DC-DC LED Drivers | CAT3604V

LED 驱动器，4 沟道

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CAT3604V 是一款高能效分数型电荷泵，最多可驱动四个 LED，输入电源电压低至 2.5V。 外部 RSET 电阻用于控制 LED 沟道亮度，沟道诊断包括了对于短路和开路 LED 沟道情况的自动检测，可确保 CAT3604V 在所有运行模式下保持在最高能效水平。 每个运行模式均使用恒定高频率开关方案，允许使用小型外部陶瓷电容器，同时提供最高 5.5 V 的卓越低噪声输入电源波纹性能。 EN 输入控制支持直接 PWM 调光，可应对超过 10kHz 的调光频率，因此提供极高分辨率亮度水平。 该器件采用 16 焊盘小巧的 0.8mm 薄款 QFN (4mm x 4mm)。

  • LCD Display Backlight
  • Mobile Phones
  • Digital Still Cameras
  • Quad-mode charge pump: 1x, 1.33x, 1.5x, 2x
  • Drives up to 4 LEDs at 30mA each
  • Pin compatible with industry standard ‘604
  • Open/short LED automatic detection
  • Power efficiency up to 92%
  • High resolution PWM dimming
  • Low noise supply ripple in all modes
  • Soft start and current limiting
  • Short circuit and thermal overload protection

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CAT3604VHV4-GT2

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Obsolete

CAD Model

Pb

A

H

P

TQFN-16

510AE

1

260

REEL

2000

N

Charge Pump

2.5

5.5

6

120

1000

Price N/A

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