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OCP8111A
1.
0A Buck/Boost Charge Pump LED Driver
◼ General Description
The OCP8111A is 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 OCP8111A automatically switches modes between step-up and step-down ensuring that LED current does not depend on the forward
voltage.
It switches at 1.
8MHz, allowing the use of tiny components.
The supply
voltage ranges from 2.
7V to 5.
5V and is ideally suited for all applications powered by a single Li_Ion battery cell or three to four NiCd, NiMH, or Alkaline battery cells.
The OCP8111A also feature...