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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 VQFN28SV5050 2500 2500 Taping Yes
 
特性:
Topology Buck-Boost
Number of Outputs 4
Vin(Min.)[V] 4.5
Vin(Max.)[V] 35.0
Output Current(Max.)[mA] 480.0
Frequency(Max.)[MHz] 2.2
LED Configuration 4 x 8
Dimming PWM
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 125
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
 
 
New Products:
 
 
技术信息
Application Note

Thermal Resistance