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面向大屏幕的白色LED驱动器_BD9420F

BD9420F是白色LED用高效率驱动器,适用于大屏幕液晶驱动器。BD9420F内置了可向光源(LED串联连接的阵列)提供适当电压的DCDC转换器。BD9420F中内置了应对异常状态的几种保护功能。过电压保护(OVP: Over Voltage Protection)、过电流检测(OCP: Over Current limit Protection of DCDC)、短路电路保护(SCP: Short Circuit Protection)、开路保护(open detection of LED string)等。因此,可在更宽的输出电压条件及负载条件下使用。

* 本产品是标准级的产品。本产品不建议使用的车载设备。
型号
Status
封装
包装数量
最小独立包装数量
包装形态
RoHS
BD9420F-GE2 供应中 SOP28 1500 1500 Taping Yes
 
特性:
Topology Constant Current
Number of Outputs 6
Vin(Min.)[V] 9.0
Vin(Max.)[V] 35.0
Frequency(Max.)[MHz] 150.0
Integrated FET No
Dimming Analog
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
特点:
  • ·±2% LED current accuracy
    · Built-in DC/DC converter
    ·Analog Dimming function
    ·Built-in PWM-independent soft start circuit
    ·LED protection function
    ·Individual detection and individual LED OFF
    VOUT Over Voltage Protection(OVP) and reduced voltage protection(SCP) circuit
    ·Built-in UVLO and OVP
    ·Built-in VOUT discharge circuit
 
 
 
 
技术信息
Application Note

Thermal Resistance