TL494B Datasheet Text
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
- plete 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
- Unmitted 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.)
Rating
Symbol
Value
Unit
Power Supply Voltage Collector Output Voltage
Collector Output Current (Each transistor) (Note 1)
VCC
42
V
VC1,
42
V
VC2
IC1, IC2
500 mA...
