IRFR310B / irfu310b IRFR310B / irfu310b 400v n-channel mosfet general description these n-channel enhancement mode power field effect transistors are produced using fairchild?s proprietary, planar, dmos technology. this advanced technology has been especially tailored to minimize on-state resistance, provide superior switching performance, and withstand high energy pulse in the avalanche and commutation mode. these devices are well suited for high efficiency switch mode power supplies and electronic lamp ballasts based on half bridge. features ? 1.7a, 400v, r ds(on) = 3.4 ? @v gs = 10 v ? low gate charge ( typical 7.7 nc) ? low crss ( typical 6.0 pf) ? fast switching ? 100% avalanche tested ? improved dv/dt capability absolute maximum ratings t c = 25c unless otherwise noted thermal characteristics symbol parameter IRFR310B / irfu310b units v dss drain-source voltage 400 v i d drain current - continuous (t c = 25c) 1.7 a - continuous (t c = 100c) 1.1 a i dm drain current - pulsed (note 1) 6.0 a v gss gate-source voltage 30 v e as single pulsed avalanche energy (note 2) 100 mj i ar avalanche current (note 1) 1.7 a e ar repetitive avalanche energy (note 1) 2.6 mj dv/dt peak diode recovery dv/dt (note 3) 5.5 v/ns p d power dissipation (t a = 25c) * 2.5 w power dissipation (t c = 25c) 26 w - derate above 25c 0.21 w/c t j , t stg operating and storage temperature range -55 to +150 c t l maximum lead temperature for soldering purposes, 1/8 " from case for 5 seconds 300 c symbol parameter typ max units r jc thermal resistance, junction-to-case -- 4.76 c / w r ja thermal resistance, junction-to-ambient * -- 50 c / w r ja thermal resistance, junction-to-ambient -- 110 c / w ! ! ! ! ! ! ! ! ! ! ! ! ? ? ? ? ! ! ! ! ! ! ! ! ! ! ! ! ? ? ? ? s d g i-pak irfu series d-pak irfr series gs d gs d www.kersemi.com
IRFR310B / irfu310b (note 4) (note 4, 5) (note 4, 5) (note 4) electrical characteristics notes: 1. repetitive rating : pulse width limited by maximum junction temperature 2. l = 61mh, i as = 1.7a, v dd = 50v, r g = 25 ?, starting t j = 25c 3. i sd 2.0a, di/dt 300a/ s, v dd bv dss, starting t j = 25c 4. pulse test : pulse width 300 s, duty cycle 2% 5. essentially independent of operating temperature symbol parameter test conditions min typ max units off characteristics bv dss drain-source breakdown voltage v gs = 0 v, i d = 250 a 400 -- -- v ? bv dss / ? t j breakdown voltage temperature coefficient i d = 250 a, referenced to 25c -- 0.4 -- v/c i dss zero gate voltage drain current v ds = 400 v, v gs = 0 v -- -- 10 a v ds = 320 v, t c = 125c -- -- 100 a i gssf gate-body leakage current, forward v gs = 30 v, v ds = 0 v -- -- 100 na i gssr gate-body leakage current, reverse v gs = -30 v, v ds = 0 v -- -- -100 na on characteristics v gs(th) gate threshold voltage v ds = v gs , i d = 250 a 2.0 -- 4.0 v r ds(on) static drain-source on-resistance v gs = 10 v, i d = 0.85 a -- 2.7 3.4 ? g fs forward transconductance v ds = 40 v, i d = 0.85 a -- 2.05 -- s dynamic characteristics c iss input capacitance v ds = 25 v, v gs = 0 v, f = 1.0 mhz -- 250 330 pf c oss output capacitance -- 30 40 pf c rss reverse transfer capacitance -- 6.0 8.0 pf switching characteristics t d(on) turn-on delay time v dd = 200 v, i d = 2.0 a, r g = 25 ? -- 6.0 20 ns t r turn-on rise time -- 25 60 ns t d(off) turn-off delay time -- 20 50 ns t f turn-off fall time -- 25 60 ns q g total gate charge v ds = 320 v, i d = 2.0 a, v gs = 10 v -- 7.7 10 nc q gs gate-source charge -- 1.5 -- nc q gd gate-drain charge -- 3.2 -- nc drain-source diode characteristics and maximum ratings i s maximum continuous drain-source diode forward current -- -- 1.7 a i sm maximum pulsed drain-source diode forward current -- -- 6.0 a v sd drain-source diode forward voltage v gs = 0 v, i s = 1.7 a -- -- 1.5 v t rr reverse recovery time v gs = 0 v, i s = 2.0 a, di f / dt = 100 a/ s -- 210 -- ns q rr reverse recovery charge -- 0.9 -- c www.kersemi.com
