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ha16666p/fp 600khz pwm controlled switching regulator description the ha16666p/fp is a voltage mode pwm (pulse width modulation) control ic for switching regulator control. it can drive a power mos fet efficiently on 600 khz. its stanby current is 0.3 ma (max), and it is used as the primary control power supply. functions +5 v reference voltage circuit triangular waveform oscillator pwm comparator output circuit (totem pole output) overcurrent protection circuit (with one-pulselatch mode) undervoltage lockout protectoin circuit soft start and quick shutdown function remote control function comparator with internal 1.3 v reference voltage features high-speed switching; tr = 80 ns (15 v amplitude) tf = 40 ns (15 v amplitude) low power dissipation; 0.3 ma max in standby state 12 ma max in operation state (v in = 15 v) dual-slope highly accurate dead-band duty setup circuit; setup accuracy du = ?% (max) wide output pulse width control range; 0 to 75% www.datasheet.co.kr datasheet pdf - http://www..net/
ha16666p/fp 2 undervoltage lockout protection; v in high threshold voltage 10 v typ v in low threshold voltage 8 v typ two input threshold voltage for overcurrent protection cmparator; fixed voltage (1.3 v) variable voltage double pulse output protection by overcurrent protection circuit with one-pulse latch mode wide input supply voltage range; v cc = 11 to 40 v ordering information type package ha16666p dp-16 ha16666FP fp-16da www.datasheet.co.kr datasheet pdf - http://www..net/
ha16666p/fp 3 pin arrangement 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 st r t1 r t2 n.c e/i out n.c osc out gnd c t n.inv inv cs vref v rm + in (top view) pin functions pin no. symbol descreption 1 e/i error input 2 st soft start 3c t timing capacitance 4r t1 timing resistor (rise section) 5r t2 timing resistor (fall section) 6 osc out triangular waveform oscillator 7 gnd ground 8 n.c no connect 9 n.c no connect 10 out pulse output 11 rm remote control 12 v in power supply voltage 13 vref reference voltage (5 v) output 14 cs comparator input (? with reference voltage (1.3 v) 15 inv comparator input (? for overcurrent protection 16 n.inv + comparator input (+) for overcurrent protection www.datasheet.co.kr datasheet pdf - http://www..net/
ha16666p/fp 4 block diagram e/i st c t r t1 r t2 gnd osc out n.c 1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 inv n.inv cs vref v rm out n.c pwm comparator comparator reference voltage undervoltage lockout protection triangular waveform oscillator output driver s/r flip-flop + + + + s r 1.3 v 5 v + in over- current detector www.datasheet.co.kr datasheet pdf - http://www..net/
ha16666p/fp 5 absolute maximum ratings (ta = 25?) rating item symbol ha16666p ha16666FP unit power supply voltage v in +40 +40 v output current dc i o(dc) 100 100 ma (push-pull) peak i o(peak) 500*1 500* 1 ma error input v ei vref vref v osc input voltage v osc v in ?3v be v in ?3v be v cs input voltage v cs vref vref v rm input voltage v rm v in v in v rt2 input current i r2 11ma rt1 input current i r1 11ma power dissipation p t 680* 2 680* 3 mw operation temperature topr ?0 to +85 ?0 to +85 c storage temperature tstg ?5 to +125 ?5 to +125 c notes: 1. value at 300 ns of switiching time 2. value at ta 45 c. if ta > 45 c, derated by 8.3 mw/ c 3. value under the condition of 40 mm 40 mm 0.8 t ceramics board epoxy board electrical characteristics (v in = 15 v, ta = 