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SP6686 - 400mA Buck/Boost Charge Pump LED Driver

General Description

The SP6686 is a current-regulated charge pump ideal for powering high brightness LEDs for camera flash applications.

The charge pump can be set to regulate two current levels for FLASH and TORCH modes.

Key Features

  • Output Current up to 400mA.
  • Up to 94% Efficiency in Torch Mode.
  • Adjustable FLASH Mode.
  • x1 and x2 Automatic Modes for High Efficiency.
  • Minimum External Components: No Inductors.
  • 2.4MHz High Frequency Operation.
  • 1μA Shutdown Current.
  • Built-In Soft Start Limit Inrush Current.
  • Output Overvoltage Protection.
  • Over current/Temperature Protection.
  • 10-pin 3mm x 3mm DFN Package.

📥 Download Datasheet

Datasheet Details

Part number SP6686
Manufacturer MaxLinear
File Size 0.99 MB
Description 400mA Buck/Boost Charge Pump LED Driver
Datasheet download datasheet SP6686 Datasheet

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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.

View original datasheet text
January 2020 SP6686 400mA Buck/Boost Charge Pump LED Driver Rev. 2.0.1 GENERAL DESCRIPTION The SP6686 is a current-regulated charge pump ideal for powering high brightness LEDs for camera flash applications. The charge pump can be set to regulate two current levels for FLASH and TORCH modes. The SP6686 automatically switches modes between step-up and step-down ensuring that LED current does not depend on the forward voltage. A low current sense reference voltage (50mV) allows the use of small 0603 current sensing resistors. The SP6686 is designed to operate from a single cell lithium-ion battery or fixed 3.3V or 5.