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 •.
• 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.)
Rating
Symbol
Value
Unit
Power Supply Voltage Colle.
The TL494 device incorporates all the functions required in the construction of a pulse-widthmodulation (PWM) control ci.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | TL494C |
ON Semiconductor |
Switch mode Pulse Width Modulation Controller | |
2 | TL494C |
Texas Instruments |
Pulse-Width-Modulation Controller | |
3 | TL494CD |
Texas Instruments |
Pulse-Width-Modulation Controller | |
4 | TL494CDG |
ON Semiconductor |
Switch mode Pulse Width Modulation Controller | |
5 | TL494 |
ART CHIP |
SMPS Controller | |
6 | TL494 |
Motorola Inc |
PULSE WIDTH MODULATION CONTROLLER | |
7 | TL494 |
ON Semiconductor |
Switch mode Pulse Width Modulation Controller | |
8 | TL494 |
Fairchild Semiconductor |
SMPS Controller | |
9 | TL494 |
UTC |
PWM Controller | |
10 | TL494 |
HTC Korea |
Pulse-Width-Modulation Controller | |
11 | TL494 |
Texas Instruments |
Pulse-Width-Modulation Controller | |
12 | TL494B |
ON Semiconductor |
Switch mode Pulse Width Modulation Controller |