LED 驱动器,RGB,3 沟道

Obsolete

概览

CAT4103 是一款 3 沟道、线性恒定电流 LED 驱动器,适用于 RGB LED 控制,无需电感器,提供低噪声运行。高达 175 mA 的 LED 沟道电流通过单独的外部电阻进行独立编程。175 mA 时 0.4 V 的低输出电压运行可在多种供电电压范围内实现功效更佳的设计。三个 LED 引脚可兼容最高 25 V 的高电压,支持带有多个 LED 串联的应用。 高速 4 线 25 MHz 串行接口使用移位寄存器和锁存配置控制每个沟道。输出数据引脚允许对多个器件进行级联,并通过一个串行接口进行编程,且无需外部驱动器,也无需考虑计时。该器件还包括了间隔控制引脚 (BIN),可用于禁用所有沟道,而无论其接口如何。 该器件结合了高温关断保护,可在片温度超过 150°C 时禁用 LED 输出。

  • LCD Backlighting

  • Architectural Lighting

  • 3 independent current sinks rated to 25 V
  • LED current to 175 mA per channel set by separate external resistors
  • High-speed 25 MHz 4-wire serial interface
  • Buffered output drivers to ensure data integrity
  • Cascadable devices
  • Low dropout current source (0.4 V at 175 mA)
  • 3 V to 5.5 V logic supply
  • Thermal shutdown protection

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MSL Temp (°C)

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Reference Price

CAT4103V-GT2

Obsolete

CAD Model

Pb

A

H

P

SOIC-16

1

260

REEL

2000

N

5.5

525

8

3

Price N/A

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