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SY22664FAC (SY5852FAC)

Production
Single Stage LED driver Dimmable, High PF and Low BOM Cost
Datasheet
SY22664FAC Single Stage LED driver Dimmable, High PF and Low BOM Cost Datasheet
Part number SY22664FAC
Description Single stage buck-boost PFC LED controller, QR, triac dimming
Topology Buck-boost
Dimming mode Triac dimming
PF (>) 0.9
Input type 120VAC, 230VAC
Iout (max) (A)
Pout (max) (W) 40
Package SO8
Application Buck-boost, phase-cut dimming
  • Compatible with Leading Edge/Trailing Edge Dimmer
  • High PF without any Dimmer, PF>0.9
  • Internal Dimming Curve 5%~100%
  • Quasi-Resonant Operation
  • Reliable Open/Short LED Protection
  • Thermal Fold Back
  • Low BOM Cost
  • RoHS Compliant and Halogen Free
  • Compact Package: SO8

 

SY22664 is a single-stage driver for LED lighting applications.

 

SY22664 adopts proprietary techniques to identify whether dimmer applied and dimmer types. Good compatibility is achieved with Leading/Trailing edge dimmer and high PF is achieved without any dimmer.

 

SY22664 drives the converter in Quasi-Resonant mode to achieve high efficiency. Reliable Open/Short LED protections are integrated.

 

SY22664 is available in SO8 package.

 

Evaluation Board

  • 2022-02-21_162641

    Photo of evaluation board

  • 2022-02-21_162649

    Photo of evaluation board

EVB_SY22664FAC

The EVB_SY22664FAC is intended for evaluating  AC 176~264V input, 39.74V/616mA output Buck-Boost/Flyback Regulator For LED Lighting

Technical Documentation

Title Date
Silergy_Catalog_Q2_2026 2026-06-12
SO8 2022-05-20