Datasheet4U Logo Datasheet4U.com

SFL320 - High Power Factor Flyback PWM Controller

Datasheet Summary

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.

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.

📥 Download Datasheet

Datasheet preview – SFL320

Datasheet Details

Part number SFL320
Manufacturer SiFirst
File Size 434.63 KB
Description High Power Factor Flyback PWM Controller
Datasheet download datasheet SFL320 Datasheet
Additional preview pages of the SFL320 datasheet.

📁 Similar Datasheet

Other Datasheets by SiFirst
  • SFL330 - High Power Factor Flyback PWM Controller
  • SFL100 - Constant Voltage and Constant Current Controller
  • SFL629 - High Precision Offline PSR Power Switch
  • SFL668 - High Precision AC/DC PSR Controller
  • SFL669 - High Precision AC/DC PSR Power Switch
  • SFL678 - AC/DC PSR Controller
  • SFL900 - super-PFC/PSR Controller
  • SFL900B - super-PFC/PSR Controller

Full PDF Text Transcription

Click to expand full text
SFL320 High Power Factor Flyback PWM Controller 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.
Published: |