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SY5800 Datasheet Single Stage Flyback And Pfc Controller

Manufacturer: Silergy

Overview: SY5800 Single Stage Flyback And PFC Controller With Primary Side Control For LED Lighting Preliminary datasheet.

Datasheet Details

Part number SY5800
Manufacturer Silergy
File Size 368.57 KB
Description Single Stage Flyback And PFC Controller
Datasheet SY5800-Silergy.pdf

General Description

The SY5800 is a single stage Flyback and PFC controller that targets at LED lighting applications.

It receives the rectified AC input voltage up to 400V, and drives the Flyback converter in a quasi-resonant mode for high efficiency unified power factor applications.

Ordering Information SY5800 □(□□)□ Temperature Code Package Code Optional Spec Code Temperature Range: -40°C to 85°C Ordering Number SY5800FBC SY5800FAC Package type MSOP10 SO8 Note ------- Typical Applications

Key Features

  • Primary side control eliminate the opto-coupler.
  • Internal high current MOSFET driver: 1A sourcing and 2A sinking.
  • Low quiescent current at start up mode: 10uA typical.
  • 16V rising UVLO with 9V hysteresis.
  • Valley turn-on of the primary MOSFET to achieve low switching loss.
  • 0.5V max sense voltage on the primary side to minimize the conduction loss.
  • Reliable short LED and Open LED protection.
  • Good power factor(>0.90) with sin.

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SY5800 Distributor