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s d g parameter typ. max. units r jc junction-to-case ??? 1.4 r ja case-to-ambient (pcb mount)** ??? 50 c/w r ja junction-to-ambient ??? 110 thermal resistance v dss = 55v r ds(on) = 0.027 ? i d = 42a
12/7/04 www.irf.com 1 d-pak to-252aa i-pak to-251aa logic-level gate drive ultra low on-resistance surface mount (irlr2905) straight lead (irlu2905) advanced process technology fast switching fully avalanche rated fifth generation hexfets from international rectifier utilize advanced processing techniques to achieve the lowest possible on-resistance per silicon area. this benefit, combined with the fast switching speed and ruggedized device design that hexfet power mosfets are well known for, provides the designer with an extremely efficient device for use in a wide variety of applications. the d-pak is designed for surface mounting using vapor phase, infrared, or wave soldering techniques. the straight lead version (irfu series) is for through-hole mounting applications. power dissipation levels up to 1.5 watts are possible in typical surface mount applications. ** when mounted on 1" square pcb (fr-4 or g-10 material ) . for recommended footprint and soldering techniques refer to application note #an-994 parameter max. units i d @ t c = 25c continuous drain current, v gs @ 10v 42 i d @ t c = 100c continuous drain current, v gs @ 10v 30 a i dm pulsed drain current 160 p d @t c = 25c power dissipation 110 w linear derating factor 0.71 w/c v gs gate-to-source voltage 16 v e as single pulse avalanche energy 210 mj i ar avalanche current 25 a e ar repetitive avalanche energy 11 mj dv/dt p eak diode recovery dv/dt 5.0 v/ns t j operating junction and -55 to + 175 t stg storage temperature range soldering temperature, for 10 seconds 300 (1.6mm from case ) c
pd- 95084a lead-free

2 www.irf.com s d g parameter min. typ. max. units conditions i s continuous source current mosfet symbol (body diode) ??? ??? showing the i sm pulsed sourc e current integral reverse (body diode) ??? ??? p-n junction diode. v sd diode forward voltage ??? ??? 1.3 v t j = 25c, i s = 25a, v gs = 0v t rr reverse recovery time ??? 80 120 ns t j = 25c, i f = 25a q rr reverse recovery charge ??? 210 320 nc di/dt = 100a/s t on forward turn-on time intrinsic turn-on time is negligible (turn-on is dominated by l s +l d ) source-drain ratings and characteristics 42 160 v dd = 25v, starting t j = 25c, l =470h r g = 25 ? , i as = 25a. (see figure 12) repetitive rating; pulse width limited by max. junction temperature. ( see fig. 11 ) pulse width 300s; duty cycle 2%. this is applied for i-pak, l s of d-pak is measured between lead and center of die contact. uses irlz44n data and test conditions. i sd 25a, di/dt 270a/s, v dd v (br)dss , t j 175c notes: parameter min. typ. max. units conditions v (br)dss drain-to-source breakdown voltage 55 ??? ??? v v gs = 0v, i d = 250a ? v (br)dss / ? t j breakdown voltage temp. coefficient ??? 0.070 ??? v/c reference to 25c, i d = 1ma ??? ??? 0.027 v gs = 10v, i d = 25a ??? ??? 0.030 w v gs = 5.0v, i d = 25a ??? ??? 0.040 v gs = 4.0v, i d = 21a v gs(th) gate threshold voltage 1.0 ??? 2.0 v v ds = v gs , i d = 250a g fs forward transconductance 21 ??? ??? s v ds = 25v, i d = 25a ??? ??? 25 a v ds = 55v, v gs = 0v ??? ??? 250 v ds = 44v, v gs = 0v, t j = 150c gate-to-source forward leakage ??? ??? 100 na v gs = 16v gate-to-source reverse leakage ??? ??? -100 v gs = -16v q g total gate charge ??? ??? 48 i d = 25a q gs gate-to-source charge ??? ??? 8.6 nc v ds = 44v q gd gate-to-drain ("miller") charge ??? ??? 25 v gs = 5.0v, see fig. 6 and 13 t d(on) turn-on delay time ??? 11 ??? v dd = 28v t r rise time ??? 84 ??? ns i d = 25a t d(off) turn-off delay time ??? 26 ??? r g = 3.4 ?, v gs = 5.0v t f fall time ??? 15 ??? r d = 1.1 ?, see fig. 10 between lead, 6mm (0.25in.) from package and center of die contact c iss input capacitance ??? 1700 ??? v gs = 0v c oss output capacitance ??? 400 ??? pf v ds = 25v c rss reverse transfer capacitance ??? 150 ??? ? = 1.0mhz, see fig. 5 electrical characteristics @ t j = 25c (unless otherwise specified) nh i gss s d g l s internal source inductance ??? 7.5 ??? r ds(on) static drain-to-source on-resistance l d internal drain inductance 4.5 i dss drain-to-source leakage current caculated continuous current based on maximum allowable junction temperature; package limitation current = 20a.

