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| hexfet power mosfet plus schottky diode applicable directfet outline and substrate outline (see p.7,8 for details) fig 1. typical on-resistance vs. gate voltage fig 2. typical total gate charge vs. gate-to-source voltage click on this section to link to the appropriate technical paper. click on this section to link to the directfet website. surface mounted on 1 in. square cu board, steady state. t c measured with thermocouple mounted to top (drain) of part. repetitive rating; pulse width limited by max. junction temperature. starting t j = 25c, l = 1.21mh, r g = 50 , i as = 28a. directfet isometric rohs compliant containing no lead and bromide integrated monolithic schottky diode low profile (<0.7 mm) dual sided cooling compatible low package inductance optimized for high frequency switching ideal for cpu core dc-dc converters optimized for sync. fet socket of sync. buck converter low conduction and switching losses compatible with existing surface mount techniques 100% rg tested sq sx st mq mx mt mp description the irf6898mpbf combines the latest hexfet? power mosfet silicon technology with the advanced directfet tm packaging to achieve the lowest on-state resistance in a package that has the footprint of a so-8 and only 0.7 mm profile. the directfet package is compatible with existing layout geometries used in power applications, pcb assembly equipment and vapor phase, infra-red or convection sol dering techniques. application note an-1035 is followed regarding the manufacturing methods and processes. the directfet package allows dual sided cooling to maximize thermal transfer in power systems, improving previous best thermal resistance by 80%. the irf6898mpbf balances industry leading on-state resistance while minimizing gate charge along with low gate resistance to re duce both conduction and switching losses. this part contains an integrated schottky diode to reduce the qrr of the body drain diode furt her reducing the losses in a synchronous buck circuit. the reduced losses make this product ideal for high frequency/high efficiency dc-dc c onverters that power high current loads such as the latest generation of microprocessors. the irf6898mpbf has been optimized for paramete rs that are critical in synchronous buck converter?s sync fet sockets. dd g s s v dss v gs r ds(on) r ds(on) 25v max 16v max 0.8m @ 10v 1.2m @ 4.5v 2 4 6 8 10 12 14 16 v gs, gate -to -source voltage (v) 0.0 1.0 2.0 3.0 t y p i c a l r d s ( o n ) ( m ) i d = 35a t j = 25c t j = 125c absolute maximum ratings parameter units v ds drain-to-source voltage v v gs gate-to-source voltage i d @ t a = 25c continuous drain current, v gs @ 10v i d @ t a = 70c continuous drain current, v gs @ 10v a i d @ t c = 25c continuous drain current, v gs @ 10v i dm pulsed drain current e as single pulse avalanche energy mj i ar avalanche current a 28 473 max. 28 213 280 16 25 35 0 20406080100120 q g total gate charge (nc) 0 2 4 6 8 10 12 14 v g s , g a t e - t o - s o u r c e v o l t a g e ( v ) v ds = 20v v ds = 13v i d = 28a q g tot q gd q gs2 q rr q oss v gs(th) 41nc 15nc 4.7nc 66nc 43nc 1.6v pulse width 400 s; duty cycle 2%. d s g static @ t j = 25c (unless otherwise specified) parameter min. typ. max. units bv dss drain-to-source breakdown voltage 25 ??? ??? v ? v dss / t j breakdown voltage temp. coefficient ??? 0.02 ??? v/c r ds(on) static drain-to-source on-resistance ??? 0.8 1.1 ??? 1.2 1.6 v gs(th) gate threshold voltage 1.1 1.6 2.1 v v ds = v gs , i d = 100 a v gs(th) / t j gate threshold voltage coefficient ??? -4.9 ??? mv/c v ds = v gs , i d = 10ma i dss drain-to-source leakage current ??? ??? 500 a i gss gate-to-source forward leakage ??? ??? 100 na gate-to-source reverse leakage ??? ??? -100 gfs forward transconductance 175 ??? ??? s q g total gate charge ??? 