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bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com 1 non-isolated dc/dc converters 6.0 vdc - 13.2 vdc input, 0.5 vdc - 1.6 vdc output, vrm11.1 compatible aug. 13, 2010 bel power inc., a subsid iary of bel fuse inc. features ? non-isolated ? input under-voltage lockout ? high efficiency ? ocp/scp ? fixed frequency ? 2-wire remote sense ? wide input ? 8 bit vid digital voltage programming ? remote on/off ? class 1, category 2, non-isolated dc/dc converter (refer to ipc-9592) ? ul60950-1 recognized (ul/cul) (pending) applications ? networking ? computers and peripherals ? telecommunications description the VRP4-CXE1A0 series are non-isolated step down dc/dc converters, and designed to be compatible with intel vrm11.1 requirements. standard features include current monitor, remote on/off, over current protection, remote sense, 8 bit vid digital voltage programming and a power good signal. this product also makes use of adaptive positioning to improve transient response performance. these products may be used almost anywhere low-voltage silicon is being employed and a nominal 12 vdc source is available. typical applications include file servers, work stations and other computing applications. part selection output voltage input voltage max. output current max. output power typical efficiency model number active high 0.5 vdc - 1.6 vdc 6.0 vdc - 13.2 vdc 100 a 160 w 83% vrp4-c0e1a0 0.5 vdc - 1.6 vdc 6.0 vdc - 13.2 vdc 110 a 176 w 81% vrp4-c1e1a0 0.5 vdc - 1.6 vdc 6.0 vdc - 13.2 vdc 120 a 192 w 82% vrp4-c2e1a0 notes: add ?g? suffix at the end of the model number to indicate tray packaging. part number explanation v r p4 ? cx e 1a 0 1 2 3 4 5 6 7 1---vertical mount 2---rohs 6, change ?r? to ?7? means rohs 5 3---series name, sip 4---series code 5--- wide input range (6.0-13.2v) 6---wide output range (0.5-1.6v) 7---suffix, active high v rp4-cxe1a0 rohs com p liant rev.f
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com 2 non-isolated dc/dc converters 6.0 vdc - 13.2 vdc input, 0.5 vdc - 1.6 vdc output, vrm11.1 compatible aug. 13, 2010 bel power inc., a subsid iary of bel fuse inc. absolute maximum ratings parameter min typ max unit notes continuous non-operating input voltage -0.3 - 15 v remote on/off -0.3 - 5.3 v ambient temperature 0 - 70 c storage temperature -55 - 125 c note: ratings used beyond the maximum ratings may caus e a reliability degradation of the converter or may permanently damage the device. input specifications parameter min typ max unit notes operating input voltage 6.0 12 13.2 v input current (full load) - - 35 a input current (no load) - - 700 ma input current (no load, psi# mode) - - 250 ma remote off input current - 50 70 ma input reflected ripple current (rms) - 50 100 ma input reflected ripple current (pk- pk) - 150 200 ma with simulated source impedance of 100nh, 5hz to 20mhz. use 2 * 470uf/16v oscon capacitor. i 2 t inrush current transient - - 1 a 2 s turn-on voltage threshold 5.8 6.5 7.5 v turn-off voltage threshold 5.1 5.6 6.0 v note: all specifications are typical at 25 c unless otherwise stated. output specifications parameter min typ max unit notes output voltage set point 1.07 1.085 1.1 v vid=0x52 adaptive positioning - 0.8 - mohm droop impedance line regulation - 5 10 mv regulation over temperature (0deg.c-70deg.c) - 5 10 mv ripple and noise (pk-pk) - - 25 mv ripple and noise (rms) - - 10 mv 20mhz bw ripple and noise (pk-pk) under worst case - - 30 mv over all operati ng input voltage, load and temperature conditions. 