25?, fosc = 300 khz) item symbol min typ max unit test condition voltage output voltage vref 4.75 5.00 5.25 v no load reference line regulation line 50 100 mv v in = 11 to 40 v load regulation load 9 20 mv i o = 0 to 10 ma temperature stability v rtc +60 ppm/ c no load short circuit current i os 10 35 ma vref = 0 v triangular maximum frequency f max 600 khz c t = 150 pf waveform minimum frequency f min 1 khz c t = 0.15 m f oscillator frequency accuracy f der ?0 0 +10 % voltage stability f t 1 % 11 v v in 40 v temperature coefficient of frequency f i 2 % ?0 c ta +85 c www.datasheet.co.kr datasheet pdf - http://www..net/
ha16666p/fp 6 electrical characteristics (v in = 15 v, ta = 25?, fosc = 300 khz) (cont) item symbol min typ max unit test condition pwm maximum duty cycle du 75 % comparator input bias current i b ? m a pin 1 low-level threshold voltage v oscl 1.5 v pin 1 high-level threshold voltage v osch 2.5 v pin 1 dead-band duty accuracy d du 1 3% dead-band duty input voltage stability d t 1 % 11 v v in 40 v temperature coefficient of dead-band duty d ut 1 % ?0 c ta +85 c overcurrent input bias current i b1 ? m a pin 15, 16 detector common-mode input voltage range v cm1 0 to v in ?3 v pin 15, 16 comparator input bias current i b2 ?13 m av cs = 5 v input threshold voltage vth 1.2 1.3 1.4 v input voltage range v cs 0 vref v remote controller input current to remote control pin i rm 1.5 ma v rm = 5 v input high-voltage v inh 1v input low-voltage v inl 0.4 v undervoltage lockout high-level threshold voltage v thh 91011v protector low-level threshold voltage v thl 789v hysteresis width hys 1.5 2.0 2.8 v output driver output low-level v l 0.7 1.4 v i o (sink) = 10 ma output high-level v h v in ?2.2 v i o (source) = 10 ma output rise time t r 80 150 ns note 1 output fall time t f 40 100 ns note 1 total current standby current i cs 0.15 0.3 ma note 1 operation current i cl 8 12 ma note 1 note: 1. measurement conditions of i cs , i cl , t r , t f are defined as following diagram. www.datasheet.co.kr datasheet pdf - http://www..net/
ha16666p/fp 7 330 pf 9.1 k vref v ei osc o/p r c r gnd out 2sd667 15 2sb647 2,200 pf 9.1 k in t2 t1 w w w t a h fe of 2sd667 is defined as 60 min and 200 max. waveform timing v v remote control input inv -n.inv overcurrent detection signal triangular waveform output e/i dead-band area in thh + overcurrent detection threshold v thl www.datasheet.co.kr datasheet pdf - http://www..net/
ha16666p/fp 8 characteristic curves 5.10 5.00 4.90 4.80 ?0 0 50 100 reference output voltage vref (v) vref output voltage vs. temperature reference voltage vs. input voltage reference output voltage vref (v) soft start time vs. soft start capacitance pulse duty cycle vs. error input voltage/set voltage in pwm comparator soft start capacitor capacitance cs ( m f) 100 80 60 40 20 0 1.0 0.8 0.6 0.4 0.2 soft start time (sec) 100 0.2 90 80 70 60 50 40 30 20 10 0 0.3 0.4 0.5 0.6 error input voltage v e.i / ref voltage pulse duty cycle (%) vref ha16666 st cs 51 k ta = 25 c 6.0 5.0 4.0 3.0 2.0 1.0 010203040 input voltage v (v) in ta = 25 c v = 15 v f 300 khz ta = 25 c @ in d f/f vs. temperature dead band duty vs. temperature +10 ?0 0 200 20406080 f/f (%) ambient temperature ta ( c) ambient temperature ta ( c) ambient temperature ta ( c) d c = 330 pf r = r = 9.1 k w f 300 khz @ t t1 t2 ?0 0 20 40 60 80 70 60 50 40 dead-band duty (%) c = 330 pf r = r = 9.1 k w f 300 khz @ t t1 t2 www.datasheet.co.kr datasheet pdf - http://www..net/
