1/7 stps640ct/cf/cb/cfp ? august 2003 - ed: 6b power schottky rectifier i f(av) 2x3a v rrm 40 v tj (max) 150 c v f (max) 0.57 v main product characteristics n very small conduction losses n negligible switching losses n extremely fast switching n low forward drop voltage n low capacitance n low thermal resistance n insulated package: insulating voltage = 2000v dc capacitance = 12pf n smd package (tape and reel option: -tr) n avalanche capability specified features and benefits dual schottky rectifier suited to switch mode power supplies and other power converters. this device is intended for use in low and medium voltage operation, and particulary, in high fre- quency circuitries where low switching losses are required (free wheeling and polarity protection). description dpak stps640cb a1 a2 k symbol parameter value unit v rrm repetitive peak reverse voltage 40 v i f(rms) rms forward current to-220ab / isowatt220ab / to-220fpab 10 a dpak 6 i f(av) average forward current d = 0.5 to-220ab tc = 135c 3 a isowatt220ab / to-220fpab tc = 130c dpak tc = 120c i fsm surge non repetitive forward current tp = 10 ms sinusoidal 75 a i rrm repetitive peak reverse current t p=2s f= 1khz square 1 a p arm repetitive peak avalanche power tp = 1s tj = 25c 1300 w 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/s absolute ratings (limiting values, per diode) a1 a1 k k a2 a2 to-220ab stps640ct isowatt220ab stps640cf k a2 a1 a1 a2 k to-220fpab stps640cfp
stps640ct/cf/cb/cfp 2/7 symbol parameter value unit r th (j-c) junction to case to-220ab / dpak per diode total 5.5 3 c/w isowatt220ab / to-220fpab per diode total 7.5 5.2 r th(c) coupling to-220ab 0.5 c/w isowatt220ab / to-220fpab 3 thermal resistances symbol tests conditions min. typ. max. unit i r * reverse leakage current tj = 25 cv r =v rrm 100 a tj = 125 c 2 10 ma v f * forward voltage drop tj = 25 ci f = 3 a 0.63 v tj=25 ci f = 6 a 0.84 tj = 125 ci f = 3 a 0.5 0.57 tj = 125 ci f = 6 a 0.67 0.72 pulse test : * tp = 380 s, d <2% to evaluate the maximum conduction losses use the following equation : p=0.42xi f(av) + 0.050 i f 2 (rms) static electrical characteristics (per diode) 0 25 50 75 100 125 150 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 tamb(c) if(av)(a) rth(j-a)=15c/w rth(j-a)=rth(j-c) isowatt220ab to-220ab/dpak t d =tp/t tp fig. 2: average current versus ambient temperature ( d = 0.5, per diode). 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 0.00 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50 if(av) (a) pf(av)(w) t d =tp/t tp d = 1 d = 0.5 d = 0.2 d = 0.1 d = 0.05 fig. 1: average forward power dissipation versus average forward current (per diode). 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)
stps640ct/cf/cb/cfp 3/7 1e-3 1e-2 1e-1 1e+0 0 5 10 15 20 25 30 35 40 t(s) im(a) tc=75c tc=130c tc=100c i m t d =0.5 fig. 5-2: non repetitive surge peak forward current versus overload duration. (maximum values, per diode) (isowatt220ab / to-220fpab). 1e-3 1e-2 1e-1 1e+0 0 5 10 15 20 25 30 35 40 45 t(s) im(a) tc=75c tc=135c tc=100c i m t d =0.5 fig. 5-1: non repetitive surge peak forward current versus overload duration. (maximum values, per diode) (to-220ab / dpak). 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) single pulse d = 0.1 d = 0.2 d = 0.5 t d =tp/t tp fig. 6.1: relative variation of thermal transient impedance junction to case versus pulse duration (to-220ab / dpak). 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. 6-2: relative variation of thermal transient impedance junction to case versus pulse duration (isowatt220ab / to-220fpab). 0 0.2 0.4 0.6 0.8 1 1.2 0 25 50 75 100 125 150 t (c) j p(t) p (25c) arm p arm fig. 4: normalized avalanche power derating versus junction temperature. 0.001 0.01 0.1 0.01 1 0.1 10 100 1000 1 t (s) p p(t) p (1s) arm p arm fig. 3: normalized avalanche power derating versus pulse duration.
stps640ct/cf/cb/cfp 4/7 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 0.1 1.0 10.0 ifm(a) tj=125c typical values tj=150c vfm(v) fig. 9: forward voltage drop versus forward current (maximum values, per diode). 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. 10: thermal resistance junction to ambient versus copper surface under tab (epoxy printed circuit board fr4, copper thickness: 35m). 0 5 10 15 20 25 30 35 40 1e-5 1e-4 1e-3 1e-2 vr(v) ir(a) tj=150c tj=75c tj=100c tj=125c fig. 7: reverse leakage current versus reverse voltage applied (typical values, per diode). 12 51020 50 10 100 500 vr(v) c(pf) f=1mhz tj=25c fig. 8: junction capacitance versus reverse voltage applied (typical values, per diode).
stps640ct/cf/cb/cfp 5/7 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 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
stps640ct/cf/cb/cfp 6/7 ref. dimensions millimeters inches min. max min. max. a 2.20 2.40 0.086 0.094 a1 0.90 1.10 0.035 0.043 a2 0.03 0.23 0.001 0.009 b 0.64 0.90 0.025 0.035 b2 5.20 5.40 0.204 0.212 c 0.45 0.60 0.017 0.023 c2 0.48 0.60 0.018 0.023 d 6.00 6.20 0.236 0.244 e 6.40 6.60 0.251 0.259 g 4.40 4.60 0.173 0.181 h 9.35 10.10 0.368 0.397 l2 0.80 typ. 0.031 typ. l4 0.60 1.00 0.023 0.039 v2 0 8 0 8 package mechanical data dpak 6.7 6.7 3 3 1.6 1.6 2.3 2.3 footprint dimensions (in millimeters)
stps640ct/cf/cb/cfp 7/7 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 ? 2003 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 ordering type marking package weight base qty delivery mode stps640ct stps640ct to-220ab 2.20g 50 tube stps640cb s640c dpak 0.30g 75 tube STPS640CB-TR s640c dpak 0.30g 2500 tape and reel stps640cf stps640cf isowatt220ab 2.08g 50 tube stps640cfp stps640cfp to-220fpab 2.08g 50 tube n epoxy meets ul94,v0 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
|