IRFR310B / irfu310b 0123456 0 2 4 6 8 10 12 v gs = 20v v gs = 10v $ note : t j = 25 % r ds(on) [ & ], drain-source on-resistance i d , drain current [a] 10 -1 10 0 10 1 10 -2 10 -1 10 0 v gs top : 15.0 v 10.0 v 8.0 v 7.0 v 6.5 v 6.0 v 5.5 v bottom : 5.0 v $ notes : 1. 250 ' s pulse test 2. t c = 25 % i d , drain current [a] v ds , drain-source voltage [v] 0.2 0.4 0.6 0.8 1.0 1.2 1.4 10 -1 10 0 150 % $ notes : 1. v gs = 0v 2. 250 ' s pulse test 25 % i dr , reverse drain current [a] v sd , source-drain voltage [v] 246810 10 -1 10 0 150 o c 25 o c -55 o c $ notes : 1. v ds = 40v 2. 250 ' s pulse test i d , drain current [a] v gs , gate-source voltage [v] 0.0 1.5 3.0 4.5 6.0 7.5 9.0 0 2 4 6 8 10 12 v ds = 200v v ds = 80v v ds = 320v $ note : i d = 2.0 a v gs , gate-source voltage [v] q g , total gate charge [nc] 10 -1 10 0 10 1 0 100 200 300 400 500 c oss c iss = c gs + c gd (c ds = shorted) c oss = c ds + c gd c rss = c gd $ notes : 1. v gs = 0 v 2. f = 1 mhz c rss c iss capacitance [pf] v ds , drain-source voltage [v] typical characteristics figure 5. capacitance characteristics figure 6. gate charge characteristics figure 3. on-resistance variation vs drain current and gate voltage figure 4. body diode forward voltage variation with source current and temperature figure 2. transfer characteristics figure 1. on-region characteristics www.kersemi.com
IRFR310B / irfu310b -100 -50 0 50 100 150 200 0.0 0.5 1.0 1.5 2.0 2.5 3.0 $ notes : 1. v gs = 10 v 2. i d = 1.0 a r ds(on) , (normalized) drain-source on-resistance t j , junction temperature [ o c] -100 -50 0 50 100 150 200 0.8 0.9 1.0 1.1 1.2 $ notes : 1. v gs = 0 v 2. i d = 250 ' a bv dss , (normalized) drain-source breakdown vol tage t j , junction temperature [ o c] 10 -5 10 -4 10 -3 10 -2 10 -1 10 0 10 1 10 -1 10 0 $ notes : 1. z ( jc (t) = 4.76 % /w m ax. 2. d uty factor, d=t 1 /t 2 3. t jm - t c = p dm * z ( jc (t) sin gle pu lse d=0.5 0.02 0.2 0.05 0.1 0.01 z ( jc (t), therm al r esponse t 1 , square w ave pulse duration [sec] 25 50 75 100 125 150 0.0 0.4 0.8 1.2 1.6 2.0 i d , drain current [a] t c , case temperature [ % ] 10 0 10 1 10 2 10 3 10 -2 10 -1 10 0 10 1 dc 10 ms 1 ms 100 s operation in this area is limited by r ds(on) $ notes : 1. t c = 25 o c 2. t j = 150 o c 3. single pulse i d , drain current [a] v ds , drain-source voltage [v] typical characteristics figure 9. maximum safe operating area figure 10. maximum drain current vs case temperature figure 7. breakdown voltage variation vs temperature figure 8. on-resistance variation vs temperature figure 11. transient thermal response curve t 1 p dm t 2 www.kersemi.com
IRFR310B / irfu310b charge v gs 10v q g q gs q gd 3ma v gs dut v ds 300nf 50k 200nf 12v same type as dut charge v gs 10v q g q gs q gd 3ma v gs dut v ds 300nf 50k 200nf 12v same type as dut v gs v ds 10% 90% t d(on) t r t on t off t d(off) t f v dd 10v v ds r l dut r g v gs v gs v ds 10% 90% t d(on) t r t on t off t d(off) t f v dd 10v v ds r l dut r g v gs e as =li as 2 ---- 2 1 -------------------- bv dss -v dd bv dss v dd v ds bv dss t p v dd i as v ds (t) i d (t) time 10v dut r g l i d t p e as =li as 2 ---- 2 1 e as =li as 2 ---- 2 1 ---- 2 1 -------------------- bv dss -v dd bv dss v dd v ds bv dss t p v dd i as v ds (t) i d (t) time 10v dut r g l l i d i d t p gate charge test circuit & waveform resistive switching test circuit & waveforms unclamped inductive switching test circuit & waveforms www.kersemi.com
