STPS80L30CY preliminary datasheet ? august 1999 - ed: 1a low drop power schottky rectifier i f(av) 2 x 40 a v rrm 30 v tj (max) 150 c v f (max) 0.38 v main product characteristics very small conduction losses negligible switching losses extremely fast switching low forward voltage drop low thermal resistance features and benefits dual center tap schottky rectifier suited for cad computers and servers. packaged in max247, this device 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 30 v i f(rms) rms forward current 50 a i f(av) average forward current tc = 135c 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 f = 1khz square 2 a 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 a2 k * : dptot dtj < 1 rth ( j - a ) thermal runaway condition for a diode on its own heatsink 1/3
symbol parameter value unit r th (j-c) junction to case per diode 0.7 c/w total 0.5 r th (c) coupling 0.3 thermal resistances symbol parameter tests conditions min. typ. max. unit i r * reverse leakage current tj = 25 cv r = v rrm 4ma tj = 125 c0.71.5a v f * forward voltage drop tj = 25 ci f = 40 a 0.48 v tj = 125 ci f = 40 a 0.34 0.38 tj = 25 ci f = 80 a 0.58 tj = 125 ci f = 80 a 0.48 0.53 pulse test : * tp = 380 m s, d < 2% to evaluate the maximum conduction losses use the following equation : p = 0.23 x i f(av) + 0.0037 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) STPS80L30CY 2/3
information furnished is believed to be accurate and reliable. however, stmicroelectronics assumes no responsibility for the co nsequences 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 expres s written ap- proval of stmicroelectronics. the st logo is a registered trademark of stmicroelectronics ? 1999 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 STPS80L30CY STPS80L30CY max247 4.4g 30 tube epoxy meets ul94,v0 cooling method: c STPS80L30CY 3/3
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