unisonic technologies co., ltd utd351 power mosfet www.unisonic.com.tw 1 of 6 copyright ? 2008 unisonic technologies co., ltd qw-r502-154.a n-channel enhancement mode ? description as n-channel logic level mosfet, utd351 has been optimized for battery power management applications. and it?s produced using utc?s trench process. ? symbol 2.gate 1.source 3.drain *pb-free plating product number: utd351l ? ordering information ordering number pin assignment normal lead free plating package 1 2 3 packing UTD351-AE3-R utd351l-ae3-r sot-23 s g d tape reel ? marking
utd351 power mosfet unisonic technologies co., ltd 2 of 5 www.unisonic.com.tw qw-r502-154.a ? absolute maximum ratings (t a = 25
, unless otherwise specified) parameter symbol ratings unit drain-source voltage v dss 30 gate-source voltage v gss 20 v continuous drain current (note 3) i d 1.4 pulsed drain current i dm 10 a power dissipation p d 0.5 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 operation is not implied. ? thermal data parameter symbol min typ max unit junction-to-ambient (note 3) ja 250 c/w junction-to-case jc 75 c/w ? electrical characteristics (t a =25c, unless otherwise specified) parameter symbol test conditions min typ max unit off characteristics drain-source breakdown voltage bv dss v gs =0 v, i d =250 a 30 v drain-source leakage current i dss v ds =24 v, v gs =0 v 1 a gate-source leakage current i gss v gs = 20v, v ds = 0 v 100 na breakdown voltage temperature coefficient ? bv dss / ? t j i d =250 a, referenced to 25c 26 mv/
on characteristics (note2) gate-threshold voltage v gs(th) v ds =v gs , i d =250 a 0.8 2.1 3 v v gs =10 v, i d =1.4 a 92 160 static drain?source on?resistance r ds(on) v gs =4.5 v, i d =1.2 a 120 250 m ? dynamic parameters input capacitance c iss 145 output capacitance c oss 35 reverse transfer capacitance c rss v ds =15 v, v gs =0v, f=1.0mhz 15 pf switching parameters (note2) turn-on delay time t d(on) 3 6 turn-on rise time t r 8 16 turn-off delay time t d(off) 16 29 turn-off fall-time t f v dd =15v, i d =1a, v gs =10v, r gen =6 ? 2 4 ns total gate charge q g 1.3 1.8 gate-source charge q gs 0.5 gate-drain charge q gd v ds =15 v,v gs =4.5 v,i d =1.4 a 0.5 nc source- drain diode ratings and characteristics maximum continuous drain-source diode forward current i s 0.42 a drain-source diode forward voltage v sd v gs = 0 v, i s = 0.42 a (note 2) 0.8 1.2 v reverse recovery time t rr 11 ns reverse recovery charge q rr i f = 1.4 a, d if /d t = 100 a/ s 4 nc notes: 1. pulse width limited by t j(max) 2. pulse width 300us, duty cycle 2%. 3. surface mounted on 1 in 2 copper pad of fr4 board; 250 /w when mounted on min.
utd351 power mosfet unisonic technologies co., ltd 3 of 5 www.unisonic.com.tw qw-r502-154.a ? typical characteristics drain current,i d (a) normalized drain-source on- resistance,r ds(on) normalized drain-source on- resistance,r ds(on) on-resistance,r ds(on) ( ? ) drain current,i d (a) reverse drain current,i s (a)
utd351 power mosfet unisonic technologies co., ltd 4 of 5 www.unisonic.com.tw qw-r502-154.a ? typical characteristics(cont.) gate-source voltage,v gs (v) capacitance (pf) p e a k t r a n s i e n t p o w e r , p ( p k ) ( w ) d r a i n c u r r e n t , i d ( a ) normalized effective transient thermal resistance,r(t)
utd351 power mosfet unisonic technologies co., ltd 5 of 5 www.unisonic.com.tw qw-r502-154.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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