HFC0300
Description
HFC0300 is a variable off-time controller that uses a fixed-peak-current technique to decrease its frequency as the load lightens.
Key Features
- Variable Off-Time, Current Mode Control
- Universal Main Supply Operation (85VAC to 265VAC)
- Frequency Foldback as Load Lightens
- Peak-Current pression to Reduce Transformer Noise
- Active-Burst Mode for Low Standby Power Consumption
- Internal High-Voltage Current Source
- Internal 200ns Leading Edge Blanking
- Thermal Shutdown (Auto Restart with Hysteresis)
- VCC Under-Voltage Lockout with Hysteresis
- Over-Voltage Protection on VCC Pin
Applications
- Standby Power Supply
