4ch升降压型白色LED驱动器 BD81A44MUV-M

BD81A44MUV-M是35V高耐压的白色LED驱动器。1chip中内置4ch恒电流输出,高达120mA/ch,最适合高亮度LED驱动。内置对应升降压电流模式的DC/DC控制器,对于电源电压变动,可实现稳定的动作。可通过PWM输入进行调光控制 (5000:1)

型号Status封装包装数量最小独立包装数量包装形态RoHS
BD81A44MUV-ME2供应中VQFN28SV505025002500TapingYes

BD81A44MUV-M 数据手册 Data Sheet

技术特性
TopologyBuck-Boost
Number of Outputs4
Vin(Min.)[V]4.5
Vin(Max.)[V]35.0
Output Current(Max.)[mA]480.0
Frequency(Max.)[MHz]2.2
LED Configuration4 x 8
DimmingPWM
Operating Temperature (Min.)[°C]-40
Operating Temperature (Max.)[°C]125
技术资料下载
产品特点
  • Integrated Buck-Boost current mode DC/DC controller
  • Integrated 4ch current driver for LED drive
  • 5000:1 PWM dimming @200Hz
  • External switching frequency synchronization
  • Built-In protection function
    (UVLO, OVP, OCP, SCP)
  • LED abnormality detection function (Open/Short)
  • Integrated VOUT discharge function
    (Buck-Boost or Buck structure limitation)
  • AEC-Q100 Qualified
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