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Switch mode Pulse Width Modulation Control Circuit
TL494, NCV494
The TL494 is a fixed frequency, pulse width modulation control circuit designed primarily for switch mode 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 Site
and Control Changes
• Pb−Free Packages are Available*
MAXIMUM RATINGS (Full operating ambient temperature range applies, unless otherwise noted.
TL494I Datasheet
