1/7 STPS10L45CT/cg/cf/cfp january 2002 - ed: 2b low drop power schottky rectifier ? dual center tap schottky rectifiers suited for switched mode power supplies and high frequency dc to dc converters. packaged in to-220ab, isowatt220ab, to-220fpab and d 2 pak, these devices are intended for use in low voltage, high frequency inverters, free-wheeling and polarity protection applications. description n low forward voltage drop meaning very small conduction losses n low switching losses allowing high frequency operation n insulated package: isowatt220ab, to-220fpab insulating voltage = 2000v dc capacitance = 12pf features and benefits symbol parameter value unit v rrm repetitive peak reverse voltage 45 v i f(rms) rms forward current 20 a i f(av) average forward current to-220ab d 2 pak tc =135c d = 0.5 per diode per device 5 10 a isowatt220ab to-220fpab tc =115c d = 0.5 per diode per device 5 10 a i fsm surge non repetitive forward current tp = 10 ms sinusoidal 150 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 2a t stg storage temperature range - 65 to + 150 c tj maximum operating junction temperature * 150 c dv/dt critical rate of rise of reverse voltage 10000 v/ m s absolute ratings (limiting values, per diode) a1 k a2 i f(av) 2x5 a v rrm 45 v tj (max) 150c v f (max) 0.46 v main products characteristics d 2 pak stps10l45cg a1 k a2 a2 k a1 k a1 a2 to-220ab STPS10L45CT isowatt220ab stps10l45cf *: dptot dtj rth j a < - 1 () thermal runaway condition for a diode on its own heatsink a1 a2 k to-220fpab stps10l45cfp
STPS10L45CT/cg/cf/cfp 2/7 symbol parameter tests conditions min. typ. max. unit i r * reverse leakage current tj = 25c v r =v rrm 0.15 ma tj = 125c 45 90 ma v f * forward voltage drop tj = 25 ci f =5a 0.53 v tj = 125c i f =5a 0.36 0.46 tj=25 ci f =10a 0.67 tj = 125c i f =10a 0.49 0.59 pulse test : * tp = 380 m s, d <2% to evaluate the conduction losses use the following equation : p=0.33xi f(av) + 0.026 i f 2 (rms) static electrical characteristics (per diode) symbol parameter value unit r th (j-c) junction to case to-220ab d 2 pak per diode total 3 1.7 c/w r th (c) coupling 0.35 r th (j-c) junction to case isowatt220ab to-220fpab per diode total 5 3.8 c/w r th (c) coupling 2.5 thermal resistances when the diodes 1 and 2 are used simultaneously : d tj(diode 1) = p(diode1) x r th(j-c) (per diode) + p(diode 2) x r th(c) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 if(av) (a) pf(av)(w) d = 0.2 d = 0.5 d = 1 d = 0.05 d = 0.1 t d =tp/t tp fig. 1: average forward power dissipation versus average forward current (per diode). 0 25 50 75 100 125 150 0 1 2 3 4 5 6 if(av)(a) rth(j-a)=15c/w rth(j-a)=rth(j-c) to-220ab/d2pak to-220fpab isowatt220ab tamb(c) t d =tp/t tp fig. 2: average forward current versus ambient temperature ( d =0.5, per diode).
STPS10L45CT/cg/cf/cfp 3/7 1e-3 1e-2 1e-1 1e+0 0 10 20 30 40 50 60 70 80 90 100 im(a) tc=25c tc=125c tc=75c t(s) i m t d =0.5 fig. 3-1: non repetitive surge peak forward current versus overload duration (maximum values, per diode) (to-220ab and d 2 pak). 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) d = 0.1 d = 0.2 d = 0.5 single pulse t d =tp/t tp fig. 4-1: relative variation of thermal impedance junction to case versus pulse duration. (to-220ab and d 2 pak). 0 5 10 15 20 25 30 35 40 45 1e-3 1e-2 1e-1 1e+0 1e+1 1e+2 vr(v) ir(ma) tj=100c tj=25c tj=150c tj=125c fig. 5: reverse leakage current versus reverse voltage applied (typical values, per diode). 1e-3 1e-2 1e-1 1e+0 0 10 20 30 40 50 60 70 80 im(a) tc=25c tc=125c tc=75c i m t d =0.5 t(s) fig. 3-2: non repetitive surge peak forward current versus overload duration (maximum values, per diode) (isowatt220ab, to-220fpab). 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) d = 0.1 d = 0.2 d = 0.5 single pulse t d =tp/t tp fig. 4-2: relative variation of thermal impedance junction to case versus pulse duration. (isowatt220ab, to-220fpab). 12 51020 50 10 100 1000 vr(v) c(pf) f=1mhz tj=25c fig. 6: junction capacitance versus reverse voltage applied (typical values, per diode).
STPS10L45CT/cg/cf/cfp 4/7 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 0.1 1.0 10.0 100.0 ifm(a) vfm(v) tj=25c tj=150c typical values tj=125c fig. 7: forward voltage drop versus forward current (maximum values, per diode). package mechanical data to-220ab a c d l7 dia l5 l6 l9 l4 f h2 g g1 l2 f2 f1 e m 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 f2 1.14 1.70 0.044 0.066 g 4.95 5.15 0.194 0.202 g1 2.40 2.70 0.094 0.106 h2 10 10.40 0.393 0.409 l2 16.4 typ. 0.645 typ. l4 13 14 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. 3.75 3.85 0.147 0.151 0 4 8 12 16 20 24 28 32 36 40 0 10 20 30 40 50 60 70 80 s(cu) (cm2) rth(j-a) (c/w) fig. 8: thermal resistance junction to ambient versus copper surface under tab (epoxy printed circuit board fr4, copper thickness: 35 m m)( d 2 pak).
STPS10L45CT/cg/cf/cfp 5/7 package mechanical data to-220fpab h l3 l2 l4 l6 g g1 f f1 l5 d e l7 a b dia f2 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 f2 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
6/7 STPS10L45CT/cg/cf/cfp 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. v2 0 8 0 8 8.90 3.70 1.30 5.08 16.90 10.30 foot print dimensions (in millimeters)
7/7 STPS10L45CT/cg/cf/cfp 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 package mechanical data isowatt220ab ref. dimensions millimeters inches min. max. min. max. a 4.40 4.60 0.173 0.181 b 2.50 2.70 0.098 0.106 d 2.50 2.75 0.098 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 f2 1.15 1.70 0.045 0.067 g 4.95 5.20 0.195 0.205 g1 2.40 2.70 0.094 0.106 h 10.00 10.40 0.394 0.409 l2 16.00 typ. 0.630 typ. l3 28.60 30.60 1.125 1.205 l4 9.80 10.60 0.386 0.417 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 ordering type marking package weight base qty delivery mode STPS10L45CT STPS10L45CT to-220ab 2.23g 50 tube stps10l45cfp stps10l45cfp to-220fpab 2 g 50 tube stps10l45cg stps10l45cg d2pak 1.48g 50 tube stps10l45cg-tr stps10l45cg d2pak 1.48g 1000 tape & reel stps10l45cf stps10l45cf isowatt220ab 2.08g 50 tube n cooling method : by conduction (c) n recommended torque value : 0.55 n.m. n maximum torque value : 0.70 n.m. n epoxy meets ul94,v0
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