The TL494 is a fixed frequency, pulse width modulation control circuit designed primarily for SWITCHMODE power supply control. This device features:

• Complete Pulse Width Modulation Control Circuitry

• On–Chip Oscillator With Master Or Slave Operation

• On–Chip Error Amplifiers

• On–Chip 5 V Reference

• Adjustable Dead-Time Control

• Uncommitted Output Transistors Rated to 500 mA Source Or Sink

• Output Control For Push–pull Or Single–ended Operation

• Undervoltage Lockout