SiFirst SF6562
SF6562 is a transition mode (TM) power factor correction (PFC) controller for AC-DC switching mode power supply and lighting applications.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
● 800mA Drive Capability
● System Open Loop Protection
APPLICATIONS
● SMPS● Lighting Application
GENERAL DESCRIPTION
In