51494

51494 UNISONIC TECHNOLOGIES CO., LTD LINEAR INTEGRATED CIRCUIT „ DESCRIPTION The UTC 51494 is a monolithic bipolar integrate circuit that provides same 494 function and built in power good signal circuit for easy using 51494 can be easily implemented by just adding a capacitor. „ FEATURES * Fully integrated with compact 16-pin dip * All necessary functions included for most popular half bridge circuit. * Built-in power good delay and power fail lead function. * Power good delay time is linearly. * Proportional to external capacitor value. * Reduced external components for cost down and components for cost down and compact size. SOP-16 DIP-16 „ ORDERING INFORMATION Lead Free 51494L-S16-R 51494L-S16-T 51494L-D16-T Ordering Number Halogen Free 51494G-S16-R 51494G-S16-T 51494G-D16-T Package SOP-16 SOP-16 DIP-16 Packing Tape Reel Tube Tube www.unisonic.com.tw Copyright © 2012 Unisonic Technologies Co., LTD 1 of 5 QW-R103-005.Ba 51494 „ PIN ASSIGNMENT EA1+ EA1EA0 DT CT RT GND C1 1 2 3 4 5 6 7 8 LINEAR INTEGRATED CIRCUIT 16 EA2+ 15 EA214 VREF 13 P.G. 12 VCC 11 C2 10 CPG 9 GND PIN NAME FUNCTION 1 EA1+ Error amplifier noninverting input, same as pin 1 of 494 2 EA1- Error amplifier inverting input, same as pin 2 of 494 3 EA0 Error amplifier output and feedback, same as pin 3 of 494 4 DT Dead time control input, same as pin 4 of 494 5 CT Connect capacitor to oscillator circuit for operating frequency, same as pin 5 of 494 6 RT Connect resistor to oscillator circu...