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SFL320 Datasheet High Power Factor Flyback Pwm Controller

Manufacturer: SiFirst

Overview: SFL320 High Power Factor Flyback PWM Controller.

Datasheet Details

Part number SFL320
Manufacturer SiFirst
File Size 434.63 KB
Description High Power Factor Flyback PWM Controller
Datasheet SFL320-SiFirst.pdf

General Description

SFL320 is a high power factor flyback PWM controller special for LED lighting applications.

The IC adopts transition mode (TM) operation for high efficiency and low EMI.

SFL320 wil

Key Features

  • Built-in Soft Start.
  • Very Low Startup Current.
  • Under Voltage Lockout with 7.7V Hysteresis.
  • VCC Over Voltage Protection (OVP).
  • Clear External EA Feedback Network before Power On.
  • Transition Mode (TM) Operation.
  • Highly Linear Analog Multiplier.
  • Proprietary “Frequency Adjusting” for Higher PF and Low THD.
  • 3.3us Min. OFF Time.
  • 270KHz Max Frequency Clamp.
  • Trimmed 1.5% Internal Voltage Reference.
  • Restart Timer for Stand-alone.

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SFL320 Distributor