schottky rectifier 60a, 45v 60lq045 major ratings and characteristics description/features case style case outline and dimensions - smd-1 www.irf.com 1 high efficiency series the 60lq045 schottky rectifier has been expressly designed to meet the rigorous requirements of high reliability environments. it is packaged in the hermetic surface mount smd-1 ceramic package. the device's forward voltage drop and reverse leakage current are optimized for the lowest power loss and the highest circuit efficiency for typical high frequency switching power supplies and resonant power convertors. full mil-prf- 19500 quality conformance testing is availble on control drawings to tx, txv and s quality levels. ? hermetically sealed ? low forward voltage drop ? high frequency operation ? guard ring for enhanced ruggedness and long term reliability ? surface mount ? lightweight characteristics 60lq045 units i f(av) 60 a v rrm 45 v i fsm @ tp = 8.3ms half-sine 400 a v f @ 60apk, t j = 125c 0.6 v t j , t stg operating and storage -55 to 150 c pd-20504d
60lq045 2 www.irf.com part number 60lq045 v r max. dc reverse voltage (v) v rwm max. working peak reverse voltage (v) voltage ratings 45 parameters limits units conditions i f(av) max. average forward current 60 a 50% duty cycle @ t c = 105c, square waveform see fig. 5 i fsm max. peak one cycle non - repetitive 400 a @ t p = 8.3 ms half-sine surge current absolute maximum ratings parameters limits units conditions t j max.junction temperature range -55 to 150 c t stg max. storage temperature range -55 to 150 c r thjc max. thermal resistance, junction 1.0 c/w dc operation see fig. 4 to case wt weight (typical) 2.6 g die size 200x200 mils case style smd-1 thermal-mechanical specifications pulse width < 300s, duty cycle < 2% pins 2 and 3 externally tied together parameters limits units conditions v fm max. forward voltage drop 0.75 v @ 60a see fig. 1 0.89 v @ 120a 0.68 v @ 60a 0.82 v @ 120a i rm max. reverse leakage current 0.8 ma t j = 25c v r = rated v r see fig. 2 45 ma t j = 125c electrical specifications t j = -55c t j = 25c l s typical series inductance 5.9 nh measured from center of cathode pad to center of anode pad c t max. junction capacitance 2900 pf v r = 5v dc ( 1mhz, 25c ) 0.60 v @ 60a 0.74 v @ 120a t j = 125c
60lq045 www.irf.com 3 fig. 2 - typical values of reverse current vs. reverse voltage fig. 3 - typical junction capacitance vs. reverse voltage fig. 1 - max. forward voltage drop characteristics 0.001 0.01 0.1 1 10 100 0 1020304050 a 25c 100c 125c t = 150c j 1000 10000 0 1020304050 t = 25c j reverse voltage - v (v) r t junction capacitance - c (pf) a
0.0 0.2 0.4 0.6 0.8 1.0 forward voltage drop - v f (v) 1 10 100 1000 i n s t a n t a n e o u s f o r w a r d c u r r e n t - i f ( a ) tj = 125c tj = 25c tj = -55c
60lq045 4 www.irf.com fig. 5 - max. allowable case temperature vs. average forward current fig. 4 - max. thermal impedance z thjc characteristics 0.01 0.1 1 10 0.00001 0.0001 0.001 0.01 0.1 1 notes: 1. duty factor d = t / t 2. peak t = p x z + t 1 2 j dm thjc c p t t dm 1 2 t , rectangular pulse duration (sec) thermal response (z ) 1 thjc 0.01 0.02 0.05 0.10 0.20 d = 0.50 single pulse (thermal response) 0 20 40 60 80 100 average forward current - i f(av) (a) 0 20 40 60 80 100 120 140 160 180 a l l o w a b l e c a s e t e m p r a t u r e - ( c ) 60lq045 r thjc = 1.0c/w dc ir world headquarters: 233 kansas st., el segundo, california 90245, usa tel: (310) 252-7105 ir leominster : 205 crawford st., leominster, massachusetts 01453, usa tel: (978) 534-5776 tac fax: (310) 252-7903 visit us at www.irf.com for sales contact information . data and specifications subject to change without notice. 10/2012
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