IRFR310B / irfu310b peak diode recovery dv/dt test circuit & waveforms dut v ds + _ driver r g same type as dut v gs ? dv/dt controlled by r g ?i sd controlled by pulse period v dd l i sd 10v v gs ( driver ) i sd ( dut ) v ds ( dut ) v dd body diode forward voltage drop v sd i fm , body diode forward current body diode reverse current i rm body diode recovery dv/dt di/dt d = gate pulse width gate pulse period -------------------------- dut v ds + _ driver r g same type as dut v gs ? dv/dt controlled by r g ?i sd controlled by pulse period v dd l l i sd 10v v gs ( driver ) i sd ( dut ) v ds ( dut ) v dd body diode forward voltage drop v sd i fm , body diode forward current body diode reverse current i rm body diode recovery dv/dt di/dt d = gate pulse width gate pulse period -------------------------- d = gate pulse width gate pulse period -------------------------- www.kersemi.com
IRFR310B / irfu310b package dimensions 6.60 d-pak www.kersemi.com
IRFR310B / irfu310b package dimensions 6.60 i-pak www.kersemi.com
disclaimer fairchild semiconductor reserves the right to make changes without further notice to any products herein to improve reliability, function or design. fairchild does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights, nor the rights of others. life support policy fairchild?s products are not authorized for use as critical components in life support devices or systems without the express written approval of fairchild semiconductor corporation. as used herein: 1. life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, or (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. 2. a critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. product status definitions definition of terms datasheet identification product status definition advance information formative or in design this datasheet contains the design specifications for product development. specifications may change in any manner without notice. preliminary first production this datasheet contains preliminary data, and supplementary data will be published at a later date. fairchild semiconductor reserves the right to make changes at any time without notice in order to improve design. no identification needed full production this datasheet contains final specifications. fairchild semiconductor reserves the right to make changes at any time without notice in order to improve design. obsolete not in production this datasheet contains specifications on a product that has been discontinued by fairchild semiconductor. the datasheet is printed for reference information only. trademarks star*power is used under license acex? bottomless? coolfet? crossvolt ? densetrench? dome? ecospark? e 2 cmos? ensigna? fact? fact quiet series? fast ? fastr? frfet? globaloptoisolator? gto? hisec? isoplanar? littlefet? microfet? micropak? microwire? optologic? optoplanar? pacman? pop? power247? powertrench ? qfet? qs? qt optoelectronics? quiet series? slient switcher ? smart start? star*power? stealth? supersot?-3 supersot?-6 supersot?-8 syncfet? trutranslation? tinylogic? uhc? ultrafet ? www.kersemi.com
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