Switch mode Pulse Width Modulation Control Circuit

The TL494 is a fixed frequency, pulse width modulation control circuit designed primarily for switch mode power supply control. Features • Complete Pulse Width Modulation Control Circuitry • On−Chip Oscillator with Master or Slave Operation • On−Chip Error Amplifiers • On−Chip 5.0 V Refere

Pulse-Width-Modulation Control Circuits

1 Features • Complete PWM Power-Control Circuitry • Uncommitted Outputs for 200-mA Sink or Source Current • Output Control Selects Single-Ended or Push-Pull Operation • Internal Circuitry Prohibits Double Pulse at Either Output • Variable Dead Time Provides Control Over Total Range • Int