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AK7864 - 3 channel LED driver

General Description

Charge Pump Circuit A necessary voltage for LED (Vf 4.8V or less) lighting is generated from the voltage supplied to VDD pin.

Please supply the generated power supply from CPOUT pin to external LED.

LED Driver Part This product generates has 3 channel LED driver to drive RGB con

Key Features

  • Operation Voltage.
  • Operating Temperature Range.
  • LED driver current 3.3V±5% 0 ~ 70℃ RED: 66mA (Adjustment external resister:22 ~ 66mA) GREEN: 66mA (Same as above, each channel is spec in absolute value. ) BLUE: 66mA (Same as above, each channel is spec in absolute value. ) Usable Vf MAX range of the LED is 4.8V. The resistance for the current regulation is usable in 1/16W -type.
  • 50% setting is an upper bound when 3ch becoming turning on at the same time.
  • 3ch indepe.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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[AK7864] AK7864 3 channel LED driver with Charge Pump Device Outline This product is include the charge pump power supply and include the 3 channel LED driver who drives the LED of the anode common in the constant current . The current to pass for each channel can be adjusted by the external resistance and the register setting. Also, it has the control pins which turn on or off the current. It is the best for the LED drive for the CIS sensor. Features ■ Operation Voltage ■ Operating Temperature Range ■ LED driver current 3.3V±5% 0 ~ 70℃ RED: 66mA (Adjustment external resister:22 ~ 66mA) GREEN: 66mA (Same as above, each channel is spec in absolute value.) BLUE: 66mA (Same as above, each channel is spec in absolute value.) Usable Vf MAX range of the LED is 4.8V.