![]() |
|
If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
Datasheet File OCR Text: |
hexfet ? power mosfet www.irf.com 1 AUIRF7484Q top view 8 12 3 4 5 6 7 d d d d g s a s s a absolute maximum ratingsstresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. these are stress ratings only; and functional operation of the device at these or any other condition beyond those indicated in the specifications is not implied. exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. the thermal resistance and power dissipation ratings are measured under board mounted and still air conditions. ambient temperature (t a ) is 25c, unless otherwise specified. automotive grade hexfet ? is a registered trademark of international rectifier. * qualification standards can be found at http://www.irf.com/ features ! " # "! ! $ % "& '# ! (!)* description !" # $ % & '' # !" ( ) ' & so-8 AUIRF7484Q v (br)dss 40v r ds(on) max. 10m ? i d 14a parameter units v ds drain-source voltage v i d @ t a = 25c continuous drain current i d @ t a = 70c continuous drain current a i dm pulsed drain current p d @t a = 25c power dissipation w linear derating factor w/c v gs gate-to-source voltage v e as single pulse avalanche energy (thermally limited) mj i ar avalanche current a e ar repetitive avalanche energy mj t j operating junction and c t stg storage temperature range thermal resistance parameter typ. max. units r ? jl junction-to-drain lead CCC 20 c/w r ? ja junction-to-ambient CCC 50 c/w max. 1411 110 40 -55 to + 150 2.5 0.02 see fig. 16c, 16d, 19, 20 8.0 230 downloaded from: http:/// AUIRF7484Q 2 www.irf.com repetitive rating; pulse width limited by max. junction temperature. pulse width ?? 400 s; duty cycle ?? surface mounted on 1 in square cu board. starting t j = 25c, l = 2.3mh, r g = 25 ? , i as = 14a. (see figure 12). i sd ? 14a, di/dt ? 140a/ s, v dd ?? v (br)dss , t j ? 150c. limited by t jmax , see fig.16c, 16d, 19, 20 for typical repetitive avalanche performance. s d g static electrical characteristics @ t j = 25c (unless otherwise specified) parameter min. typ. max. units v (br)dss drain-to-source breakdown voltage 40 CCC CCC v ? v (br)dss / ? t j breakdown voltage temp. coefficient CCC 0.040 CCC v/c CCC CCC 10 v gs(th) gate threshold voltage 1.0 CCC 2.0 v gfs forward transconductance 40 CCC CCC s i dss drain-to-source leakage current CCC CCC 20 CCC CCC 250 i gss gate-to-source forward leakage CCC CCC 200 gate-to-source reverse leakage CCC CCC -200 dynamic electrical characteristics @ t j = 25c (unless otherwise specified) parameter min. typ. max. units q g total gate charge CCC 69 100 q gs gate-to-source charge CCC 9.0 CCC q gd gate-to-drain ("miller") charge CCC 16 CCC t d(on) turn-on delay time CCC 9.3 CCC t r rise time CCC 5.0 CCC t d(off) turn-off delay time CCC 180 CCC t f fall time CCC 58 CCC c iss input capacitance CCC 3520 CCC c oss output capacitance CCC 660 CCC c rss reverse transfer capacitance CCC 76 CCC diode characteristics parameter min. typ. max. units i s continuous source current (body diode) i sm pulsed source current (body diode) v sd diode forward voltage CCC CCC 1.3 v t rr reverse recovery time CCC 59 89 ns t j = 25c,i f = 2.3a q rr reverse recovery charge CCC 110 170 nc di/dt = 100a/ s t on forward turn-on time intrinsic turn-on time is negligible (turn-on is dominated by ls+ld) v