1/7 stps1545d/f/fp/r/g ? november 2002 - ed: 4f power schottky rectifier i f(av) 15 a v rrm 45 v tj (max) 175 c v f (max) 0.57 v main product characteristics n very small conduction losses n negligible switching losses n extremely fast switching n insulated package: isowatt220ac, to-220fpac insulating voltage = 2000v dc capacitance = 12pf features and benefits single chip schottky rectifier suited for switch mode power supply and high frequency dc to dc converters. packaged in to-220ac, isowatt220ac, to-220fpac, i 2 pak or d 2 pak, this device is intended for use in low voltage, high frequency inverters, free wheeling and polarity protection applications. description symbol parameter value unit v rrm repetitive peak reverse voltage 45 v i f(rms) rms forward current 30 a i f(av) average forward current d = 0.5 to-220ac, i 2 pak, d 2 pak tc = 155c 15 a isowatt220ac to-220fpac tc = 130c i fsm surge non repetitive forward current tp = 10 ms sinusoidal 220 a i rrm repetitive peak reverse current tp=2 m s square f = 1khz 1a i rsm non repetitive peak reverse current tp = 100 m s square 3a tstg storage temperature range - 65 to + 175 c tj maximum operating junction temperature * 175 c absolute ratings (limiting values) isowatt220ac stps1545f k a to-220ac stps1545d k a *: dptot dtj rth j a < - 1 () thermal runaway condition for a diode on its own heatsink k a to-220fpac STPS1545FP a k a i 2 pak stps1545r k nc a d 2 pak stps1545g
stps1545d/f/fp/r/g 2/7 symbol parameter value unit r th (j-c) junction to case to-220ac, i 2 pak, d 2 pak 1.6 c/w isowatt220ac to-220fpac 4.0 thermal resistances symbol parameter tests conditions min. typ. max. unit i r * reverse leakage current tj = 25c v r =v rrm 200 m a tj = 125c 11 40 ma v f * forward voltage drop tj = 125c i f = 15 a 0.5 0.57 v tj = 25c i f = 30 a 0.84 tj = 125c i f = 30 a 0.65 0.72 static electrical characteristics pulse test : * tp = 380 m s, d <2% to evaluate the conduction losses use the following equation : p=0.42xi f(av) + 0.01 i f 2 (rms) 0 2 4 6 8 10 12 14 16 18 0 2 4 6 8 10 12 if(av) (a) pf(av)(w) d = 1 d = 0.5 d = 0.2 d = 0.1 d = 0.05 t d =tp/t tp fig. 1: average forward power dissipation versus average forward current. 0 25 50 75 100 125 150 175 0 2 4 6 8 10 12 14 16 18 tamb(c) if(av)(a) rth(j-a)=rth(j-c) rth(j-a)=15c/w to-220ac isowatt220ac t d =tp/t tp fig. 2: average current versus ambient temperature ( d : 0.5). 1e-3 1e-2 1e-1 1e+0 0 20 40 60 80 100 120 140 160 180 200 t(s) im(a) tc=75c tc=100c tc=125c i m t d =0.5 fig. 3-1: non repetitive surge peak forward cur- rent versus overload duration (maximum values) (to-220ac, i 2 pak and d 2 pak). 1e-3 1e-2 1e-1 1e+0 0 20 40 60 80 100 120 t(s) im(a) tc=75c tc=100c tc=125c i m t d =0.5 fig. 3-2: non repetitive surge peak forward cur- rent versus overload duration (maximum values) (isowatt220ac, to-220fpac).
stps1545d/f/fp/r/g 3/7 1e-4 1e-3 1e-2 1e-1 1e+0 0.0 0.2 0.4 0.6 0.8 1.0 tp(s) zth(j-c)/rth(j-c) t d =tp/t tp single pulse d = 0.1 d = 0.2 d = 0.5 fig. 4-1: relative variation of thermal transient im- pedance junction to case versus pulse duration (to-220ac, i 2 pak and d 2 pak). 1e-3 1e-2 1e-1 1e+0 1e+1 0.0 0.2 0.4 0.6 0.8 1.0 tp(s) zth(j-c)/rth(j-c) t d =tp/t tp single pulse d = 0.1 d = 0.2 d = 0.5 fig. 4-2: relative variation of thermal transient im- pedance junction to case versus pulse duration (isowatt220ac, to-220fpac). 0 5 10 15 20 25 30 35 40 45 1e+0 1e+1 1e+2 1e+3 1e+4 5e+4 vr(v) ir(a) tj=150c tj=100c tj=125c tj=75c tj=50c tj=25c fig. 5: reverse leakage current versus reverse voltage applied (typical values). 12 51020 50 100 200 500 1000 2000 vr(v) c(pf) f=1mhz tj=25c fig. 6: junction capacitance versus reverse voltage applied (typical values). 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0.1 1.0 10.0 100.0 vfm(v) ifm(a) typical values tj=125c tj=125c tj=25c fig. 7: forward voltage drop versus forward cur- rent (maximum values). 0 5 10 15 20 25 30 35 40 0 10 20 30 40 50 60 70 80 rth(j-a) (c/w) s(cu) (cm2) fig. 8: thermal resistance junction to ambient ver- sus copper surface under tab (epoxy printed circuit board fr4, cu=35m) (d 2 pak).
