SF6562
High Performance Transition Mode PFC Controller
FEATURES
◆ Transition Mode (TM) Operation ◆ VCC Over
Voltage Protection (OVP) ◆ Proprietary Soft Start Control ◆ Proprietary “Frequency Adjusting” for Higher
PF and Low THD ◆ Highly Linear Analog Multiplier with THD
Optimizer ◆ Low Start-up Current and Operating Current ◆ Trimmed 1.
4% Internal
Voltage Reference ◆ High Precise Output Over
Voltage Protection
Threshold with Low Temperature Drift ◆ Under
Voltage Lockout with Hysteresis ◆ Restart Timer for Stand-alone Applications ◆ Disable Function ◆ Cycle-by-Cycle Current Limiting ◆ Built-in Leading Edge Blanking (LEB) ◆ Audio Noise Free Operation ◆ 10V to 31V Wide Range of VCC
Voltage
◆ ...