unisonic technologies co., ltd 7n90 preliminary power mosfet www.unisonic.com.tw 1 of 6 copyright ? 2010 unisonic technologies co., ltd qw-r502-475.a 900v n-channel power mosfet ? description the utc 7n90 is an n-channel mode power fet using utc?s advanced technology to provide costumers with planar stripe and dmos technology. this technology specializes in allowing a minimum on-state resistance and superior switching performance. it also can withstand high energy pulse in the avalanche and commutation mode. the utc 7n90 is universally applied in active power factor correction, electronic lamp ballast based on half bridge topology and high efficient switched mode power supply. ? features * high switching speed * 7.0a, 900v, r ds(on) =1.8 ? @ v gs =10v * typically 40nc low gate charge * 100% avalanche tested * typically 17pf low c rss * improved dv/dt capability ? symbol d (2) g (1) s (3) ? ordering information ordering number pin assignment lead free halogen free package 1 2 3 packing 7N90L-TF1-T 7n90g-tf1-t to-220f1 g d s tube note: pin assignment: g: gate d: drain s: source
7n90 preliminary power mosfet unisonic technologies co., ltd 2 of 6 www.unisonic.com.tw qw-r502-475.a ? absolute maximum ratings parameter symbol ratings unit drain to source voltage v dss 900 v gate to source voltage v gss 30 v t c =25c 7.0 a continuous drain current t c =100c i d 4.4 a pulsed drain current (note 1) i dm 28 a avalanche current (note 1) i ar 6.4 a single pulsed avalanche energy (note 2) e as 780 mj repetitive avalanche energy (note 1) e ar 21 mj peak diode recovery dv/dt (note 3) dv/dt 4.0 v/ns power dissipation p d 32 w junction temperature t j +150 c storage temperature t stg -55 ~ +150 c note : absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? thermal data parameter symbol typ. max. unit junction-to-case jc 3.87 c/w junction-to-ambient ja 62.5 c/w ? electrical characteristics (t c =25c, unless otherwise specified)
7n90 preliminary power mosfet unisonic technologies co., ltd 3 of 6 www.unisonic.com.tw qw-r502-475.a parameter symbol test conditions min typ max unit off characteristics drain-source breakdown voltage bv dss v gs =0v, i d =250a 900 v breakdown voltage temperature coefficient bv dss / t j i d =250 a, referenced to 25c 0.96 v/c v ds =900v, v gs =0v 10 a drain-source leakage current i dss v ds =720v, t c =125c 100 a forward i gss v ds =0v ,v gs =30v 100 na gate-source leakage current reverse i gss v ds =0v ,v gs =-30v -100 na on characteristics gate threshold voltage v gs(th) v ds =v gs , i d =250a 3.0 5.0 v drain-source on-state resistance r ds(on) v gs =10v, i d =3.5a 1.5 1.8 ? forward transconductance g fs v ds =50v, i d =3.5a (note 4) 5.7 s dynamic parameters input capacitance c iss 1440 1880 pf output capacitance c oss 140 185 pf reverse transfer capacitance c rss v ds =25v,v gs =0v,f=1.0mhz 17 23 pf switching parameters total gate charge q g 40 52 nc gate-source charge q gs 8.5 nc gate-drain charge q gd v ds =720v, v gs =10v, i d =7.0a (note 4,5) 20 nc turn-on delay time t d(on) 35 80 ns turn-on rise time t r 80 170 ns turn-off delay time t d(off) 95 200 ns turn-off fall time t f v dd =450v, i d =7.0a, r g =25 ? (note 4.,5) 55 120 ns source- drain diode ratings and characteristics maximum body-diode continuous current i s 6.4 a maximum body-diode pulsed current i sm 25.6 a drain-source diode forward voltage v sd i s =7.0a, v gs =0v 1.4 v body diode reverse recovery time t rr 400 ns body diode reverse recovery charge q rr v gs =0v, i s =7.0a, di f /dt=100a/ s (note 4) 4.3 c notes : 1. repetitive rating : pulse width limited by maximum junction temperature 2. l=30mh, i as =7.0a, v dd = 50v, r g =25 ? , starting t j =25c 3. i sd 7.0a, di/dt 200a/ 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 ? test circuits and waveforms
7n90 preliminary power mosfet unisonic technologies co., ltd 4 of 6 www.unisonic.com.tw qw-r502-475.a v ds + - dut r g dv/dt controlled by r g i sd controlled by pulse period v dd peak diode recovery dv/d t test circuit & waveforms same type as dut i sd v gs l v gs (driver) i sd (dut) v ds (dut) d= gate pulse width gate pulse period 10v di/dt body diode reverse current i rm body diode recovery dv/dt v dd v sd body diode forward voltage drop i fm , body diode forward current driver
7n90 preliminary power mosfet www.unisonic.com.tw 5 of 6 copyright ? 2010 unisonic technologies co., ltd qw-r502-475.a 50k ? 300nf dut v ds 10v 12v charge q gs q gd q g gate charge test circuit gate charge waveforms v gs v gs 200nf same type as dut 3ma 10v t p r g dut l v ds i d v dd unclamped inductive switching test circuit t p v dd i as bv dss i d (t) v ds (t) time e as = 2 1 li as 2 bv dss bv dss -v dd unclamped inductive switching waveforms
7n90 preliminary power mosfet unisonic technologies co., ltd 6 of 6 www.unisonic.com.tw qw-r502-475.a utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior writ ten consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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