0 - 70 a thermal design current output current range vrp4-c0e1a0 - - 100 a peak current rating 0 - 90 a thermal design current output current range vrp4-c1e1a0 - - 110 a peak current rating bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com 3 non-isolated dc/dc converters 6.0 vdc - 13.2 vdc input, 0.5 vdc - 1.6 vdc output, vrm11.1 compatible aug. 13, 2010 bel power inc., a subsid iary of bel fuse inc. output specifications (continued) parameter min typ max unit notes 0 - 100 a thermal design current output current range vrp4-c2e1a0 - - 120 a peak current rating 105 - 125 a vrp4-c0e1a0 115 - 135 a vrp4-c1e1a0 output dc current limit 125 - 155 a vrp4-c2e1a0 short circuit surge transient - - 5 a 2 s turn on time - 2.5 5 ms overshoot at turn on - - 1 % output capacitance 1 (vrp4-c0e1a0) - 4386 - uf measured with 6*470uf/5mohm esr sp-cap, and 37*22uf/0805 + 16*47uf/1206 ceramic capacitors on output. output capacitance 1 (vrp4-c2e1a0) - 4148 - uf measured with 6*470uf/5mohm esr sp-cap, and 2*1uf/0402 + 2*10uf/0603 + 33*22uf/0805 + 5*22uf/1206 + 10*47uf/1206 ceramic capacitors on output. transient response overshoot - - 50 mv v50%~100% of max load settling time - - 25 us overshoot - - 50 mv v100%~50% of max load settling time - - 25 us di/dt=300a/us, vin=12vdc, ta=25c notes: 1. consult factory regarding external capacitance outside of this range. 2. all specifications are typical at nominal input, full load at 25c unless otherwise stated. general specifications parameter min typ max unit notes 81 83 - % vid=0x52, vin=12v, iout=70a, psi#=1 79 81 - % vid=0x52, vin=12v, iout=100a, psi#=1 efficiency 80 82 - % vid=0x52, vin=12v, iout=20a, psi#=0 switching frequency - 400 - khz over temperature alert 100 - 110 c over voltage protection - vo,set + 0.175 - v latch off weight - 42 - g fit 500 - calculated per bell core sr-332 (io=80%load, t a = 25 c, fit=10 9 /mtbf) dimensions inches (l w h) millimeters (l w h) 2.40 x 1.1 x 0.8 60.96 x 27.94 x 20.2 - note : all specifications are typical at 25 c unless otherwise stated. bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com 4 non-isolated dc/dc converters 6.0 vdc - 13.2 vdc input, 0.5 vdc - 1.6 vdc output, vrm11.1 compatible aug. 13, 2010 bel power inc., a subsid iary of bel fuse inc. remote on/off parameter min typ max unit notes signal low (unit off) -0.3 - 0.4 v signal high (unit on) active high 0.9 - 5.3 v the remote on/off pin open, unit off. current sink 0 - 1 ma efficiency data 65.00% 70.00% 75.00% 80.00% 85.00% 90.00% 12.00 30.00 60.00 90.00 120.00 output current(a) efficiency vid=0x82 vid=0x52 vid=0x02 efficiency of vrp4-c2e1a0, vin=12v, psi#=1 65.00% 70.00% 75.00% 80.00% 85.00% 90.00% 2.00 5.00 10.00 15.00 20.00 output current(a) efficiency vid=0x82 vid=0x52 vid=0x02 efficiency of vrp4-c2e1a0, vin=12v, psi#=0 bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com 5 non-isolated dc/dc converters 6.0 vdc - 13.2 vdc input, 0.5 vdc - 1.6 vdc output, vrm11.1 compatible aug. 13, 2010 bel power inc., a subsid iary of bel fuse inc. thermal derating curves temperature reference points vrp4-c0e1a0 vin=12v, vid=0x52 vrp4-c2e1a0 vin=12v, vid=0x52 vrp4-c0e1a0 vin=12v, vid=0x02 vrp4-c2e1a0 vin=12v, vid=0x02 bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com 6 non-isolated dc/dc converters 6.0 vdc - 13.2 vdc input, 0.5 vdc - 1.6 vdc output, vrm11.1 compatible aug. 13, 2010 bel power inc., a subsid iary of bel fuse inc. ripple and noise waveforms vrp4-c0e1a0 vrp4-c2e1a0 12vdc input, vid=0x52, iout=70a, psi#=1 12vdc input, vid=0x52, iout=100a, psi#=1 vrp4-c0e1a0 vrp4-c2e1a0 12vdc input, vid=0x52, iout=20a, psi#=0 12vdc input, vid=0x52, iout=20a, psi#=0 bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com 7 non-isolated dc/dc converters 6.0 vdc - 13.2 vdc input, 0.5 vdc - 1.6 vdc output, vrm11.1 compatible aug. 13, 2010 bel power inc., a subsid iary of bel fuse inc. transient response waveforms vrp4-c0e1a0 vrp4-c0e1a0 vid=0x52 25a-75a load transients at vin=12v vid=0x52 75a-25a load transients at vin=12v startup & shutdown rise time startup time vid=0x52, vin=12v, iout=70a vid=0x52, vin=12v, iout=0a ch 1: vout ch 3: outen bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com 8 non-isolated dc/dc converters 6.0 vdc - 13.2 vdc input, 0.5 vdc - 1.6 vdc output, vrm11.1 compatible aug. 13, 2010 bel power inc., a subsid iary of bel fuse inc. remote sense this module has remote sense compensation feature. it can minimize the effects of resistance between module?s output and load in system layout and facilitates accurate voltage regulation at load terminals or other selected point. 