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SY58561AAC

Production
Single Stage Buck PFC LED Driver Dimmable, High PF and Low BOM Cost
Datasheet
SY58561AAC Single Stage Buck PFC LED Driver Dimmable, High PF and Low BOM Cost Datasheet
Part number SY58561AAC
Description Single stage buck PFC LED driver with 350V/4.5Ω MOS, QR, and triac dimming
Topology Buck
Dimming mode Triac dimming
PF (>) 0.9
Input type 120VAC
Iout (max) (A) 0.32
Pout (max) (W) 10
Package SOT23-5
Application Buck, phase-cut dimming
  • Compatible with Leading Edge/Trailing Edge Dimmer
  • High PF without any Dimmer
  • 350V MOSFET Integrated
  • Quasi-Resonant Operation
  • Reliable Open/Short LED Protection
  • Thermal Fold Back
  • Low BOM Cost
  • Maximum Output Power:10W
  • RoHS Compliant and Halogen Free
  • Compact Package: SOT23-5

 

SY58561 is a single-stage Buck PFC driver for LED lighting applications. Good compatibility is achieved with Leading/Trailing edge dimmer and high PF is achieved without any dimmer.

SY58561 drives the converter in Quasi-Resonant mode to achieve high efficiency. Reliable Open/Short LED protections are integrated.

SY58561 integrates high voltage power FET inside to save driver space further.

SY58561 is available in SOT23-5 package.

Evaluation Board

  • 2026-04-30_153318

    Photo of evaluation board

  • 2026-04-30_153329

    Photo of evaluation board

EVB_SY58561AAC

The EVB_SY58561AAC is intended for evaluating Buck Regulator For LED Lighting

Technical Documentation

Title Date
Silergy_Catalog_Q2_2026 2026-06-12