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 Reference

• Adjustable Deadtime Control

• Uncommitted Output Transistors Rated to 500 mA Source or Sink

• Output Control for Push−Pull or Single−Ended Operation

• Undervoltage Lockout

• NCV Prefix for Automotive and Other Applications Requiring Site

and Control Changes

• Pb−Free Packages are Available*