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SY22175BFCC (SY8705BFCC)

Production
High Efficiency, 1MHz, 3A, 30V Step Down White LED Driver
Datasheet
SY22175BFCC High Efficiency, 1MHz, 3A, 30V Step Down White LED Driver Datasheet
Part number SY22175BFCC
Description Buck CC with 30V/100mΩ MOS,PWM dimming, small dimming scale accuracy
Channel(#) 1
Topology Buck
Dimming mode PWM
Fsw(kHz) 1000
Vin (min) (V) 2.8
Vin (max) (V) 30
Iout (max) (A) 3
Package SO8E
Application IR LED
  • Wide Input Range: 2.5-30 V
  • 1 MHz Switching Frequency
  • Very Low RON: 100mΩ
  • Enable and Dimming Control Available
  • 20kHz~1MHz Wide Dimming Frequency Range
  • Compact Package: SO8E
  • RoHS Compliant and Halogen Free

 

SY22175B is a high efficiency step down regulator capable of driving 3A white LED from up to 30V input. It integrates the low RON MOSFET and internal compensation. The 1MHz switching frequency allows the use of very small inductor.  

Evaluation Board

  • 2022-02-22_094539

    Photo of evaluation board

  • 2022-02-22_094551

    Photo of evaluation board

  • 2022-02-22_094603

    Photo of evaluation board

EVB_SY22175BFCC

The EVB_SY22175BFCC is intended for evaluating High Efficiency 1MHz, 3.0A, 30V Step Down White LED Driver

 

Technical Documentation

Title Date
Silergy_Catalog_Q2_2026 2026-06-12
SO8E 2022-05-20