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SY5830B Datasheet Single Stage Flyback And Pfc Controller

Manufacturer: Silergy

Overview: Applications Note: SY5830B Single Stage Flyback And PFC Controller With Primary Side Control For LED Lighting.

Datasheet Details

Part number SY5830B
Manufacturer Silergy
File Size 479.53 KB
Description Single Stage Flyback And PFC Controller
Datasheet SY5830B-Silergy.pdf

General Description

The SY5830B is a single stage Flyback and PFC controller targeting at LED lighting 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.

Key Features

  • Primary side control eliminates the opto-coupler.
  • Valley turn-on of the primary MOSFET to achieve low switching loss.
  • Power factor >0.90 with single-stage conversion.
  • Reliable short LED and Open LED protection.
  • Quick start up.

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SY5830B Distributor