std4nb25 n - channel 250v - 0.95 w - 4a - dpak/ipak powermesh ? mosfet preliminary data n typical r ds(on) = 0.95 w n extremely high dv/dt capability n 100% avalanche tested n very low intrinsic capacitances n gate charge minimized n for trough-hole version contact sales office description using the latest high voltage mesh overlay ? process, stmicroelectronics has designed an advanced family of power mosfets with outstanding performances. the new patent pending strip layout coupled with the companys proprietary edge termination structure, gives the lowest r ds(on) per area, exceptional avalanche and dv/dt capabilities and unrivalled gate charge and switching characteristics. applications n switch mode power supplies (smps) n dc-ac converters for welding equipment and uninterruptible power supplies and motor drive ? internal schematic diagram february 2000 1 3 dpak to-252 (suffix "t4") absolute maximum ratings symbol parameter value unit v ds drain-source voltage (v gs = 0) 250 v v dgr drain- gate voltage (r gs = 20 k w ) 250 v v gs gate-source voltage 30 v i d drain current (continuous) at t c = 25 o c4a i d drain current (continuous) at t c = 100 o c2.5a i dm ( ) drain current (pulsed) 16 a p tot total dissipation at t c = 25 o c40w derating factor 0.32 w/ o c dv/dt( 1 ) peak diode recovery voltage slope 5.5 v/ns t stg storage temperature -65 to 150 o c t j max. operating junction temperature 150 o c ( ) pulse width limited by safe operating area ( 1 ) i sd 4 a , di/dt a 200 a/ m s, v dd v (br)dss , tj t jmax type v dss r ds(on) i d std4nb25 250 v < 1.1 w 4 a 3 2 1 ipak to-251 (suffix "-1") 1/6
thermal data r thj-case rthj-amb r thc-sink t l thermal resistance junction-case max thermal resistance junction-ambient max thermal resistance case-sink typ maximum lead temperature for soldering purpose 3.12 100 1.5 275 o c/w oc/w o c/w o c avalanche characteristics symbol parameter max value unit i ar avalanche current, repetitive or not-repetitive (pulse width limited by t j max) 4a e as single pulse avalanche energy (starting t j = 25 o c, i d = i ar , v dd = 50 v) 75 mj electrical characteristics (t case = 25 o c unless otherwise specified) off symbol parameter test conditions min. typ. max. unit v (br)dss drain-source breakdown voltage i d = 250 m a v gs = 0 250 v i dss zero gate voltage drain current (v gs = 0) v ds = max rating v ds = max rating t c = 125 o c 1 10 m a m a i gss gate-body leakage current (v ds = 0) v gs = 30 v 100 na on ( * ) symbol parameter test conditions min. typ. max. unit v gs(th) gate threshold voltage v ds = v gs i d = 250 m a 345v r ds(on) static drain-source on resistance v gs = 10v i d =2 a 0.95 1.1 w i d(on) on state drain current v ds > i d(on) x r ds(on)max v gs = 10 v 4a dynamic symbol parameter test conditions min. typ. max. unit g fs ( * ) forward transconductance v ds > i d(on) x r ds(on)max i d =2 a 0.7 1.6 s c iss c oss c rss input capacitance output capacitance reverse transfer capacitance v ds = 25 v f = 1 mhz v gs = 0 260 70 9 350 100 13 pf pf pf std4nb25 2/6
electrical characteristics (continued) switching on symbol parameter test conditions min. typ. max. unit t d(on) t r turn-on time rise time v dd = 125 v i d = 3 a r g = 4.7 w v gs = 10 v 9 9 13 13 ns ns q g q gs q gd total gate charge gate-source charge gate-drain charge v dd = 200 v i d = 6 a v gs = 10 v 12 7.5 3 17 nc nc nc switching off symbol parameter test conditions min. typ. max. unit t r(voff) t f t c off-voltage rise time fall time cross-over time v dd = 200 v i d = 6 a r g = 4.7 w v gs = 10 v 8 7 15 11 10 20 ns ns ns source drain diode symbol parameter test conditions min. typ. max. unit i sd i sdm ( ) source-drain current source-drain current (pulsed) 4 16 a a v sd ( * ) forward on voltage i sd = 6 a v gs = 0 1.5 v t rr q rr i rrm reverse recovery time reverse recovery charge reverse recovery current i sd = 6 a di/dt = 100 a/ m s v dd = 100 v t j = 150 o c 160 720 9 ns nc a ( * ) pulsed: pulse duration = 300 m s, duty cycle 1.5 % ( ) pulse width limited by safe operat ing area std4nb25 3/6
dim. mm inch min. typ. max. min. typ. max. a 2.2 2.4 0.086 0.094 a1 0.9 1.1 0.035 0.043 a3 0.7 1.3 0.027 0.051 b 0.64 0.9 0.025 0.031 b2 5.2 5.4 0.204 0.212 b3 0.85 0.033 b5 0.3 0.012 b6 0.95 0.037 c 0.45 0.6 0.017 0.023 c2 0.48 0.6 0.019 0.023 d 6 6.2 0.236 0.244 e 6.4 6.6 0.252 0.260 g 4.4 4.6 0.173 0.181 h 15.9 16.3 0.626 0.641 l 9 9.4 0.354 0.370 l1 0.8 1.2 0.031 0.047 l2 0.8 1 0.031 0.039 a c2 c a3 h a1 d l l2 l1 1 3 = = b3 b b6 b2 e g = = = = b5 2 to-251 (ipak) mechanical data 0068771-e std4nb25 4/6
dim. mm inch min. typ. max. min. typ. max. a 2.2 2.4 0.086 0.094 a1 0.9 1.1 0.035 0.043 a2 0.03 0.23 0.001 0.009 b 0.64 0.9 0.025 0.035 b2 5.2 5.4 0.204 0.212 c 0.45 0.6 0.017 0.023 c2 0.48 0.6 0.019 0.023 d 6 6.2 0.236 0.244 e 6.4 6.6 0.252 0.260 g 4.4 4.6 0.173 0.181 h 9.35 10.1 0.368 0.397 l2 0.8 0.031 l4 0.6 1 0.023 0.039 == d l2 l4 1 3 == b e == b2 g 2 a c2 c h a1 detail "a" a2 detail "a" to-252 (dpak) mechanical data 0068772-b std4nb25 5/6
information furnished is believed to be accurate and reliable. however, stmicroelectronics assumes no responsibility for the co nsequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of stmicroelectronics. specification mentioned in this pu blication are subject to change without notice. this publication supersedes and replaces all information previously supplied. stmicroelectron ics products are not authorized for use as critical components in life support devices or systems without express written approval of stmicr oelectronics. the st logo is a trademark of stmicroelectronics ? 1999 stmicroelectronics C printed in italy C all rights reserved stmicroelectronics group of companies australia - brazil - china - finland - france - germany - hong kong - india - italy - japan - malaysia - malta - morocco - singapore - spain - sweden - switzerland - united kingdom - u.s.a. http://www.st.com . std4nb25 6/6
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