TL594 Precision Switchmode Pulse Width Modulation Control Circuit The TL594 is a fixed frequency, pulse width modulation control circuit designed primarily for Switchmode 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, 1.5% Accuracy • Adjustable Deadtime Control • Uncommitted Output Transistors Rated to 500 mA Source or Sink • Output Control for Push−Pull or Single−Ended Operation • Undervoltage Lockout • Pb−Free Packages are Available*