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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 (10,000:1)

型号 | BD81A44MUV-ME2
Status | 供应中
封装 | VQFN28SV5050
包装数量 | 2500
最小独立包装数量 | 2500
包装形态 | Taping
RoHS | 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
  • 10,000:1 PWM dimming @100Hz
  • 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 (Grade 1)