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AP3156 - HIGH EFFICIENCY 1X/1.5X/2X CHARGE PUMP

General Description

The AP3156 is a low noise, constant frequency charge pump DC/DC converter that uses a tri-mode load switch (1X), fractional (1.5X), and doubling (2X) conversion to maximize efficiency for white LED applications.

Key Features

  • VIN Range: 2.7V to 5.5V Fully Programmable Current with Single Wire.
  • 32-Step Logarithmic Scale.
  • 20/25mA Max Current per Channel.
  • Four Low Current Settings Down to 50µA.
  • Low IQ (50µA) for Low Current Mode Tri-Mode 1X, 1.5X, and 2X Charge Pump for Maximum Efficiency and VF Coverage Drives up to Six Channels of LEDs Individual Main/Sub-Group Control No Inductors, Low Noise Operation 0.5/1/2MHz Constant Switching Frequency Small.

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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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AP3156 www.DataSheet4U.com HIGH EFFICIENCY 1X/1.5X/2X CHARGE PUMP FOR WHITE LED APPLICATIONS Features • • VIN Range: 2.7V to 5.5V Fully Programmable Current with Single Wire • 32-Step Logarithmic Scale • 20/25mA Max Current per Channel • Four Low Current Settings Down to 50µA • Low IQ (50µA) for Low Current Mode Tri-Mode 1X, 1.5X, and 2X Charge Pump for Maximum Efficiency and VF Coverage Drives up to Six Channels of LEDs Individual Main/Sub-Group Control No Inductors, Low Noise Operation 0.