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SY22646BFCC (SY8746BFCC)

Production
High Efficiency 60V, 0.8A, 350KHz Constant Current Step-down Regulator
Datasheet
SY22646BFCC High Efficiency 60V, 0.8A, 350KHz Constant Current Step-down Regulator Datasheet
Part number SY22646BFCC
Description Buck, Int. 60V/660mΩ MOS, ON/OFF dimming
Channel(#)
Topology Buck
Dimming mode
Fsw(kHz)
Vin (min) (V) 12
Vin (max) (V) 60
Iout (max) (A) 0.8
Package SO8E
Application DCDC Buck
  • Low RDS(ON) for Internal Switches :680mΩ
  • Input Range: 12V-60V
  • 350kHz Switching Frequency
  • 1.2A MOSFET Peak Current Limitation
  • Analog/PWM Dimming Available
  • Lower than 0.5% Deep Dimming Level
  • Adjustable Thermal Foldback Temperature
  • Dimming Resistor to Adjust Output Full Load
  • RoHS Compliant and Halogen Free
  • Compact Package: SO8E

 

SY22646B is a high efficiency, 12V-60V wide input voltage range DC/DC regulator targeting at LED lighting applications. The device integrates the low RDS(ON) MOSFET and internal compensation. Along with the small SO8E package, the device achieves an extremely small solution size for LED driver design. SY22646B also supports PWM dimming and Analog dimming function. 

Evaluation Board

  • 2022-02-22_093519

    Photo of evaluation board

  • 2022-02-22_093530

    Photo of evaluation board

  • 2022-02-22_093540

    Photo of evaluation board

EVB_SY22646BFCC

The EVB_SY22646BFCC is intended for evaluating High Efficiency, 60V, 0.8A, 350KHz Constant Current Step-down Regulator

 

Technical Documentation

Title Date
Silergy_Catalog_Q3_2026 2026-11-04
SO8E 2022-05-20