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www.irf.com 1 smps mosfet hexfet power mosfet benefits v dss r ds(on) max i d 30v 13m ? 61a absolute maximum ratings symbol parameter max. units v ds drain-source voltage 30 v v gs gate-to-source voltage 20 v i d @ t c = 25c continuous drain current, v gs @ 10v 61 i d @ t c = 70c continuous drain current, v gs @ 10v 51 a i dm pulsed drain current 244 p d @t c = 25c maximum power dissipation 87 w p d @t c = 70c maximum power dissipation 61 w linear derating factor 0. 59 mw/c t j , t stg junction and storage temperature range -55 to + 175 c parameter typ. max. units r jc junction-to-case ??? 1.73 r ja junction-to-ambient (pcb mount)* ??? 50 c/w r ja junction-to-ambient ??? 110 thermal resistance when mounted on 1" square pcb (fr-4 or g-10 material) . for recommended footprint and soldering techniques refer to application note #an-994 d-pak i-pak irfr3707 irfu3707 ultra-low r ds(on) very low gate impedance fully characterized avalanche voltage and current notes through are on page 9 high frequency dc-dc isolated converters with synchronous rectification for telecom and industrial use applications high frequency buck converters for computer processor power lead-free
irfr/u3707pbf 2 www.irf.com dynamic @ t j = 25c (unless otherwise specified) ns symbol parameter typ. max. units e as single pulse avalanche energy ??? 213 mj i ar avalanche current ??? 61 a avalanche characteristics s d g diode characteristics 61 244 symbol parameter min. typ. max. units conditions g fs forward transconductance 37 ??? ??? s v ds = 15v, i d = 49.6a q g total gate charge ??? 19 ??? i d = 24.8a q gs gate-to-source charge ??? 8.2 ??? nc v ds = 15v q gd gate-to-drain ("miller") charge ??? 6.3 ??? v gs = 4.5v q oss output gate charge ??? 18 27 v gs = 0v, v ds = 15v t d(on) turn-on delay time ??? 8.5 ??? v dd = 15v t r rise time ??? 78 ??? i d = 24.8a t d(off) turn-off delay time ??? 11.8 ??? r g = 1.8 ? t f fall time ??? 3.3 ??? v gs = 4.5v c iss input capacitance ??? 1990 ??? v gs = 0v c oss output capacitance ??? 707 ??? v ds = 15v c rss reverse transfer capacitance ??? 50 ??? pf ? = 1.0mhz v sd diode forward voltage symbol parameter min. typ. max. units conditions i s continuous source current mosfet symbol (body diode) ??? ??? showing the i sm pulsed source current integral reverse (body diode) ??? ??? p-n junction diode. ??? 0.88 1.3 v t j = 25c, i s = 31a, v gs = 0v ??? 0.8 ??? t j = 125c, i s = 31a, v gs = 0v t rr reverse recovery time ??? 39 59 ns t j = 25c, i f = 31a, v r =20v q rr reverse recovery charge ??? 49 74 nc di/dt = 100a/s t rr reverse recovery time ??? 42 63 ns t j = 125c, i f = 31a, v r =20v q rr reverse recovery charge ??? 62 93 nc di/dt = 100a/s parameter min. typ. max. units conditions v (br)dss drain-to-source breakdown voltage 30 ??? ??? v v gs = 0v, i d = 250a ? v (br)dss / ? t j breakdown voltage temp. coefficient ??? 0.027 ??? v/c reference to 25c, i d = 1ma ??? 9.7 13 v gs = 10v, i d = 15a ??? 13.2 17.5 v gs = 4.5v, i d = 12a v gs(th) gate threshold voltage 1.0 ??? 3.0 v v ds = v gs , i d = 250a ??? ??? 20 a v ds = 24v, v gs = 0v ??? ??? 100 v ds = 24v, v gs = 0v, t j = 125c gate-to-source forward leakage ??? ??? 200 v gs = 16v gate-to-source reverse leakage ??? ??? -200 na v gs = -16v static @ t j = 25c (unless otherwise specified) i gss i dss drain-to-source leakage current r ds(on) static drain-to-source on-resistance m ?
irfr/u3707pbf www.irf.com 3 fig 2. typical output characteristics fig 1. typical output characteristics fig 3. typical transfer characteristics fig 4. normalized on-resistance vs. temperature 0.1 1 10 100 v ds , drain-to-source voltage (v) 1 10 100 1000 i d , d r a i n - t o - s o u r c e c u r r e n t ( a ) 3.5v 20s pulse width tj = 25c vgs top 10.0v 9.0v 8.0v 7.0v 6.0v 5.0v 4.5v bottom 3.5v 10 100 1000 3.0 4.0 5.0 6.0 7.0 8.0 v = 15v 20s pulse width ds v , gate-to-source voltage (v) i , drain-to-source current (a) gs d t = 25 c j t = 175 c j -60 -40 -20 0 20 40 60 80 100 120 140 160 180 0.0 0.5 1.0 1.5 2.0 2.5 t , junction temperature ( c) r , drain-to-source on resistance (normalized) j ds(on) v = i = gs d 10v 61a 0.1 1 10 10 0 v ds , drain-to-source voltage (v) 1 10 100 1000 i d , d r a i n - t o - s o u r c e c u r r e n t ( a ) 3.5v 20s pulse width tj = 175c vgs top 10.0v 9.0v 8.0v 7.0v 6.0v 5.0v 4.5v bottom 3.5v
irfr/u3707pbf 4 www.irf.com fig 6. typical gate charge vs. gate-to-source voltage fig 5. typical capacitance vs. drain-to-source voltage fig 7. typical source-drain diode forward voltage fig 8. maximum safe operating area 1 10 100 0 500 1000 1500 2000 2500 3000 v , drain-to-source voltage (v) c, capacitance (pf) ds v c c c = = = = 0v, c c c f = 1mhz + c + c c shorted gs iss gs gd , ds rss gd oss ds gd c rss c oss c iss 0 10 20 30 40 0 2 4 6 8 10 q , total gate charge (nc) v , gate-to-source voltage (v) g gs i = d 24.8a v = 15v ds 0.1 1 10 100 1000 0.2 0.6 1.0 1.4 1.8 v ,source-to-drain voltage (v) i , reverse drain current (a) sd sd v = 0 v gs t = 25 c j t = 175 c j 1 10 100 1000 1 10 100 operation in this area limited by r ds(on) single pulse t t = 175 c = 25 c j c v , drain-to-source voltage (v) i , drain current (a) i , drain current (a) ds d 10us 100us 1ms 10ms
irfr/u3707pbf www.irf.com 5 fig 11. maximum effective transient thermal impedance, junction-to-ambient fig 9. maximum drain current vs. case temperature fig 10a. switching time test circuit v ds 9 0% 1 0% v gs t d(on) t r t d(off) t f fig 10b. switching time waveforms

