Tuesday, November 15, 2016

TL494 PWM chip

Fixed frequency PWM Control Circuit for SMPS.
Specification:
- Power supply: 7 - 40 VDC.
- Collector output voltage: max. 40 V.
- Collector output current: max. 200 mA.
- Oscillator freq. : 1 ?? 200 kHz.
- On-chip reference voltage: 5,0V.
- On-chip oscillator and error amplifier.
- Output control and adjustable deadtime control.
- Undervoltage lockout (typ. Vth = 6,43V).