TL494, NCV494 SWITCHMODE™ Pulse Width Modulation Control CircuitThe TL494 is a fixed frequency, pulse width modulation controlcircuit 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• 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 Siteand Control Changes• Pb−Free Packages are Available*