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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 | BD93941FP-E2
Status | 供应中
封装 | HSOP20
包装数量 | 2000
最小独立包装数量 | 2000
包装形态 | Taping
RoHS | 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