1/4 STPS80L60CY ? september 2001 - ed: 3a power schottky rectifier i f(av) 2x40a v rrm 60 v tj (max) 150 c v f (max) 0.56 v main product characteristics n very small conduction losses n negligible switching losses n extremely fast switching n low forward voltage drop n low thermal resistance features and benefits dual center tap schottky rectifier suited for cad computers and servers. packaged in max247, STPS80L60CY is intended for use in low voltage, high frequency switching power supplies, free wheeling and polarity protection applications. description max247 a1 k a2 symbol parameter value unit v rrm repetitive peak reverse voltage 60 v i f(rms) rms forward current 56 a i f(av) average forward current tc = 130c d = 0.5 per diode per device 40 80 a i fsm surge non repetitive forward current tp = 10 ms sinusoidal 400 a i rrm repetitive peak reverse current tp = 2 m s squar e f = 1khz 2 a t stg storage temperature range - 55 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 a2 k *: dptot dtj rth j a < - 1 () thermal runaway condition for a diode on its own heatsink
STPS80L60CY 2/4 symbol parameter value unit r th (j-c) junction to case per diode 0.70 c/w total 0.50 r th (c) coupling 0.3 thermal resistances symbol parameter tests conditions min. typ. max. unit i r * reverse leakage current tj = 25c v r =v rrm 1.8 ma tj = 125c 0.4 0.9 a v f * forward voltage drop tj = 25 ci f = 40 a 0.57 v tj = 125c 0.50 0.56 tj=25 ci f = 80 a 0.78 tj = 125c 0.69 0.77 pulse test : * tp = 380 m s, d <2% to evaluate the maximum conduction losses use the following equation : p=0.36xi f(av) + 0.005 x i f 2 (rms) static electrical characteristics (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) 0 5 10 15 20 25 30 35 0 1020304050 if(av)(a) d = 0.05 d = 0.1 d = 0.2 d = 0.5 d = 1 t d =tp/t tp p(w) fig. 1: conduction losses versus average current. 0 5 10 15 20 25 30 35 40 45 0 25 50 75 100 125 150 tamb(c) rth(j-a)=rth(j-c) rth(j-a)=5c/w if(av)(a) fig. 2: average forward current versus ambient temperature ( d = 0.5).
STPS80L60CY 3/4 0 50 100 150 200 250 300 350 400 450 500 1.e-03 1.e-02 1.e-01 1.e+00 t(s) tc=25c tc=75c tc=125c i m t d =0.5 im(a) fig. 3: non repetitive surge peak forward current versus overload duration (maximum values). 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.e-03 1.e-02 1.e-01 1.e+00 tp(s) t d =tp/t tp d = 0.5 d = 0.2 d = 0.1 single pulse zth(j-c)/rth(j-c) fig. 4: relative variation of thermal impedance junction to case versus pulse duration. 1.e-02 1.e-01 1.e+00 1.e+01 1.e+02 1.e+03 0 5 10 15 20 25 30 35 40 45 50 55 60 vr(v) tj=125c tj=25c tj=75c tj=100c tj=50c ir(ma) fig. 5: reverse leakage current versus reverse voltage applied (typical values). 0.1 1.0 10.0 100.0 1 10 100 vr(v) f=1mhz vosc=30mv tj=25c c(pf) fig. 6: junction capacitance versus reverse voltage applied (typical values). 1 10 100 1000 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 vfm(v) tj=25c (maximum values) tj=125c (maximum values) tj=125c (maximum values) tj=125c (typical values) tj=125c (typical values) ifm(a) fig. 7: forward voltage drop versus forward current.
STPS80L60CY 4/4 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 ? 2001 stmicroelectronics - printed in italy - all rights reserved. stmicroelectronics group of companies australia - brazil - china - finland - france - germany - hong kong - india - italy - japan - malaysia malta - morocco - singapore - spain - sweden - switzerland - united kingdom - u.s.a. http://www.st.com package mechanical data max247 a e e l1 b1 b2 b l d c a1 ref. dimensions millimeters inches min. max. min. max. a 4.70 5.30 0.185 0.209 a1 2.20 2.60 0.087 0.102 b 1.00 1.40 0.038 0.055 b1 2.00 2.40 0.079 0.094 b2 3.00 3.40 0.118 0.133 c 0.40 0.80 0.016 0.031 d 19.70 10.30 0.776 0.799 e 5.35 5.55 0.211 0.219 e 15.30 15.90 0.602 0.626 l 14.20 15.20 0.559 0.598 l1 3.70 4.30 0.146 0.169 ordering type marking package weight base qty delivery mode STPS80L60CY STPS80L60CY max247 4.4g 30 tube n epoxy meets ul94,v0
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