41 62 q gs1 pre-vth gate-to-source charge ??? 15 ??? q gs2 post-vth gate-to-source charge ??? 4.7 ??? nc q gd gate-to-drain charge ??? 15 ??? q godr gate charge overdrive ??? 6.3 ??? see fig.15 q sw switch charge (q gs2 + q gd ) ??? 19.7 ??? q oss output charge ??? 43 ??? nc r g gate resistance ??? 0.3 ??? t d(on) turn-on delay time ??? 18 ??? t r rise time ???46??? t d(off) turn-off delay time ??? 24 ??? ns t f fall time ??? 19 ??? c iss input capacitance ??? 5435 ??? c oss output capacitance ??? 1780 ??? pf c rss reverse transfer capacitance ??? 359 ??? diode characteristics parameter min. typ. max. units i s continuous source current (body diode) a i sm pulsed source current (body diode) v sd diode forward voltage ??? ??? 0.75 v t rr reverse recovery time ??? 32 48 ns q rr reverse recovery charge ??? 66 99 nc m ??? ??? 35 ??? ??? 280 see fig.17 ? = 1.0mhz v gs = 4.5v i d = 28a di/dt = 300a/ s t j = 25c, i s = 28a, v gs = 0v showing the integral reverse p-n junction diode. t j = 25c, i f =28a v gs = 0v v ds = 13v i d = 28a v dd = 13v, v gs = 4.5v mosfet symbol r g = 1.8 v ds =13v, i d =28a conditions v ds = 16v, v gs = 0v conditions v gs = 0v, i d = 1.0ma i d = 10ma ( 25c-125c) v gs = 10v, i d = 35a v gs = 4.5v, i d = 28a v gs = 16v v gs = -16v v ds = 20v, v gs = 0v v ds = 13v used double sided cooling , mounting pad with large heatsink. mounted on minimum footprint full size board with metalized back and with small clip heatsink. r is measured at t j of approximately 90c. surface mounted on 1 in. square cu (still air). with small clip heatsink (still air) mounted on minimum footprint full size board with metalized back and with small clip heatsink (still air) fig 3. maximum effective transient thermal impedance, junction-to-ambient 1e-006 1e-005 0.0001 0.001 0.01 0.1 1 10 100 1000 t 1 , rectangular pulse duration (sec) 0.0001 0.001 0.01 0.1 1 10 100 t h e r m a l r e s p o n s e ( z t h j a ) 0.20 0.10 d = 0.50 0.02 0.01 0.05 single pulse ( thermal response ) notes: 1. duty factor d = t1/t2 2. peak tj = p dm x zthja + tc absolute maximum ratings parameter units p d @t a = 25c power dissipation w p d @t a = 70c power dissipation p d @t c = 25c power dissipation t p peak soldering temperature c t j operating junction and t stg storage temperature range thermal resistance parameter typ. max. units r ??? 60 r 12.5 ??? r 20 ??? c/w r ??? 1.6 r 1.0 w/c 0.017 270 -40 to + 150 max. 78 2.1 1.3 fig 5. typical output characteristics fig 4. typical output characteristics fig 6. typical transfer characteristics fig 7. normalized on-resistance vs. temperature fig 8. typical capacitance vs.drain-to-source voltage fig 9. typical on-resistance vs. drain current and gate voltage 0.1 1 10 100 v ds , drain-to-source voltage (v) 0.01 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 ) vgs top 10v 5.0v 4.5v 3.5v 3.0v 2.8v 2.5v bottom 2.3v 60 s pulse width tj = 25c 2.3v 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 ) vgs top 10v 5.0v 4.5v 3.5v 3.0v 2.8v 2.5v bottom 2.3v 60 s pulse width tj = 150c 2.3v 1.5 2.0 2.5 3.0 3.5 v gs , gate-to-source 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 ) t j = 150c t j = 25c t j = -40c v ds = 15v 60 s pulse width 1 10 100 v ds , drain-to-source voltage (v) 100 1000 10000 100000 c , c a p a c i t a n c e ( p f ) 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 c oss c rss c iss -60 -40 -20 0 20 40 60 80 100 120 140 160 t j , junction temperature (c) 0.6 0.8 1.0 1.2 1.4 1.6 t y p i c a l r d s ( o n ) ( n o r m a l i z e d ) i d = 35a v gs = 10v v gs = 4.5v 0 25 50 75 100 125 150 175 200 i d , drain current (a) 0.0 1.0 2.0 3.0 4.0 5.0 6.0 t y p i c a l r d s ( o n ) ( m ) t j = 25c vgs = 3.5v vgs = 4.5v vgs = 5.0v vgs = 7.0v vgs = 8.0v vgs = 10v vgs = 12v vgs = 15v fig 13. typical threshold voltage vs. junction temperature fig 12. maximum