SY5839 Single Stage Buck PFC Controller

Silergy

Description

Application Notes: AN_SY5839 Single Stage Buck PFC Controller For LED Lighting Preliminary datasheet General .
The SY5839 is a single stage Buck PFC controller targeting at LED lighting applications.

📥 Download Datasheet

SY5839 Datasheet Preview — Preview of SY5839 PDF

Datasheet Specifications

Part number: SY5839
Manufacturer: Silergy
File Size: 672.84 KB
Datasheet: SY5839-Silergy.pdf
Description: Single Stage Buck PFC Controller

Features

* Valley turn-on of the MOSFET to achieve low switching losses
* Power factor >0.90 with single-stage conversion.
* Low start up current: 15µ A typical
* Quick start up

Applications

* It is a primary side controller without applying any secondary feedback circuit for low cost, and drives the Flyback converter in the quasi-resonant mode to achieve higher efficiency. It keeps the Flyback converter in constant on time operation to achieve high power factor. It adopts special design

SY5839 Distributors

📁 Related Datasheet

SY58011U SY58012U SY58013U SY58016L SY58017U SY58018U

📌 All Tags

SY5839 Single Stage Buck PFC Controller Silergy

Silergy SY5839-like datasheet