HomeProductsDC LED DriversBacklight LED Drivers

SY22161QDC

Production
High Efficiency 6-string LED Driver with Build-in Boost Regulator
Datasheet
SY22161QDC High Efficiency 6-string LED Driver with Build-in Boost Regulator Datasheet
    Part NumberSY22161QDC
    Fsw (MHz)1
    Dimming ModePWM
    Channels1
    PackageQFN3x3-16
    Vin_min (V)4.5
    Vin_max (V)24
    Vo_max (V)
    Io_max (A)0.03
    Features / Special FunctionBoost+LDO
    ApplicationNotebook Backlight
    • Wide input voltage range: 4.5-24V
    • 1MHz fixed switching frequency
    • Integrated loop compensation
    • Drive up to 6 strings of LEDs with up to 11 LED per string
    • Minimum on time: 80ns typical
    • Minimum off time: 100ns typical
    • Over voltage protection
    • Low RDS(ON) of internal boost switch: 170mΩ
    • PWM dimming control: 0%~100%
    • 10000:1 PWM brightness control at 200Hz
    • ±2% current matching among strings guaranteed for above 10% dimming level
    • Programmable LED current: up to 30mA per string. ±3% accuracy
    • Internal softstart
    • Compact packages: QFN3x3-16

    Evaluation Board

    • 2022-02-09_160315

      Photo of evaluation board

    • 2022-02-09_160326

      Photo of evaluation board

    • 2022-02-09_160339

      Photo of evaluation board

    EVB_SY22161QDC

    The EVB_SY22161QDC is intended for evaluating High Efficiency 6-string LED Driver 

    with Build-in Boost Regulator

    Technical Documentation