BD7757MWX
同步整流DCDC转换器 1.5A FLASH LED驱动器

BD7757MWX是同步整流升压DC/DC型1ch的1.5A FLASH LED驱动器。外接应用不需要整流用二极管,有助于实现高效率以及减少贴装面积。通过一线串行控制不仅可实现FLASH电流、TORCH电流的16级调节,还可调整计时器时间、UVLO阈值等。

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* 本产品是标准级的产品。
本产品不建议使用于车载设备。

主要规格

 
型号 | BD7757MWX-E2
Status | 推荐品
封装 | USON014X3020
包装数量 | 4000
最小独立包装数量 | 4000
包装形态 | Taping
RoHS | Yes

特性:

Topology

Boost

Vin(Min.)[V]

2.7

Vin(Max.)[V]

5

Total Output Current (Max.)[mA]

1500

Per Channel Drive(Max.)[mA]

1500

Number of Outputs

1

Vout(Max.)[V]

5.1

Switching Frequency (Max.)[MHz]

2

Data Input

UPIC

Integrated Switching FET

Yes

Operating Temperature (Min.)[°C]

-30

Operating Temperature (Max.)[°C]

85

Package Size [mm]

3x2 (t=0.6)

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特点:

  • Synchronous rectification step-up DC/DC converter.
  • Control of registers via Uni-Port Interface Control ++ (UPIC)
  • Maximum current of 1.5A in Flash mode (Low side LED Driver).
  • Lighting Mode Setup
    Flash Mode…1.5A (Max)
    Torch Mode…450mA (Max)
  • Variable LED current
  • Protection Circuits:
  • Over Current Protection Circuit (OCP)
  • Over Voltage Protection Circuit (OVP)
  • VOUT – GND Short Protection Circuit
  • LED Short / Open Protection Circuit
  • Under Voltage Lock Out Circuit (UVLO)
  • Thermal Shut Down Circuit (TSD)
  • Battery Drop Protection Circuit
  • Flash Timer Protection Circuit
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