fairchild TL494 SMPS Controller Manual
User Manual
This document describes the features and characteristics of TL494, including internal stable 5V reference supply, output control, variable duty cycle control, etc.
Fairchild TL494 manuals
FAIRCHILD TL494 SMPS Controller handbook
Datasheet
TL494 is a chip used for the control circuit of PWM switching regulator. It has a 5V reference voltage circuit, two error amplifiers, flip flop, an output control circuit, a PWM comparator, a dead time comparator and an oscillator. This device can be operated in the switching frequency of 1KHz to 300KHz.