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