1. the remote sense lines carries very little current and hence do not require a large cross-sectional area. 2. this module compensates for a maximum drop of 10% of the nominal output voltage. 3. when using remote sense compensation, all the resistance, parasitic inductance and capacitance of the system are incorporated within the feedback loop of this module. it can make an effect on the module's compensation, affecting the stability and dynamic response. a 0.1uf ceramic capacitor can be connected at the point of load to de-couple noise on the sense wires. 4. recommend the connection of remote sense compensation as below figure. there are a resistor rs+ (5.11 kohm) from vo+ to sense+ and a resistor rs- (5.11 kohm)) from vo- to sense- inside of this module. 5. if not using remote sense compensation, please connec t sense directly to output at module's pin, that is, connect sense+ to vo+ and sense- to vo- at module's pin, the shorter the better. see below figure. sense+ sense- rs- vo- vo+ rs+ load sense+ sense- rs- vo- vo+ rs + load bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com 9 non-isolated dc/dc converters 6.0 vdc - 13.2 vdc input, 0.5 vdc - 1.6 vdc output, vrm11.1 compatible aug. 13, 2010 bel power inc., a subsid iary of bel fuse inc. over current protection to provide protection in a fault output overload condition, the module is equipped with internal current-limiting circuitry and can endure current limiting for a few mili-seconds. if the over current condition persists beyond a few milliseconds, the module will shut down into hiccup mo de. the module operates normally when the output current goes into specified range. over voltage protection the output over-voltage protection consists of circuitry that monitors the voltage on the output terminals. if the voltage on the output terminals exceeds the over vo ltage protection threshold the module will shutdown into latch off mode. the over-voltage latch can be reset by either cycling the input power or toggling the on/off signal for one second at least. input under-voltage lockout input voltage ( v) i n put c u r r e n t voltage falling voltage rising v1 v2 under- voltage lockout v1=6.0v v2=7.5v bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com 10 non-isolated dc/dc converters 6.0 vdc - 13.2 vdc input, 0.5 vdc - 1.6 vdc output, vrm11.1 compatible aug. 13, 2010 bel power inc., a subsid iary of bel fuse inc. power good 1. this module has a power good indicator output. power good pin used positive logic and is open collector. 2. power good pin can sink 10ma. 3. the maximum voltage pulled up externally on power good pin should not exceed 5v. 4. when the output reaches the vid setting, the power good pin will be pulled high with the fixed delay of 85us. typical start-up using remote on /off(vin=12.0v, vid=0x32, io=0a) ch1: vout ch2: outen ch3: vr_ready imon diagram imon is the output pin of sensed, thermally compensated, average current. the voltage at imon pin is proportional to the load current and the resistor value (rimon), and internally clamped to 1.11 vdc plus the remote ground potential difference. if the clamped voltage (1.11 vd c) is triggered, it will initiate the over-current shutdown. during the dynamic vid, the ocp function of this pin is disabling to avoid falsely triggering. bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com 11 non-isolated dc/dc converters 6.0 vdc - 13.2 vdc input, 0.5 vdc - 1.6 vdc output, vrm11.1 compatible aug. 13, 2010 bel power inc., a subsid iary of bel fuse inc. mechanical outline note: this module is recommended and compatible with pb-free wave soldering and must be soldered using a peak solder temperature of no more than 26 0 oc for less than 5 seconds. note: 1) all pins: material - copper alloy; finish ? 