www.kersemi.com 1 power mosfet irfr310, irfu310, sihfr310, sihfu310 features ? dynamic dv/dt rating ? repetitive avalanche rated ? surface mount (irfr310/sihfr310) ? straight lead (irfu310/sihfu310) ? available in tape and reel ? fast switching ? fully avalanche rated ? lead (pb)-free available description third generation power mosfet s form vishay provide the designer with the best combi nation of fast switching, ruggedized device design, low on-resistance and cost-effectiveness. the dpak is designed for su rface mounting using vapor phase, infrared, or wave soldering techniques. the straight lead version (irfu/sihfu series) is for through-hole mounting applications. power dissipation levels up to 1.5 w are possible in typical surface mount applications. note a. see device orientation. notes a. repetitive rating; pulse width limited by maximum junction temperature (see fig. 11). b. v dd = 50 v, starting t j = 25 c, l = 52 mh, r g = 25 , i as = 1.7 a (see fig. 12). c. i sd 1.7 a, di/dt 40 a/s, v dd v ds , t j 150 c. d. 1.6 mm from case. e. when mounted on 1? square pcb (fr-4 or g-10 material). product summary v ds (v) 400 r ds(on) ( )v gs = 10 v 3.6 q g (max.) (nc) 12 q gs (nc) 1.9 q gd (nc) 6.5 configuration single n - c hannel m os fet g d s dpak (to-252) ipak (to-251) a v aila b le rohs* compliant ordering information package dpak (to-252) dpak (to-252) d pak (to-252) dpak (to-252) ipak (to-251) lead (pb)-free IRFR310PBF irfr310trlpbf a irfr310trpbf a irfr310trrpbf a irfu310pbf sihfr310-e3 sihfr310tl-e3 a sihfr310t-e3 a sihfr310tr-e3 a sihfu310-e3 snpb irfr310 irfr310trl a irfr310tr a - irfu310 sihfr310 sihfr310tl a sihfr310t a -sihfu310 absolute maximum ratings t c = 25 c, unless otherwise noted parameter symbol limit unit drain-source voltage v ds 400 v gate-source voltage v gs 20 continuous drain current v gs at 10 v t c = 25 c i d 1.7 a t c = 100 c 1.1 pulsed drain current a i dm 6.0 linear derating factor 0.20 w/c linear derating factor (pcb mount) e 0.020 single pulse avalanche energy b e as 86 mj repetitive avalanche current a i ar 1.7 a repetitive avalanche energy a e ar 2.5 mj maximum power dissipation t c = 25 c p d 25 w maximum power dissipation (pcb mount) e t a = 25 c 2.5 peak diode recovery dv/dt c dv/dt 4.0 v/ns operating junction and storage temperature range t j , t stg - 55 to + 150 c soldering recommendations (p eak temperature) for 10 s 260 d
www.kersemi.com 2 irfr310, irfu310, sihfr310, sihfu310 note a. when mounted on 1" square pcb ( fr-4 or g-10 material). notes a. repetitive rating; pulse width limited by maximum junction temper ature (see fig. 11). b. pulse width 300 s; duty cycle 2 %. thermal resistance ratings parameter symbol typ. max. unit maximum junction-to-ambient (pcb mounted, steady-state) a r thja -50 c/w maximum junction-to-ambient r thja - 110 maximum junction-to-case r thjc -5.0 specifications t j = 25 c, unless otherwise noted parameter symbol test conditions min. typ. max. unit static drain-source breakdown voltage v ds v gs = 0 v, i d = 250 a 400 - - v v ds temperature coefficient v ds /t j reference to 25 c, i d = 1 ma - 0.47 - v/c gate-source threshold voltage v gs(th) v ds = v gs , i d = 250 a 2.0 - 4.0 v gate-source leakage i gss v gs = 20 v - - 100 na zero gate voltage drain current i dss v ds = 400 v, v gs = 0 v - - 25 a v ds = 320 v, v gs = 0 v, t j = 125 c - - 250 drain-source on-state resistance r ds(on) v gs = 10 v i d = 1.0 a b --3.6 forward transconductance