Linear LED Drivers | CAT4004

LED 驱动器，恒定电流，4 沟道，带 EZDim™

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CAT4004 提供四个匹配的低漏电流源来驱动 LED。REST 模式下，外部电阻在 LED 沟道设置电流。每个 LED 沟道都包括一个单独的控制环路，使得该器件能够处理较宽的 LED 正向电压范围，同时保持紧密的电流匹配。 EN/DIM 逻辑输入支持器件启用和所有 LED 的电流设定的数字调光接口。可提供六种不同的电流调光比。 此器件适用于“直接驱动”电池应用。根据要求，电池或电压源有足够动态余量电压驱动 LED 正向电压和汲电流 (>150 mV)。

  • LCD Display Backlight
  • Mobile Phones
  • Digital Still Cameras
  • Four LED current sinks with tight matching
  • Low Dropout Driver 130 mV at 30 mA
  • No switching noise
  • Shutdown current < 1μA
  • LED current set by external resistor
  • Dimming via 1-wire EZDim™ interface
  • Thermal shutdown protection

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VI Max (V)

IO Max (mA)

LEDs in Series, Max #

LEDs in Parallel, Max #

Reference Price

CAT4004VP2-GT3

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CAD Model

Pb

A

H

P

TDFN-8

511AK

1

260

REEL

3000

N

5.5

100

4

4

Price N/A

More Details

CAT4004VP2-T3

Contact Sales

Consult Sales Office

CAD Model

Pb

A

H

P

TDFN-8

511AK

1

260

REEL

3000

N

5.5

100

4

4

Price N/A

More Details

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