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SY22645AFCC (SY8745AFCC)

Production
High Efficiency 60V, 2.0A, 500KHz Constant Current Step-down Regulator
Datasheet
SY22645AFCC High Efficiency 60V, 2.0A, 500KHz Constant Current Step-down Regulator Datasheet
Part number SY22645AFCC
Description Buck CC regulator with 60V/160mΩ MOS, analog/PWM dimming
Channel(#) 1
Topology Buck
Dimming mode PWM,Analog
Fsw(kHz) 500
Vin (min) (V) 10
Vin (max) (V) 60
Iout (max) (A) 1.5
Package SO8E
Application DC CC buck
  • Low RDS(ON) for internal switches :160mΩ
  • Input range: 12V-60V
  • 500kHz switching frequency
  • PWM/Analog dimming available
  • 2.0A LED current output
  • Compact package: SO8E
  • RoHS Compliant and Halogen Free
  • ±2% 100mV reference

SY22645A is a high efficiency, 12V-60V wide input voltage range DC/DC regulator targeting at LED 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. SY22645A also supports PWM dimming and Analog dimming function.

Evaluation Board

  • 2026-03-19_102116

    Photo of evaluation board

  • 2026-03-19_102129

    Photo of evaluation board

  • 2026-03-19_102137

    Photo of evaluation board

EVB_SY22645AFCC

The EVB_SY22645AFCC is intended for evaluating High Efficiency, 500KHz, 60V Step Down White LED Driver

Technical Documentation

Title Date
Silergy_Catalog_Q2_2026 2026-06-12