ha16666p/fp 9 v in bias point 10 5 01020 83040 v in (v) i (ma) in back-up supply voltage quick shutdown area under voltage lockout soft start area 1/r b ha16666 c = 330 pf r = r = 9.1 k t t1 v b r b i in d667 b647 2200 pf 1 f + w 15 w t2 12 10 7 www.datasheet.co.kr datasheet pdf - http://www..net/
ha16666p/fp 10 800 k 100 k 10 k 1 k 51020304050 0.01 f 3300 pf 1000 pf 430 pf 180 pf 120 pf c m t frequency f (hz) 0.033 f m 0.15 f m r = r (k ) t1 t2 w ha16666 summary formula of the oscillation ferquency formula for the oscillation frequency frequency vs. r t1 , r t2 dependence the following table show empirical values of a and b for different values of c t . c t 180pf 330pf 1000pf 0.01 m f 0.15 m f a - 0.50 - 0.61 - 0.75 - 0.86 - 0.86 b 7.58 7.86 8.09 7.57 6.45 ha16666 vref r t2 r t1 c t r t1 c t r t2 osc out log (f) ? a log (r t1 ) + b (= r t2 ) www.datasheet.co.kr datasheet pdf - http://www..net/
ha16666p/fp 11 system connection example ha16666p/fp 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 n.inv + inv e cs vref v in rm out n.c n.c gnd osc o/p st e/i r t2 r t1 c t 0.047 c 4 r 50 k 3 c 330 p 5 r 9.1 k 5 r 9.1 k 6 r 10 k 4 c 680 1 + rfi filter ac input r 220 k in c 0.01 2 c 10 3 + d667 b647 d 2 r 10/1 w 2 r 0.2 12 k552 r 330 13 c 1,000 p 8 r 1 k 14 d d 3 4 + c 6 r 1 k 8 c 7 + r 9 r 1 k r 1 k 10 11 shunt regulator ha17431p photo coupler output unit r: c: f w over current protection; resistance sensing method 16 www.datasheet.co.kr datasheet pdf - http://www..net/
ha16666p/fp 12 ha16666p/fp 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 n.inv + inv cs vref v in rm out n.c n.c gnd osc o/p st e/i r t2 r t1 c t 0.047 c 4 r 50 k 3 c 330 p 5 r 9.1 k 5 r 9.1 k 6 r 10 k 4 c 680 1 + rfi filter ac input r 220 k in c 2 0.01 c 10 3 + d667 b647 d 2 r 10/1 w 2 k552 d d 3 4 + c 6 r 1 k 8 c 7 + r 9 r 1 k r 1 k 10 11 shunt regulator ha17431p photo coupler output unit r: c: f w c.t r 11 r 12 r 470 14 d 6 c 1,000 p 8 c 470 p 9 r 3.3 k 13 over current protection; current transformer method www.datasheet.co.kr datasheet pdf - http://www..net/
ha16666p/fp 13 ha16666p/fp 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 n.inv + inv cs vref v in rm out n.c n.c gnd osc o/p st e/i r t2 r t1 c t 0.047 c 4 r 50 k 3 c 330 p 5 r 9.1 k 5 r 9.1 k 6 r 10 k 4 c 680 1 + rfi filter ac input r 220 k in c 0.01 2 c 10 3 + d667 b647 d 2 r 10/1 w 2 k552 d d 3 4 + c 6 r 1 k 8 c 7 + r 9 r 1 k r 1 k 10 11 shunt regulator ha17431p photo coupler output unit r: c: f w c.t r 11 r 12 r 470 14 d 6 c 1,000 p 8 c 470 p 9 r 3.3 k 13 over current protection; current transformer method www.datasheet.co.kr datasheet pdf - http://www..net/
ha16666p/fp 14 package dimensions hitachi code jedec eiaj mass (reference value) dp-16 conforms conforms 1.07 g unit: mm 6.30 19.20 16 9 8 1 1.3 20.00 max 7.40 max 7.62 0.25 + 0.13 ?0.05 2.54 0.25 0.48 0.10 0.51 min 2.54 min 5.06 max 0 ?15 1.11 max hitachi code jedec eiaj mass (reference value) fp-16da conforms 0.24 g unit: mm *dimension including the plating thickness base material dimension *0.22 0.05 *0.42 0.08 0.12 0.15 m 2.20 max 5.5 10.06 0.80 max 16 9 1 8 10.5 max + 0.20 ?0.30 7.80 0.70 0.20 0 ?8 0.10 0.10 1.15 1.27 0.40 0.06 0.20 0.04 www.datasheet.co.kr datasheet pdf - http://www..net/
