UTCTL1451 - Unisonic Technologies

UTCTL1451 DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS

The UTC TL1451 incorporates on a single monolithic chip all the functions required in the construction of two pulsewidth-modulation (PWM) control circuits. Designed primarily for power supply control, the TL1451 contains an on-chip 2.5V regulator, two error amplifiers, an adjustable oscillator, two dead-time comparators, undervoltage lockout circuitry, and d.

Features

*Complete PWM Power control Circuitry
*Completely Synchronized Operation
*Internal Undervoltage Lockout Protection
*Wide Supply Voltage Range
*Internal Short-Circuit Protection
*Oscillator Frequency … 500kHz Max
*Variable Dead Time Provides Control Over Total Range
*Internal Regulator Provides a Stable 2.5V Reference Supply DIP-16 PIN CONFIGURATIONS CT RT ERROR AMPLIFIER 1 1 IN+ 1 IN- 1 2 3 4 5 6 7 8 16 15 REF SCP ERROR AMPLIFIER 2 14 2 IN+ 13 12 11 10 9 2 IN- 1 FEEDBACK 1 DTC 1 OUT GND 2 FEEDBACK 2 DTC 2 OUT Vcc UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R103-011,A UTC TL1451 BLOC.