SFL678 - AC/DC PSR Controller

The SFL678 by SiFirst is a AC/DC PSR Controller. Below is the official datasheet preview.

Datasheet Details

Part number	SFL678
Manufacturer	SiFirst
File Size	481.55 KB
Description	AC/DC PSR Controller
Datasheet	SFL678-SiFirst.pdf
Additional preview pages of the SFL678 datasheet.

SFL678 is a high performance AC/DC offline PSR (Primary Side Regulation) controller fo

Support Analog/PWM/TRIAC Dimming.
Proprietary “Extended Synchronous Dimming” to Achieve Larger than 1000:1 Dimming Range.
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.

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Published: Dec 19, 2018 |