ds = v gs , i d = 250 a conditions v ds = 10v, i d = 14a i d = 14a v gs = 8.0v r ds(on) static drain-to-source on-resistance m ? conditions v gs = 0v, i d = 250 a reference to 25c, i d = 1ma v gs = 7.0v, i d = 14a t j = 25c, i s = 2.3a, v gs = 0v integral reverse p-n junction diode. conditions mosfet symbol showing the a pf ns nc v ds = 25v ? = 1.0mhz na a v ds = 40v, v gs = 0v v ds = 32v, v gs = 0v, t j = 125c v gs = 7.0v v gs = -8.0v v ds = 32v v dd = 20v i d = 1.0a r g = 6.2 ? v gs = 7.0v v gs = 0v 110 CCC CCC CCC CCC 2.3 downloaded from: http:/// AUIRF7484Q www.irf.com 3 !!" #$$% $! qualification information ? so-8 msl1 rohs compl ia nt yes esd machine model class m3 (+/- 300v) ?? aec-q101-002 human body model class h1c (+/- 2000v) ?? aec-q101-001 qualification level automotive (per aec-q101) comments: this part number(s) passed automotive qualification. irs industrial and consumer qualification level is granted by extension of the higher automotive level. charged device model class c5 (+/- 2000v) ?? aec-q101-005 moisture sensitivity level downloaded from: http:/// AUIRF7484Q 4 www.irf.com fig 3. typical transfer characteristics fig 2. typical output characteristics fig 1. typical output characteristics -60 -40 -20 0 20 40 60 80 100 120 140 160 0.0 0.5 1.0 1.5 2.0 t , junction temperature ( c) r , drain-to-source on resistance (normalized) j ds(on) v = i = gs d 10v 14a fig 4. normalized on-resistance vs. temperature 1.0 2.0 3.0 4.0 v gs , gate-to-source voltage (v) 0.10 1.00 10.00 100.00 1000.00 i d , d r a i n - t o - s o u r c e c u r r e n t ? ? ) t j = 25c t j = 150c v ds = 15v 20 s pulse width 0.1 1 10 100 v ds , drain-to-source voltage (v) 0.01 0.1 1 10 100 1000 10000 100000 i d , d r a i n - t o - s o u r c e c u r r e n t ( a ) 1.8v 20 s pulse width tj = 25c vgs top 7.5v 7.0v 4.5v 3.0v 2.5v 2.3v 2.0v bottom 1.8v 0.1 1 10 100 v ds , drain-to-source voltage (v) 0.1 1 10 100 1000 10000 i d , d r a i n - t o - s o u r c e c u r r e n t ( a ) 1.8v 20 s pulse width tj = 150c vgs top 7.5v 7.0v 4.5v 3.0v 2.5v 2.3v 2.0v bottom 1.8v downloaded from: http:/// AUIRF7484Q www.irf.com 5 fig 6. typical gate charge vs. gate-to-source voltage fig 5. typical capacitance vs. drain-to-source voltage fig 8. maximum safe operating area 0 10 20 30 40 50 60 70 80 0 1 2 3 4 5 6 7 8 q , total gate charge (nc) v , gate-to-source voltage (v) g gs i = d 14a v = 8v ds v = 20v ds v = 32v ds fig 7. typical source-drain diode forward voltage 1 10 100 v ds , drain-to-source voltage (v) 10 100 1000 10000 100000 c , c a p a c i t a n c e ( p f ) coss crss ciss v gs = 0v, f = 1 mhz c iss = c gs + c gd , c ds shorted c rss = c gd c oss = c ds + c gd 0 1 10 100 1000 v ds , drain-tosource voltage (v) 0.1 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 ) tc = 25c tj = 150c single pulse 1msec 10msec operation in this area limited by r ds (on) 100 sec 0.2 0.4 0.6 0.8 1.0 1.2 1.4 v sd , source-to-drain voltage (v) 0.10 1 10 100 1000 i s d , r e v e r s e d r a i n c u r r e n t ( a ) t j = 25c t j = 150c v gs = 0v downloaded from: http:/// AUIRF7484Q 6 www.irf.com fig 11. typical effective transient thermal impedance, junction-to-ambient fig 9. maximum drain current vs. case temperature 25 50 75 100 125 150 0 3 6 9 12 15 t , case temperature ( c) i , drain current (a) c d 0.1 1 10 100 0.0001 0.001 0.01 0.1 1 10 