drain current vs. case temperature fig 10. typical source-drain diode forward voltage fig 11. maximum safe operating area fig 14. maximum avalanche energy vs. drain current 0.1 0.4 0.7 1.0 v sd , source-to-drain voltage (v) 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 = 150c t j = 25c t j = -40c v gs = 0v -75 -50 -25 0 25 50 75 100 125 150 t j , temperature ( c ) 1.0 1.5 2.0 2.5 t y p i c a l 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 = 10ma 25 50 75 100 125 150 starting t j , junction temperature (c) 0 200 400 600 800 1000 1200 1400 1600 1800 2000 e a s , s i n g l e p u l s e a v a l a n c h e e n e r g y ( m j ) i d top 1.7a 2.5a bottom 28a 25 50 75 100 125 150 t c , case temperature (c) 0 25 50 75 100 125 150 175 200 225 i d , d r a i n c u r r e n t ( a ) 0.01 0.1 1 10 100 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 ) ta = 25c tj = 150c single pulse 1msec 10msec operation in this area limited by r ds (on) 100 sec dc fig 15a. gate charge test circuit fig 15b. gate charge waveform fig 16b. unclamped inductive waveforms t p v (br)dss i as fig 16a. unclamped inductive test circuit fig 17b. switching time waveforms fig 17a. switching time test circuit r g i as 0.01 t p d.u.t l v ds + - v dd driver a 15v 20v vds vgs id vgs(th) qgs1 qgs2 qgd qgodr 1k vcc dut 0 l s 20k v ds 90% 10% v gs t d(on) t r t d(off) t f 1 0.1 % + - ! fig 18. " #$ #%&$ for hexfet power mosfets ? ? ? ! 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 ''' ''' + - + + + - - - ? "# $ % ? " ! & '(' ' ? $ )) ? '(' ' * " ( '' ' ' ! '' " ! $$" ()&** +,- $..$$ /% " ()& &$ $ $ $ $/$$.$ g s g=gate d=drain s=source s d d d d note: for the most current drawing please refer to ir website at http://www.irf.com/package 0 directfet part marking ! $$" ()&** +,- $..$$ /% " ()& &$ $ $ $ $/$$.$ gate marking part number logo batch number date code line above the last character of the date code indicates "lead-free" code a b c d e f g h j k l m r p max 0.250 0.201 0.156 0.018 0.028 0.028 0.056 0.033 0.017 0.039 0.095 0.023 0.003 0.007 max 6.35 5.05 3.95 0.45 0.72 0.72 1.42 0.84 0.42 1.01 2.41 0.595 0.080 0.17 min 6.25 4.80 3.85 0.35 0.68 0.68 1.38 0.80 0.38 0.88 2.28 0.535 0.020 0.08 min 0.246 0.189 0.152 0.014 0.027 0.027 0.054 0.032 0.015 0.035 0.090 0.021 0.001 0.003 dimensions metric imperial note: for the most current drawing please refer to ir website at http://www.irf.com/package 1 data and specifications subject to change without notice. this product has been designed and qualified for the consumer market. qualification standards can be found on ir?s web site. directfet tape & reel dimension (showing component orientation). note: controlling dimensions in mm std reel quantity is 4800 parts. (ordered as IRF6898MTRPBF). for 1000 parts on 7" reel, order irf6898mtr1pbf reel dimensions max n.c n.c 0.520 n.c n.c 0.724 0.567 0.606 imperial min 330.0 20.2 12.8 1.5 100.0 n.c 12.4 11.9 standard option (qty 4800) code a b c d e f g h max n.c n.c 13.2 n.c n.c 18.4 14.4 15.4 min 12.992 0.795 0.504 0.059 3.937 n.c 0.488 0.469 metric min 6.9 0.75 0.53 0.059 2.31 n.c 0.47 0.47 tr1 option (qty 1000) max n.c n.c 12.8 n.c n.c 13.50 12.01 12.01 min 177.77 19.06 13.5 1.5 58.72 n.c 11.9 11.9 metric max n.c n.c 0.50 n.c n.c 0.53 n.c n.c imperial loaded tape feed direction note: controlling dimensions in mm code a b c d e f g h imperial min 0.311 0.154 0.469 0.215 0.201 0.256 0.059 0.059 max 8.10 4.10 12.30 5.55 5.30 6.70 n.c 1.60 min 7.90 3.90 11.90 5.45 5.10 6.50 1.50 1.50 metric dimensions max 0.319 0.161 0.484 0.219 0.209 0.264 n.c 0.063 note: for the most current drawing please refer to ir website at http://www.irf.com/package ! !"!! # ! $ $! %!! &''((( )'(%!* ' revision history date comments 3/15/2013 updated header qrr from 32nc to 66nc on page1 |
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