www.irf.com 3 fig 4. normalized on-resistance vs. temperature fig 2. typical output characteristics fig 1. typical output characteristics fig 3. typical transfer characteristics 1 10 100 1000 0.1 1 10 100 i , drain-to-source current (a) d v , drain-to-source voltage (v) ds a 20s pulse width t = 25c j vgs top 15v 12v 10v 8.0v 6.0v 4.0v 3.0v bottom 2.5v 2.5v 1 10 100 1000 0.1 1 10 100 i , drain-to-source current (a) d v , drain-to-source voltage (v) ds a 20s pulse width t = 175c vgs top 15v 12v 10v 8.0v 6.0v 4.0v 3.0v bottom 2.5v 2.5v j 1 10 100 1000 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 t = 25c j gs v , gate-to-source voltage (v) d i , drain-to-source current (a) t = 175c j a v = 25v 20s pulse width ds 0.0 0.5 1.0 1.5 2.0 2.5 3.0 -60 -40 -20 0 20 40 60 80 100 120 140 160 180 j t , junction temperature (c) r , drain-to-source on resistance ds(on) (normalized) v = 10v gs a i = 41a d

4 www.irf.com fig 8. maximum safe operating area 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 0 400 800 1200 1600 2000 2400 2800 1 10 100 c, capacitance (pf) ds v , drain-to-source voltage (v) a v = 0v, f = 1mhz c = c + c , c shorted c = c c = c + c gs iss gs gd ds rss gd oss ds gd c iss c oss c rss 0 3 6 9 12 15 0 10203040506070 q , total gate charge (nc) g v , gate-to-source voltage (v) gs a for test circuit see figure 13 v = 44v v = 28v i = 25a ds ds d 10 100 1000 0.4 0.8 1.2 1.6 2.0 2.4 t = 25c j v = 0v gs v , source-to-drain voltage (v) i , reverse drain current (a) sd sd a t = 175c j 1 10 100 1000 1 10 100 v , drain-to-source voltage (v) ds i , drain current (a) operation in this area limited by r d ds(on) 10s 100s 1ms 10ms a t = 25c t = 175c single pulse c j

www.irf.com 5 fig 10a. switching time test circuit v ds 90% 10% v gs t d(on) t r t d(off) t f fig 10b. switching time waveforms
1 0.1 %
+ - fig 11. maximum effective transient thermal impedance, junction-to-case fig 9. maximum drain current vs. case temperature 25 50 75 100 125 150 175 0 10 20 30 40 50 t , case temperature ( c) i , drain current (a) c d limited by package 0.01 0.1 1 10 0.00001 0.0001 0.001 0.01 0.1 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)

6 www.irf.com q g q gs q gd v g charge d.u.t. v ds i d i g 3ma v gs .3 f 50k ? .2 f 12v current regulator same type as d.u.t. current sampling resistors + - fig 13b. gate charge test circuit fig 13a. basic gate charge waveform fig 12c. maximum avalanche energy vs. drain current fig 12b. unclamped inductive waveforms fig 12a. unclamped inductive test circuit 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 0 100 200 300 400 500 25 50 75 100 125 150 175 j e , single pulse avalanche energy (mj) as a starting t , junction temperature (c) i top 10a 17a bottom 25a v = 25v d dd

www.irf.com 7 p.w. period di/dt diode recovery dv/dt ripple 5% body diode forward drop re-applied voltage reverse recovery current body diode forward current v gs =10v v dd i sd driver gate drive d.u.t. i sd waveform d.u.t. v ds waveform inductor curent d = p. w . period + - + + + - - - fig 14. for n-channel hexfets

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8 www.irf.com

12 in the assembly line "a" as s embled on ww 16, 1999 example: with assembly this is an irfr120 lot code 1234 year 9 = 1999 dat e code we e k 16 part number logo international rectifier assembly lot code 916a irfu120 34 year 9 = 1999 dat e code or p = de s i gn at e s l e ad- f r e e product (opt ional) note: "p" in as sembly line pos ition i ndicates "l ead- f r ee" 12 34 week 16 a = assembly site code part number irf u120 line a logo lot code assembly int ernat ional rect if ier

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assembly example: with assembly this is an irfu120 year 9 = 1999 dat e code line a week 19 in the assembly line "a" as s embled on ww 19, 1999 lot code 5678 part number 56 irf u120 international logo rectifier lot code 919a 78 note: "p" in assembly line position indicates "lead-free" 56 78 assembly lot code rect ifier logo int ernat ional irfu120 part number we e k 19 dat e code year 9 = 1999 a = assembly site code p = de s i gn at e s l e ad- f r e e product (optional)

10 www.irf.com 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 . data and specifications subject to change without notice. 12/04

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 notes : 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
note: for the most current drawings please refer to the ir website at: http://www.irf.com/package/

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