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SP6686

Exar
Part Number SP6686
Manufacturer Exar
Description 400mA Buck/Boost Charge Pump LED Driver
Published Mar 23, 2017
Detailed Description August 2009 SP6686 400mA Buck/Boost Charge Pump LED Driver Rev. 2.0.0 GENERAL DESCRIPTION The SP6686 is a current-regu...
Datasheet PDF File SP6686 PDF File

SP6686
SP6686

Overview
August 2009 SP6686 400mA Buck/Boost Charge Pump LED Driver Rev.
2.
0.
0 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.
0V power rails and is available in a RoHS compliant, “green”/halogen free spa...


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