3 micro inches minimum gold over 50 micro inches minimum nickel plate. 2) undimensioned components are shown for visual reference only. 3) all dimensions in inches (mm); tolerances: x.xx +/-0.0 2 in. (x.x +/-0.5mm) x.xxx +/-0.010 in. (x.xx +/-0.25mm). pin function pin function pin function pin function 1 vid0 9 vsense+ 17 vout 25 gnd 2 vid1 10 vesnse- 18 vout 25 vout 3 vid2 11 imon 19 gnd 27 vout 4 vid3 12 psi# 20 gnd 28 gnd 5 vid4 13 outen 21 vout 29 gnd 6 vid5 14 vr_ready 22 vout 30 vin 7 vid6 15 vr_hot 23 vout 31 vin 8 vid7 16 gnd 24 gnd bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com 12 non-isolated dc/dc converters 6.0 vdc - 13.2 vdc input, 0.5 vdc - 1.6 vdc output, vrm11.1 compatible aug. 13, 2010 bel power inc., a subsid iary of bel fuse inc. signal definitions vid0, vid1, vid2, vid3, vid4, vid5, vid6, vid7 logic level inputs used to set the output voltage refer to vid table. connect vid0 thru vid7 pins to open-drain outputs with external pull-up resistors or to active-pull-up outputs. valid logic low is -0.3v to 0.4v, valid logic high level is 0.8v to 5.3v. vsense+, vsense- remote voltage sense lines. connect these at the point of load, to vout and gnd respectively. imon the output pin of sensed, thermally compensated average current. the voltage at imon pin is proportional to the load current, and internally clamped to 1.11v plus the remote ground potential difference. if the clamped voltage (1.11v ) is triggered, it will initiate the overcurrent shutdown. during the dynamic vid, the ocp function of this pin is disable to avoid falsely triggering. psi# a low input signal indicates the low power mode operation of the processor. the controller drops the number of active phases to single phase operation. a high input signal pulls the controller back to normal operation. outen logic level input used to enable the converter when high. valid logic low is -0.3v to 0.4v, valid logic high level is 0.9v to 5.3v. vr_ready vr_ready indicates that soft-start has completed and the output voltage is within the regulated range around vid setting. it is an open-drain logic output. when ocp or ovp occurs, vr_ready will be pulled to low. it will also be pulled low if the output voltage is below the undervoltage threshold. vr_hot vr_hot is used as an indication of high vr temperature. it will be pulled high if the measured vr temperature is less than a certain level, and pulled low when the measured vr temperature reaches a certain level. vout output voltage available to the load. gnd common return for both input and output vin input power to the converter bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com 13 non-isolated dc/dc converters 6.0 vdc - 13.2 vdc input, 0.5 vdc - 1.6 vdc output, vrm11.1 compatible aug. 13, 2010 bel power inc., a subsid iary of bel fuse inc. vid codes vrm11.1 vid codes hex vout hex vout hex vout hex vout (vid7 - vid0) (vdc) (vid7 - vid0) (vdc) (vid7 - vid0) (vdc) (vid7 - vid0) (vdc) 0 0 off 3 0 1.31250 6 0 1.01250 9 0 0.71250 0 1 off 3 1 1.30625 6 1 1.00625 9 1 0.70625 0 2 1.60000 3 2 1.30000 6 2 1.00000 9 2 0.70000 0 3 1.59375 3 3 1.29375 6 3 0.99375 9 3 0.69375 0 4 1.58750 3 4 1.28750 6 4 0.98750 9 4 0.68750 0 5 1.58125 3 5 1.28125 6 5 0.98125 9 5 0.68125 0 6 1.57500 3 6 1.27500 6 6 0.97500 9 6 0.67500 0 7 1.56875 