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SY22654FAC (SY50183FAC)

Production
Single Stage BUCK PFC Constant-Voltage Regulator
Datasheet
SY22654FAC Single Stage BUCK PFC Constant-Voltage Regulator Datasheet
Part number SY22654FAC
Description Single stage buck CV PFC regulator with 500V/4.5Ω MOS, QR
Topology Buck
Dimming mode Non-dimming
PF (>) 0.9
Input type 120VAC, 230VAC
Iout (max) (A) 0.25
Pout (max) (W) 10
Package SO8
Application Buck CV, PFC

 

  • Integrated 500VMOSFET
  • Valley Turn-on to Achieve Low Switching Losses
  • Power Factor >0.9 with Single-Stage Conversion
  • Maximum Switching Frequency Limitation 100kHz
  • RoHS Compliant and Halogen Free
  • Compact Package: SO8

 

The SY22654 is a single stage high PF Buck regulator, targeting at Constant Voltage (CV) applications. It adopts the proprietary control architecture to achieve accurate output voltage. Quasi-resonant valley turn-on operation and adaptive PWM/PFM control are adopted to achieve high efficiency.

Evaluation Board

  • 2022-02-17_162620

    Photo of evaluation board

  • 2022-02-17_162645

    Photo of evaluation board

  • 2022-02-17_162701

    Photo of evaluation board

EVB_SY22654FAC

The EVB_SY22654FAC is intended for evaluating  AC 90~264V input, 50V/200mA output Buck Regulator For LED Lighting

Technical Documentation

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