stps1545d/f/fp/r/g 4/7 package mechanical data to-220fpac h l3 l2 l4 l6 g g1 f f1 d e l7 a b dia l5 ref. dimensions millimeters inches min. max. min. max. a 4.4 4.6 0.173 0.181 b 2.5 2.7 0.098 0.106 d 2.5 2.75 0.098 0.108 e 0.45 0.70 0.018 0.027 f 0.75 1 0.030 0.039 f1 1.15 1.70 0.045 0.067 g 4.95 5.20 0.195 0.205 g1 2.4 2.7 0.094 0.106 h 10 10.4 0.393 0.409 l2 16 typ. 0.63 typ. l3 28.6 30.6 1.126 1.205 l4 9.8 10.6 0.386 0.417 l5 2.9 3.6 0.114 0.142 l6 15.9 16.4 0.626 0.646 l7 9.00 9.30 0.354 0.366 dia. 3.00 3.20 0.118 0.126 package mechanical data to-220ac a c d e m l7 h2 ? i l5 l6 l9 l4 g f1 f l2 ref. dimensions millimeters inches min. max. min. max. a 4.40 4.60 0.173 0.181 c 1.23 1.32 0.048 0.051 d 2.40 2.72 0.094 0.107 e 0.49 0.70 0.019 0.027 f 0.61 0.88 0.024 0.034 f1 1.14 1.70 0.044 0.066 g 4.95 5.15 0.194 0.202 h2 10.00 10.40 0.393 0.409 l2 16.40 typ. 0.645 typ. l4 13.00 14.00 0.511 0.551 l5 2.65 2.95 0.104 0.116 l6 15.25 15.75 0.600 0.620 l7 6.20 6.60 0.244 0.259 l9 3.50 3.93 0.137 0.154 m 2.6 typ. 0.102 typ. diam. i 3.75 3.85 0.147 0.151
stps1545d/f/fp/r/g 5/7 package mechanical data isowatt220ac f g f1 h d e a b l7 diam l2 l6 l3 ref. dimensions millimeters inches min. typ. max. min. typ. max. a 4.40 4.60 0.173 0.181 b 2.50 2.70 0.098 0.106 d 2.40 2.75 0.094 0.108 e 0.40 0.70 0.016 0.028 f 0.75 1.00 0.030 0.039 f1 1.15 1.70 0.045 0.067 g 4.95 5.20 0.195 0.205 h 10.00 10.40 0.394 0.409 l2 16.00 0.630 l3 28.60 30.60 1.125 1.205 l6 15.90 16.40 0.626 0.646 l7 9.00 9.30 0.354 0.366 diam 3.00 3.20 0.118 0.126 package mechanical data i2pak e d l l1 l2 b1 b b2 e a c2 a1 c ref. dimensions millimeters inches min. max. min. max. a 4.40 4.60 0.173 0.181 a1 2.49 2.69 0.098 0.106 b 0.70 0.93 0.028 0.037 b1 1.14 1.17 0.044 0.046 b2 1.14 1.17 0.044 0.046 c 0.45 0.60 0.018 0.024 c2 1.23 1.36 0.048 0.054 d 8.95 9.35 0.352 0.368 e 2.40 2.70 0.094 0.106 e 10.0 10.4 0.394 0.409 l 13.1 13.6 0.516 0.535 l1 3.48 3.78 0.137 0.149 l2 1.27 1.40 0.050 0.055
stps1545d/f/fp/r/g 6/7 package mechanical data d 2 pak a c2 d r a2 m v2 c a1 g l l3 l2 b b2 e * * flat zone no less than 2mm ref. dimensions millimeters inches min. max. min. max. a 4.40 4.60 0.173 0.181 a1 2.49 2.69 0.098 0.106 a2 0.03 0.23 0.001 0.009 b 0.70 0.93 0.027 0.037 b2 1.14 1.70 0.045 0.067 c 0.45 0.60 0.017 0.024 c2 1.23 1.36 0.048 0.054 d 8.95 9.35 0.352 0.368 e 10.00 10.40 0.393 0.409 g 4.88 5.28 0.192 0.208 l 15.00 15.85 0.590 0.624 l2 1.27 1.40 0.050 0.055 l3 1.40 1.75 0.055 0.069 m 2.40 3.20 0.094 0.126 r 0.40 typ. 0.016 typ. 8.90 3.70 1.30 5.08 16.90 10.30 foor print dimensions (in millimeters)
stps1545d/f/fp/r/g 7/7 type marking package weight base qty delivery mode stps1545d stps1545d to-220ac 1.86 g 50 tube stps1545f stps1545f isowatt220ac 2.0 g 50 tube STPS1545FP STPS1545FP to-220fpac 1.9 g 50 tube stps1545r stps1545r i 2 pak 1.7 g 50 tube stps1545g stps1545g d 2 pak 1.48 g 50 tube stps1545g-tr stps1545g d 2 pak 1.48 g 1000 tape & reel n cooling method: by conduction (c) n recommended torque value: 0.55 n.m. n maximum torque value: 0.7 n.m. n epoxy meets ul94,v0 information furnished is believed to be accurate and reliable. however, stmicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of stmicroelectronics. specifications mentioned in this publication are subject to change without notice. this publication supersedes and replaces all information previously supplied. stmicroelectronics products are not authorized for use as critical components in life support devices or systems without express written ap- proval of stmicroelectronics. the st logo is a registered trademark of stmicroelectronics ? 2002 stmicroelectronics - printed in italy - all rights reserved. stmicroelectronics group of companies australia - brazil - canada - china - finland - france - germany hong kong - india - israel - italy - japan - malaysia - malta - morocco - singapore spain - sweden - switzerland - united kingdom - united states. http://www.st.com
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