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SFL669 - High Precision AC/DC PSR Power Switch

Datasheet Summary

Description

SFL669 is a high precision AC/DC offline PSR (Primary Side Regulation) power switch for LED luminaries.

Features

  • Built-in 600V Power MOSFET.
  • Primary Side Regulation (PSR) Control, No Secondary Feedback Circuit Required.
  • 1% Precision (@Tj=25 ℃) Internal Reference Voltage for Constant Current (CC) Control.
  • Wide VDD Range (10 to 30V) Eases Flexible LED System Design.
  • Precision LED Output Voltage Clamp.
  • Compensate for Line Voltage Variation and Transformer Inductance Tolerance.
  • Built-in Soft Start.
  • All Pins Floating Protection.
  • LED Open/Short Circuit Protection.

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Datasheet preview – SFL669

Datasheet Details

Part number SFL669
Manufacturer SiFirst
File Size 533.64 KB
Description High Precision AC/DC PSR Power Switch
Datasheet download datasheet SFL669 Datasheet
Additional preview pages of the SFL669 datasheet.

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Full PDF Text Transcription

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Softwin swAides SFL669 High Precision AC/DC PSR Power Switch for LED Driver FEATURES ◆ Built-in 600V Power MOSFET ◆ Primary Side Regulation (PSR) Control, No Secondary Feedback Circuit Required ◆ 1% Precision (@Tj=25 ℃) Internal Reference Voltage for Constant Current (CC) Control ◆ Wide VDD Range (10 to 30V) Eases Flexible LED System Design ◆ Precision LED Output Voltage Clamp ◆ Compensate for Line Voltage Variation and Transformer Inductance Tolerance ◆ Built-in Soft Start ◆ All Pins Floating Protection ◆ LED Open/Short Circuit Protection ◆ PFM Control Eases EMI Design ◆ Cycle-by-Cycle Current Limiting ◆ Built-in Leading Edge Blanking (LEB) ◆ VDD Under Voltage Lockout (UVLO) ◆ Output Over Voltage Protection ◆ VDD OVP & Clamp GENERAL DESCRIPTION SFL669 is a high precision AC/DC offline
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