100 10 0 notes: 1. duty factor d = t / t 2. peak t = p x z + t 1 2 j dm thja a p t t dm 1 2 t , rectangular pulse duration (sec) thermal response (z ) 1 thja 0.01 0.02 0.05 0.10 0.20 d = 0.50 single pulse (thermal response) 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 ???? ??????? + - downloaded from: http:/// AUIRF7484Q www.irf.com 7 fig 13. typical on-resistance vs. drain current fig 12. typical on-resistance vs. gate voltage fig 14. typical threshold voltage vs. junction temperature typical power vs. time 0 2 04 06 08 01 0 01 2 0 i d , drain current (a) 8.60 8.70 8.80 8.90 9.00 9.10 9.20 9.30 9.40 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 ( m ? ) v gs = 7.0v 1.00 10.00 100.00 1000.00 time (sec) 0 10 20 30 40 50 p o w e r ( w ) 2.0 3.0 4.0 5.0 6.0 7.0 8.0 v gs, gate -to -source voltage (v) 8.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 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 ( m ? ) i d = 14a -75 -50 -25 0 25 50 75 100 125 150 t j , temperature ( c ) 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 v g s ( t h ) g a t e t h r e s h o l d v o l t a g e ( v ) i d = 250 a downloaded from: http:/// AUIRF7484Q 8 www.irf.com 25 50 75 100 125 150 0 104 208 312 416 520 starting tj, junction temperature ( c) e , single pulse avalanche energy (mj) as i d top bottom 6.3a 11a 14a 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 17. gate charge test circuit fig 18. basic gate charge waveform fig 16a. maximum avalanche energy vs. drain current fig 16d. unclamped inductive waveforms fig 16c. 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 downloaded from: http:/// AUIRF7484Q www.irf.com 9 fig 19. typical avalanche current vs.pulsewidth fig 20. maximum avalanche energy vs. temperature notes on repetitive avalanche curves , figures 15, 16:(for further info, see an-1005 at www.irf.com) 1. avalanche failures assumption: purely a thermal phenomenon and failure occurs at a temperature far in excess of t jmax . this is validated for every part type.2. safe operation in avalanche is allowed as long ast jmax is not exceeded. 3. equation below based on circuit and waveforms shown in figures 12a, 12b. 4. p d (ave) = average power dissipation per single avalanche pulse.5. bv = rated breakdown voltage (1.3 factor accounts for voltage increase during avalanche). 6. i av = allowable avalanche current. 7. ? t = allowable rise in junction temperature, not to exceed t jmax (assumed as 25c in figure 15, 16). t av = average time in avalanche. d = duty cycle in avalanche = t av f z thjc (d, t av ) = transient thermal resistance, see figure 11) p d (ave) = 1/2 ( 1.3bvi av ) = t/ z thjc i av = 2 t/ [1.3bvz th ] e as (ar) = p d (ave) t av 1.0e-06 1.0e-05 1.0e-04 1.0e-03 1.0e-02 1.0e-01 1.0e+00 1.0e+01 1.0e+02 1.0e+03 tav (sec) 0.01 0.1 1 10 100 a v a l a n c h e c u r r e n t ( a ) 0.05 duty cycle = single pulse 0.10 allowed avalanche current vs avalanche pulsewidth, tav assuming ? tj = 25c due to avalanche losses 0.01 25 50 75 100 125 150 starting t j , junction temperature (c) 0 25 50 75 100 125 150 175 200 225 250 e a r , a v a l a n c h e e n e r g y ( m j ) top single pulse bottom 10% duty cycle i d = 14a downloaded from: http:/// AUIRF7484Q 10 www.irf.com so-8 package outlinedimensions are shown in millimeters (inches) so-8 part marking ! " ! #$$ ! %& % % !% |