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CAT3626 Datasheet Led Driver

Manufacturer: onsemi

Overview: CAT3626 LED Driver, Charge Pump, 6-Channel, I2Ct Interface.

General Description

The CAT3626 is a high efficiency 1x/1.5x fractional charge pump with programmable dimming current in six LED channels.

To ensure uniform brightness in LCD backlight applications, each LED channel delivers an accurate regulated current.

Low noise and input ripple is achieved by operating at a constant switching frequency of 1 MHz which allows the use of small external ceramic capacitors.

Key Features

  • Drives 6 LED Channels.
  • Independent Current on 3 Pairs of LEDs.
  • I2C Serial Interface Programming.
  • Adjustable Current to 32 mA in 0.5 mA Step.
  • Power Efficiency up to 91%.
  • Fractional Pump 1x/1.5x.
  • Low Noise Input Ripple.
  • Fixed High Frequency Operation 1 MHz.
  • “Zero” Current Shutdown Mode.
  • Soft Start and Current Limiting.
  • Short Circuit Protection.
  • Thermal Shutdown Protection.
  • These De.

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