SFL629 Datasheet PDF - SiFirst High Precision Offline PSR Power Switch Specs

SFL629 - High Precision Offline PSR Power Switch

Datasheet Summary

Description

SFL629 is a high performance, cost effective, highly integrated DCM (Discontinuous Conduction Mode) Primary Side Regulation (PSR) power switch for offline LED

Features

Built-in Power BJT Switch.
Very Few External Components.
Built-in Load and AC Line CC Compensation.
35KHz Frequency Clamping @ LED Short Circuit.
Primary Side Regulation (PSR) Control, No Secondary Feedback Circuit Required.
2% Precision (@Tj=25 ℃) Internal Reference Voltage for Constant Current (CC) Control.
Precision LED Output Voltage Clamp.
Compensate for Transformer Inductance Tolerances and Line Voltage Variation.
Built-in Soft Start.
Pins.

Datasheet Details

Part number	SFL629
Manufacturer	SiFirst
File Size	543.10 KB
Description	High Precision Offline PSR Power Switch
Datasheet	SFL629 Datasheet
Additional preview pages of the SFL629 datasheet.

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Full PDF Text Transcription

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SFL629 Cost Effective, High Precision Offline PSR Power Switch for LED Lighting FEATURES ◆ Built-in Power BJT Switch ◆ Very Few External Components ◆ Built-in Load and AC Line CC Compensation ◆ 35KHz Frequency Clamping @ LED Short Circuit ◆ Primary Side Regulation (PSR) Control, No Secondary Feedback Circuit Required ◆ 2% Precision (@Tj=25 ℃) Internal Reference Voltage for Constant Current (CC) Control ◆ Precision LED Output Voltage Clamp ◆ Compensate for Transformer Inductance Tolerances and Line Voltage Variation ◆ Built-in Soft Start ◆ Pins Floating Protection ◆ LED Open/Short Circuit Protection ◆ Cycle-by-Cycle Current Limiting ◆ Leading Edge Blanking (LEB) ◆ VDD Under Voltage Lockout (UVLO) ◆ Output Over Voltage Protection ◆ VDD Clamp APPLICATIONS ◆ AC/DC LED lighting GENERAL DESCRI

Published: Dec 19, 2018 |