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DC/DC型 面向大屏幕的白色LED驱动器_BD93941FP

BD93941FP是白色LED用高效率驱动器,适用于大屏幕液晶驱动器。BD93941FP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。BD93941FP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
BD93941FP-E2 供应中 HSOP20 2000 2000 Taping Yes
 
特性:
Topology Boost
Number of Outputs 4
Vin(Min.)[V] 9.0
Vin(Max.)[V] 35.0
Output Current(Max.)[mA] 200.0
Frequency(Max.)[MHz] 0.15
Dimming PWM
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
特点:
    • 4ch LED constant current driver and DC/DC converter
    • Maximum LED Current: 200mA
    • LED Feedback Voltage: 0.37V (@ADIM=2.5V)so lower heat. Adjustable Feed Back Voltage by following LED Current setting.
    • ±2% LED current accuracy (ADIM=2.5V, when each LED is set to 100mA)
    • Analog current (Linear) dimming at ADIM pin
    • LED pin rating 60V
    • Individual detection and individual LED OFF for both open and short circuits
    • Built-in ISET pin short-circuit protection circuit
    • Set Soft-Start time by external capacitor.
    • FET’s Gate (N pin) is driven by 5.8V swing
    • Built-in Vout discharge circuit for shutdown
    • Built-in Vout overvoltage protection (OVP) / reduced voltage protection (SCP) circuit
 
 
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技术信息
Application Note

Thermal Resistance