3 7 1.26875 6 7 0.96875 9 7 0.66875 0 8 1.56250 3 8 1.26250 6 8 0.96250 9 8 0.66250 0 9 1.55625 3 9 1.25625 6 9 0.95625 9 9 0.65625 0 a 1.55000 3 a 1.25000 6 a 0.95000 9 a 0.65000 0 b 1.54375 3 b 1.24375 6 b 0.94375 9 b 0.64375 0 c 1.53750 3 c 1.23750 6 c 0.93750 9 c 0.63750 0 d 1.53125 3 d 1.23125 6 d 0.93125 9 d 0.63125 0 e 1.52500 3 e 1.22500 6 e 0.92500 9 e 0.62500 0 f 1.51875 3 f 1.21875 6 f 0.91875 9 f 0.61875 1 0 1.51250 4 0 1.21250 7 0 0.91250 a 0 0.61250 1 1 1.50625 4 1 1.20625 7 1 0.90625 a 1 0.60625 1 2 1.50000 4 2 1.20000 7 2 0.90000 a 2 0.60000 1 3 1.49375 4 3 1.19375 7 3 0.89375 a 3 0.59375 1 4 1.48750 4 4 1.18750 7 4 0.88750 a 4 0.58750 1 5 1.48125 4 5 1.18125 7 5 0.88125 a 5 0.58125 1 6 1.47500 4 6 1.17500 7 6 0.87500 a 6 0.57500 1 7 1.46875 4 7 1.16875 7 7 0.86875 a 7 0.56875 1 8 1.46250 4 8 1.16250 7 8 0.86250 a 8 0.56250 1 9 1.45625 4 9 1.15625 7 9 0.85625 a 9 0.55625 1 a 1.45000 4 a 1.15000 7 a 0.85000 a a 0.55000 1 b 1.44375 4 b 1.14375 7 b 0.84375 a b 0.54375 1 c 1.43750 4 c 1.13750 7 c 0.83750 a c 0.53750 1 d 1.43125 4 d 1.13125 7 d 0.83125 a d 0.53125 1 e 1.42500 4 e 1.12500 7 e 0.82500 a e 0.52500 1 f 1.41875 4 f 1.11875 7 f 0.81875 a f 0.51875 2 0 1.41250 5 0 1.11250 8 0 0.81250 b 0 0.51250 2 1 1.40625 5 1 1.10625 8 1 0.80625 b 1 0.50625 2 2 1.40000 5 2 1.10000 8 2 0.80000 b 2 0.50000 2 3 1.39375 5 3 1.09375 8 3 0.79375 f e off 2 4 1.38750 5 4 1.08750 8 4 0.78750 f f off 2 5 1.38125 5 5 1.08125 8 5 0.78125 2 6 1.37500 5 6 1.07500 8 6 0.77500 2 7 1.36875 5 7 1.06875 8 7 0.76875 2 8 1.36250 5 8 1.06250 8 8 0.76250 2 9 1.35625 5 9 1.05625 8 9 0.75625 2 a 1.35000 5 a 1.05000 8 a 0.75000 2 b 1.34375 5 b 1.04375 8 b 0.74375 2 c 1.33750 5 c 1.03750 8 c 0.73750 2 d 1.33125 5 d 1.03125 8 d 0.73125 2 e 1.32500 5 e 1.02500 8 e 0.72500 2 f 1.31875 5 f 1.01875 8 f 0.71875 ? 2010 bel fuse inc. specifications subject to change without notice. 081310 14 corporate far east europe bel fuse inc. bel fuse ltd. bel fuse europe ltd. 206 van vorst street 8f/ 8 luk hop street preston technology management centre jersey city, nj 07302 san po kong marsh lane, suite g7, preston tel 201-432-0463 kowloon, hong kong lancashire, pr1 8ud, u.k. fax 201-432-9542 tel 852-2328-5515 tel 44-1772-556601 www.belfuse.com fax 852-2352-3706 fax 44-1772-888366 www.belfuse.com www.belfuse.com non-isolated dc/dc converters 6.0 vdc - 13.2 vdc input, 0.5 vdc - 1.6 vdc output, vrm11.1 compatible aug. 13, 2010 bel power inc., a subsid iary of bel fuse inc. revision history date revision changes detail approval 2009-04-09 a first release hl lu 2009-04-22 b 1. update mechanical drawing; 2. correct error in part number explanation; 3. add ripple and start up time waveforms; 4. remove some ?tbd? information. hl lu 2009-05-05 c 1. add efficiency curve; 2. update nr curves; 3. add signal definitions and vid codes hl lu 2010-03-22 d 1. adjust input range; 2. input specification: 1) add no load input current at psi# mode, 2) amend the value of full load/no load input current, 3) reflected ripple current, 4) turn on/off threshold voltage; 3. output specification: 1) current limit of vrp4-c2e1a0; 2) adjust output capacitance ; 4. general specification: 1) update efficiency data, 2) add fit data 5. update efficiency curves, add thermal derating curves, update nr and tr curves, update start up time curve and add rise time curve, add curve for power good; 6. update mechanical drawing (bottom view and pin spacing). jack fan 2010-04-30 e 1. update td of vrp4-c0e1a0; 2. update the rs+ and rs- value in remote sense section. jack fan 2010-08-13 f add the diagram of imon jz wang rohs compliance complies with the european directive 2002/95/ec , calling for the elimin ation of lead and other hazardous substances from electronic products. |
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