or losses arising from th e use of any rohms products under any special or extraordinary environments or conditions. if yo u intend to use our products under any special or extraordinary environments or conditions (as exemplified belo w), your independent verification and confirmation of product performance, reliability, etc, prior to use, must be n ecessary: [a] use of our products in any types of liquid, including water, oils, chemicals, and organi c solvents [b] use of our products outdoors or in places where the products are exposed to direct sunlight or dust [c] use of our products in places where the products are e xposed to sea wind or corrosive gases, including cl 2 , h 2 s, nh 3 , so 2 , and no 2 [d] use of our products in places where the products are exposed t o static electricity or electromagnetic waves [e] use of our products in proximity to heat-producing component s, plastic cords, or other flammable items [f] sealing or coating our products with resin or other coating materials [g] use of our products without cleaning residue of flux (even if you use no-clean type fluxes, cleaning residue of flux is recommended); or washing our products by using water or water-soluble cleaning agents for cleaning residue after soldering [h] use of the products in places subject to dew condensation 4. the products are not subject to radiation-proof design. 5. please verify and confirm characteristics of the final or mou nted products in using the products. 6 . in particular, if a transient load (a large amount of load appl ied in a short period of time, such as pulse. is applied, confirmation of performance characteristics after on-board mou nting is strongly recommended. avoid applying power exceeding normal rated power; exceeding the power rating u nder steady-state loading condition may negatively affec t product performance and reliability. 7 . de -rate power dissipation depending on ambient temperature. wh en used in sealed area, confirm that it is the use in the range that does not exceed the maximum junction temperature. 8 . confirm that operation temperature is within the specified range desc ribed in the product specification. 9 . rohm shall not be in any way responsible or liable for failure induced under deviant condition from what is defined in this document. precaution for mounting / circuit board design 1. when a highly active halogenous (chlorine, bromine, etc .) flux is used, the residue of flux may negatively affect prod uct performance and reliability. 2. in principle, the reflow soldering method must be used on a surface-mount products, the flow soldering method mus t be used on a through hole mount products. i f the flow soldering method is preferred on a surface-mount p roducts , please consult with the rohm representative in advance. for details, please refer to rohm mounting specification downloaded from: http:///
notice-p ga -e rev.003 ? 201 5 rohm co., ltd. all rights reserved. precautions regarding application examples and external circuits 1. if change is made to the constant of an external circuit, p lease allow a sufficient margin considering variations o f the characteristics of the products and external components, inc luding transient characteristics, as well as static characteristics. 2. you agree that application notes, reference designs, and a ssociated data and information contained in this docum ent are presented only as guidance for products use. therefore, i n case you use such information, you are solely responsible for it and you must exercise your own independ ent verification and judgment in the use of such information contained in this document. rohm shall not be in any way respon sible or liable for any damages, expenses or losses incurred by you or third parties arising from the use of such informat ion. precaution for electrostatic this product is electrostatic sensitive product, which may be damaged due to electrostatic discharge. please take pr oper caution in your manufacturing process and storage so t hat voltage exceeding the products maximum rating will not be applied to products. please take special care under dry co ndition (e.g. grounding of human body / equipment / solder iro n, isolation from charged objects, setting of ionizer, friction prevention and temperature / humidity control). precaution for storage / transportation 1. product performance and soldered connections may deteriorate i f the products are stored in the places where: [a] the products are exposed to sea winds or corrosive gases, in cluding cl2, h2s, nh3, so2, and no2 [b] the temperature or humidity exceeds those recommended by rohm [c] the products are exposed to direct sunshine or condensation [d] the products are exposed to high electrostatic 2. even under rohm recommended storage condition, solderabil ity of products out of recommended storage time period may be degraded. it is strongly recommended to confirm so lderability before using products of which storage time is exceeding the recommended storage time period. 3. store / transport cartons in the correct direction, which is indi cated on a carton with a symbol. otherwise bent leads may occur due to excessive stress applied when dropping of a c arton. 4. use products within the specified time after opening a humi dity barrier bag. baking is required before using products of which storage time is exceeding the recommended storage tim e period. precaution for product label a two-dimensional barcode printed on rohm products label is f or rohm s internal use only. precaution for disposition when disposing products please dispose them properly usi ng an authorized industry waste company. precaution for foreign exchange and foreign trade act since concerned goods might be fallen under listed items of export control prescribed by foreign exchange and foreign trade act, please consult with rohm in case of export. precaution regarding intellectual property rights 1. all information and data including but not limited to appl ication example contained in this document is for reference only. rohm does not warrant that foregoing information or data will not infringe any intellectual property rights or any other rights of any third party regarding such information or data. 2. rohm shall not have any obligations where the claims, a ctions or demands arising from the combination of the products with other articles such as components, circuits, systems or ex ternal equipment (including software). 3. no license, expressly or implied, is granted hereby under any inte llectual property rights or other rights of rohm or any third parties with respect to the products or the information contai ned in this document. provided, however, that rohm will not assert it s intellectual property rights or other rights against you or you r customers to the extent necessary to manufacture or sell products containing the products, subject to th e terms and conditions herein. other precaution 1. this document may not be reprinted or reproduced, in whole or in part, without prior written consent of rohm. 2. the products may not be disassembled, converted, modified, reproduced or otherwise changed without prior written consent of rohm. 3. in no event shall you use in any way whatsoever the pr oducts and the related technical information contained in the products or this document for any military purposes, includi ng but not limited to, the development of mass-destruction weapons. 4. the proper names of companies or products described in this document are trademarks or registered trademarks of rohm, its affiliated companies or third parties. downloaded from: http:///
datasheet datasheet notice ? we rev.001 ? 2015 rohm co., ltd. all rights reserved. general precaution 1. before you use our pro ducts, you are requested to care fully read this document and fully understand its contents. rohm shall n ot be in an y way responsible or liabl e for fa ilure, malfunction or acci dent arising from the use of a ny rohms products against warning, caution or note contained in this document. 2. all information contained in this docume nt is current as of the issuing date and subj ec t to change without any prior notice. before purchasing or using rohms products, please confirm the la test information with a rohm sale s representative. 3. the information contained in this doc ument is provi ded on an as is basis and rohm does not warrant that all information contained in this document is accurate an d/or error-free. rohm shall not be in an y way responsible or liable for an y damages, expenses or losses incurred b y you or third parties resulting from inaccur acy or errors of or concerning such information. downloaded from: http:///

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