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SY22651SFAP (SY5881SFAP)

Production
DC/DC Buck Controller For LED Dimming Lighting
Datasheet
SY22651SFAP DC/DC Buck Controller For LED Dimming Lighting Datasheet
Part number SY22651SFAP
Description CC, buck controller, analog dimming
Topology Buck
Dimming mode Analog, PWM
PF (>) 0.5
Input type 40 to 400VDC
Iout (max) (A)
Pout (max) (W) 500
Package SO8
Application Buck, PWM/Analog dimming
  • Linear Dimming Curve.  Wide Range Voltage Output
  • Optional Over Voltage Protection Mode
  • CV Mode for Bias Supply when VADIM=0V
  • Valley Turn-on to Achieve Low Switching Losses
  • Single Winding Inductor with Floating Topology
  • 200mA Sourcing Current and 600mA Sinking Current Drive Capability
  • Low Start up Current: 34μA Typical
  • Reliable Short LED and Open LED Protection
  • Reliable Short ISEN Resistor Protection
  • Compact Package: SO8

Evaluation Board

  • 2023-08-04_093935

    Photo of evaluation board

  • 2023-08-04_093947

    Photo of evaluation board

EVB_SY22651SFAP

The EVB_SY22651SFAP is intended for evaluating  AC 198~300V input, 80V/250mA output DC/DC Buck Controller  For LED Lighting 

Technical Documentation

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