unisonic technologies co., ltd UTC4424 preliminary cmos ic www.unisonic.com.tw 1 of 4 copyright ? 2011 unisonic technologies co., ltd qw-r502-566.b 3a dual high-speed power mosfet drivers ? description the UTC4424 contains two independent 3a buffers which perform the function out=in in positive logic . ? features * high peak output current: 3a * power supply voltage: 4.5v to 18v * high capacitive load drive capability: 1800pf in 25 ns * short delay times: <40 ns (typ) * low supply current: with logic ?h? input ---3.5ma(max) with logic ?l? input ---350ua(max) * low output impedance: 3.5 ? (typ) ? ordering information ordering number lead free halogen free package packing UTC4424l-s16-r UTC4424g-s16-r sop-16 tape reel
UTC4424 preliminary cmos ic unisonic technologies co., ltd 2 of 4 www.unisonic.com.tw qw-r502-566.b ? pin configuration 7 6 5 4 3 2 1 14 13 12 10 11 15 16 nc ina nc gnd gnd nc inb nc outa vdd outb vdd outa outb 8 9 nc nc ? function table (each gate) input(ina or inb) output(outa or outb) h h l l ? functional block diagram 300mv 750ua input output vdd gnd
UTC4424 preliminary cmos ic unisonic technologies co., ltd 3 of 4 www.unisonic.com.tw qw-r502-566.b ? absolute maximum rating ( t a =25 , unless otherwise specified) parameter symbol ratings unit supply voltage v dd 22 v input voltage v (ina,inb) gnd - 5 ~ v dd +0.3 v note: absolute maximum ratings are those values be yond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? recommended operating conditions parameter symbol ratings unit supply voltage v dd 4.5 ~ 18 v operating temprature t opr -40 ~ 125 ? dc electrical characteristics (v dd =4.5v to 18v ,t a =25 ,unless otherwise specified) parameter symbol test conditions min typ max unit high v ih 2.4 v input voltage low v il 0.8 v input current i in 0v Q v in Q v dd -1 1 ua high v oh v dd -0.025 v output voltage low v ol 0.025 v high r oh i out =10ma,v dd =18v 2.8 5 ? output resistance low r ol i out =10ma,v dd =18v 3.5 5 ? peak output current i pk 3 a latch-up protection withstand reverse current i rev duty cycle Q 2%,t Q 300 usec >1.5 a v in =3v(both inputs) 1.5 2.5 ma power supply current i s v in =0v(both inputs) 0.15 0.25 ma ? switching characteristics (t a =25 , input: t r =t f Q 10ns, unless otherwise specified ) parameter symbol test conditions min typ max unit rise time t r v dd =18v,c l =1800pf 23 35 ns fall time t f v dd =18v,c l =1800pf 25 35 ns delay time t d1 v dd =18v,c l =1800pf 33 75 ns delay time t d2 v dd =18v,c l =1800pf 38 75 ns
UTC4424 preliminary cmos ic unisonic technologies co., ltd 4 of 4 www.unisonic.com.tw qw-r502-566.b ? test circuit and waveforms output c l 1800 pf definitions for test circuit 10% 90% 10% 0v propagation delay times v i vo 90% 10% 18v 5v 0v 90% note: cl includes probe and jig capacitance. input:100khz,square wave,t r =t f Q 10ns 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 written 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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