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

1. Complete Pulse Width Modulation Control Circuitry
2. On–Chip Oscillator with Master or Slave Operation
3. On–Chip Error Amplifiers
4. On–Chip 5.0 V Reference
5. Adjustable Deadtime Control
6. Uncommitted Output Transistors Rated to 500 mA Source or Sink
7. Output Control for Push–Pull or Single–Ended Operation
8. Undervoltage Lockout