ha16666p/fp 15 cautions 1. hitachi neither warrants nor grants licenses of any rights of hitachi? or any third party? patent, copyright, trademark, or other intellectual property rights for information contained in this document. hitachi bears no responsibility for problems that may arise with third party? rights, including intellectual property rights, in connection with use of the information contained in this document. 2. products and product specifications may be subject to change without notice. confirm that you have received the latest product standards or specifications before final design, purchase or use. 3. hitachi makes every attempt to ensure that its products are of high quality and reliability. however, contact hitachi? sales office before using the product in an application that demands especially high quality and reliability or where its failure or malfunction may directly threaten human life or cause risk of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation, traffic, safety equipment or medical equipment for life support. 4. design your application so that the product is used within the ranges guaranteed by hitachi particularly for maximum rating, operating supply voltage range, heat radiation characteristics, installation conditions and other characteristics. hitachi bears no responsibility for failure or damage when used beyond the guaranteed ranges. even within the guaranteed ranges, consider normally foreseeable failure rates or failure modes in semiconductor devices and employ systemic measures such as fail- safes, so that the equipment incorporating hitachi product does not cause bodily injury, fire or other consequential damage due to operation of the hitachi product. 5. this product is not designed to be radiation resistant. 6. no one is permitted to reproduce or duplicate, in any form, the whole or part of this document without written approval from hitachi. 7. contact hitachi? sales office for any questions regarding this document or hitachi semiconductor products. hitachi, ltd. semiconductor & integrated circuits. nippon bldg., 2-6-2, ohte-machi, chiyoda-ku, tokyo 100-0004, japan tel: tokyo (03) 3270-2111 fax: (03) 3270-5109 copyright ? hitachi, ltd., 1998. all rights reserved. printed in japan. hitachi asia pte. ltd. 16 collyer quay #20-00 hitachi tower singapore 049318 tel: 535-2100 fax: 535-1533 url northamerica : http:semiconductor.hitachi.com/ europe : http://www.hitachi-eu.com/hel/ecg asia (singapore) : http://www.has.hitachi.com.sg/grp3/sicd/index.htm asia (taiwan) : http://www.hitachi.com.tw/e/product/sicd_frame.htm asia (hongkong) : http://www.hitachi.com.hk/eng/bo/grp3/index.htm japan : http://www.hitachi.co.jp/sicd/indx.htm hitachi asia ltd. taipei branch office 3f, hung kuo building. no.167, tun-hwa north road, taipei (105) tel: <886> (2) 2718-3666 fax: <886> (2) 2718-8180 hitachi asia (hong kong) ltd. group iii (electronic components) 7/f., north tower, world finance centre, harbour city, canton road, tsim sha tsui, kowloon, hong kong tel: <852> (2) 735 9218 fax: <852> (2) 730 0281 telex: 40815 hitec hx hitachi europe ltd. electronic components group. whitebrook park lower cookham road maidenhead berkshire sl6 8ya, united kingdom tel: <44> (1628) 585000 fax: <44> (1628) 778322 hitachi europe gmbh electronic components group dornacher stra b e 3 d-85622 feldkirchen, munich germany tel: <49> (89) 9 9180-0 fax: <49> (89) 9 29 30 00 hitachi semiconductor (america) inc. 179 east tasman drive, san jose,ca 95134 tel: <1> (408) 433-1990 fax: <1>(408) 433-0223 for further information write to: www.datasheet.co.kr datasheet pdf - http://www..net/

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