unisonic technologies co., ltd 62784 preliminary linear integrated circuit www.unisonic.com.tw 1 of 5 copyright ? 2009 unisonic technologies co., ltd qw-r113-010.a 8ch high ? voltage source driver ? description the utc 62784 consists of eight source current transistor array combination and it is suitable for fluorescent display applications. the utc 62784 is ideal for uses, such as relay, hammer and lamp drivers. ? features * high output voltage: v cc = 50v (min.) * output current (singl e output):-500ma (min.) * output clamp diodes and single supply voltage * input compatible with kinds of types of logic * 6~15v pmos, cmos * halogen free sop-18 ? ordering information ordering number package packing 62784g-s18-r sop-18 tape reel
62784 preliminary linear integrated circuit unisonic technologies co., ltd 2 of 5 www.unisonic.com.tw qw-r113-010.a ? pin configuration ? schematics(each driver) r1 r2 r3 r4 r5 10k ? 20k ? 2.6k ? 10k ? 5k ? note: the input and output par asitic diodes cannot be used as clamp diodes ? pin description pin no. pin name description 1 i1 input of ch1 2 i2 input of ch2 3 i3 input of ch3 4 i4 input of ch4 5 i5 input of ch5 6 i6 input of ch6 7 i7 input of ch7 8 i8 input of ch8 9 v cc power supply 10 gnd ground 11 o8 output of ch8 12 o7 output of ch7 13 o6 output of ch6 14 o5 output of ch5 15 o4 output of ch4 16 o3 output of ch3 17 o2 output of ch2 18 o1 output of ch1
62784 preliminary linear integrated circuit unisonic technologies co., ltd 3 of 5 www.unisonic.com.tw qw-r113-010.a ? absolute maximum rating (ta = 25c) parameter symbol ratings unit supply voltage v cc 50 v input voltage v in 30 v clamp diode reverse voltage v r 50 v output current i out -500 ma/ch clamp diode forward current i f 500 ma power dissipation 960 mw derated above 25c p d 7.7 mw/c operating temperature t opr -40~+85 c storage temperature t stg -55~+150 c note: absolute maximum ratings are those values be yond which the device coul d be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? recommended operating conditions (ta= -40 ~ +80c) parameter symbol test conditions min typ max unit supply voltage v cc 50 v duty=10% -180 ma/ch output current i out ta=85c, t j =120c, t p =25ms duty=50% -38 ma/ch input voltage v in 24 v output on v in(on) 4.5 12.0 30 v input voltage output off v in(off) 0 2.0 v clamp diode reverse voltage v r 35 v clamp diode forward current i f 400 ma power dissipation p d 350 mw ? electrical characteristics (ta = 25c) parameter symbol test circuit test conditions min typ max unit output leakage current i cex 1 v cc = v cc( max) , v in = 0.4v 100 a v in = v in(on) , i out = -350ma 2.0 v v in = v in(on) , i out = -225ma 1.9 v output saturation voltage v ce(sat) 2 v in = v in(on) , i out = -100ma 1.8 v v in = 5v 92 130 a input current i in(on) 3 v in = 12v 790 1130 a supply current i cc(on) 3 v in = v in(on) , v cc = 50 v 2.5 ma/ch v in(on) i out = -350 ma 4.5 v input voltage v in(off) 4 i out = -500a 2.0 v clamp diode reverse current i r 5 v r = 50v 50 a clamp diode forward voltage v f 6 i f = 350ma 2.0 v turn-on delay t on 0.15 s turn-off delay t off 7 v cc = v cc(max) , r l = 125 ? c l = 15pf, r l = 88 ? 1.8 s
62784 preliminary linear integrated circuit unisonic technologies co., ltd 4 of 5 www.unisonic.com.tw qw-r113-010.a ? test circuits 1. i cex 2. v ce(sat) v in i cex v cc v in i out v cc v ce(sat) 3. i in(on) , i cc 4. v in(on) , v in(off) 5. i r 6. v f v f i f open 7. t on , t off input output 50% 50% 50% 50% 50s t on t off v ol v oh 0 v ih notes: 1. pulse width 50 s, dut y cycle 10% output impedance 50 ? , t r 5ns, t f 10ns 2. c l includes probe and jig capacitance ? precautions for using this circuit does not integrate protection circuits such as over-current and overvoltage protectors. thus, the ic may be damaged if excess current or voltage is occurred to the ic. make sure the ic design is fine so that excess current or volta ge will not be applied to the ic. you must take extreme care to the design of t he output line, v cc and gnd line because ic may be destroyed under the condition of short-circuit between outputs, air contamination fa ult, or fault by improper grounding.
62784 preliminary linear integrated circuit unisonic technologies co., ltd 5 of 5 www.unisonic.com.tw qw-r113-010.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 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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