1 0.1 %

+ -
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) 25 50 75 100 125 150 175 0 10 20 30 40 50 60 70 t , case temperature ( c) i , drain current (a) c d limited by package
irfr/u3707pbf 6 www.irf.com fig 13. on-resistance vs. gate voltage fig 12. on-resistance vs. drain current fig 15a&b. unclamped inductive test circuit and waveforms fig 15c. maximum avalanche energy vs. drain current d.u.t. v d s i d i g 3ma v gs .3 f 50k ? .2 f 12v current regulator same type as d.u.t. current sampling resistors + - q g q gs q gd v g charge t p v (br)dss i as r g i as 0.01 ? t p d.u.t l v ds + - v dd driver a 15v 20v fig 14a&b. basic gate charge test circuit and waveforms 0 50 100 150 200 250 i d , drain current ( a ) 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10 r d s ( o n ) , d r a i n - t o - s o u r c e o n r e s i s t a n c e ( ? ) vgs = 4.5v vgs = 10v 4.0 5.0 6.0 7.0 8.0 9.0 10.0 v gs, gate -to -source voltage (v) 0.009 0.010 0.011 0.012 0.013 r d s ( o n ) , d r a i n - t o - s o u r c e o n r e s i s t a n c e ( ? ) i d = 31a 25 50 75 100 125 150 175 0 100 200 300 400 500 600 starting t , junction temperature ( c) e , single pulse avalanche energy (mj) j as i d top bottom 10.1a 20.7a 24.8a
irfr/u3707pbf www.irf.com 7

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12 in the assembly line "a" as s embled on ww 16, 1999 example: wi t h as s e mb l y this is an irfr120 lot code 1234 year 9 = 199 9 dat e code we e k 16 part number logo internat ional rectifier as s e mb l y lot code 916a irf u120 34 year 9 = 1999 dat e code or p = de s i gnat e s l e ad-f r e e product (opt ional) note: "p" in as sembly line position i ndi cates "l ead- f r ee" 12 34 we e k 16 a = as s e mb l y s i t e code part number irf u120 line a logo lot code as s e mb l y internat ional rectifier
irfr/u3707pbf 8 www.irf.com # !"

# as s e mb l y example: with assembly this is an irfu120 ye ar 9 = 199 9 dat e code line a we e k 1 9 in the assembly line "a" as s embled on ww 19, 1999 lot code 5678 part numbe r 56 irf u120 international logo rectifier lot code 919a 78 note: "p" in as s embly line pos i ti on i ndi cates "l ead- f r ee" 56 78 as s e mb l y lot code rectifier logo international irfu120 part number we e k 19 dat e code year 9 = 1999 a = as s e mb l y s i t e code p = designates lead-free product (opt ional)
irfr/u3707pbf www.irf.com 9 repetitive rating; pulse width limited by max. junction temperature. starting t j = 25c, l = 0.7 mh r g = 25 ? , i as = 24.8 a. pulse width 300s; duty cycle 2%. calculated continuous current based on maximum allowable junction temperature. package limitation current is 30a
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tr 16.3 ( .641 ) 15.7 ( .619 ) 8.1 ( .318 ) 7.9 ( .312 ) 12.1 ( .476 ) 11.9 ( .469 ) feed direction feed direction 16.3 ( .641 ) 15.7 ( .619 ) trr trl n otes : 1 . controlling dimension : millimeter. 2 . all dimensions are shown in millimeters ( inches ). 3 . outline conforms to eia-481 & eia-541. notes : 1. outline conforms to eia-481. 16 mm 13 inch data and specifications subject to change without notice. ir world headquarters: 233 kansas st., el segundo, california 90245, usa tel: (310) 252-7105 tac fax: (310) 252-7903 visit us at www.irf.com for sales contact information . 12/04
note: for the most current drawings please refer to the ir website at: http://www.irf.com/package/

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