g fs v ds = 50 v, i d = 1.0 a b 0.97 - - s dynamic input capacitance c iss v gs = 0 v, v ds = 25 v, f = 1.0 mhz, see fig. 5 c - 170 - pf output capacitance c oss -34- reverse transfer capacitance c rss -6.3- total gate charge q g v gs = 10 v i d = 2.0 a, v ds = 320 v, see fig. 6 and 13 b, c --12 nc gate-source charge q gs --1.9 gate-drain charge q gd --6.5 turn-on delay time t d(on) v dd = 200 v, i d = 2.0 a, r g = 24 , r d = 95 , see fig. 10 b, c -7.9- ns rise time t r -9.9- turn-off delay time t d(off) -21- fall time t f -11- internal drain inductance l d between lead, 6 mm (0.25") from package and center of die contact -4.5- nh internal source inductance l s -7.5- drain-source body diode characteristics continuous source-drain diode current i s mosfet symbol showing the integral reverse p - n junction diode --1.7 a pulsed diode forward current a i sm --6.0 body diode voltage v sd t j = 25 c, i s = 1.7 a, v gs = 0 v b --1.6v body diode reverse recovery time t rr t j = 25 c, i f = 2.0 a, di/dt = 100 a/s b - 240 540 ns body diode reverse recovery charge q rr - 0.85 1.6 c forward turn-on time t on intrinsic turn-on time is neglig ible (turn-on is dominated by l s and l d ) d s g s d g
www.kersemi.com 3 irfr310, irfu310, sihfr310, sihfu310 typical characteristics 25 c, unless otherwise noted fig. 1 - typical output characteristics, t c = 25 c fig. 2 - typical output characteristics, t c = 150 c fig. 3 - typical transfer characteristics fig. 4 - normalized on-resistance vs. temperature
www.kersemi.com 4 irfr310, irfu310, sihfr310, sihfu310 fig. 5 - typical capacitance vs. drain-to-source voltage fig. 6 - typical gate charge vs. gate-to-source voltage fig. 7 - typical source-drain diode forward voltage fig. 8 - maximum safe operating area
www.kersemi.com 5 irfr310, irfu310, sihfr310, sihfu310 fig. 9 - maximum drain current vs. case temperature fig. 10a - switching time test circuit fig. 10b - switching time waveforms fig. 11 - maximum effective transient thermal impedance, junction-to-case fig. 12a - unclamped inductive test circui t fig. 12b - unclamped inductive waveforms p u lse w idth 1 s d u ty factor 0.1 % r d v gs r g d.u.t. 10 v + - v ds v dd v ds 90 % 10 % v gs t d(on) t r t d(off) t f r g i as 0.01 t p d.u.t. l v ds + - v dd 10 v v ary t p to o b tain re qu ired i as i as v ds v dd v ds t p
www.kersemi.com 6 irfr310, irfu310, sihfr310, sihfu310 fig. 12c - maximum avalanche energy vs. drain current fig. 13a - basic gate charge waveform fig. 13b - gate charge test circuit q gs q gd q g v g charge 10 v d.u.t. 3 ma v gs v ds i g i d 0.3 f 0.2 f 50 k 12 v c u rrent reg u lator c u rrent sampling resistors same type as d.u.t. + -
www.kersemi.com 7 irfr310, irfu310, sihfr310, sihfu310 fig. 14 - for n-channel p. w . period di/dt diode reco v ery d v /dt ripple 5 % body diode for w ard drop re-applied v oltage re v erse reco v ery c u rrent body diode for w ard c u rrent v gs = 10 v * v dd i sd dri v er gate dri v e d.u.t. i sd w a v eform d.u.t. v ds w a v eform ind u ctor c u rrent d = p. w . period + - + + + - - - * v gs = 5 v for logic le v el and 3 v dri v e de v ices peak diode recovery dv/dt test circuit v dd ? d v /dt controlled b y r g ? i sd controlled b y d u ty factor "d" ? d.u.t. - de v ice u nder test d.u.t. circ u it layo u t considerations ? lo w stray ind u ctance ? gro u nd plane ? lo w leakage ind u ctance c u rrent transformer r g
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