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MAX1802

Part Number	MAX1802
Manufacturer	Maxim
Description	Digital Camera Step-Down Power Supply
Published	May 6, 2005
Detailed Description	19-1850; Rev 0; 10/00 Digital Camera Step-Down Power Supply General Description The MAX1802 provides a complete power-s...
Datasheet	MAX1802 PDF File

Overview

19-1850; Rev 0; 10/00 Digital Camera Step-Down Power Supply General Description The MAX1802 provides a complete power-supply solution for digital still cameras and video cameras by integrating two high-efficiency step-down DC-DC converters and three auxiliary step-up controllers.
This complete solution is targeted for applications that use either three to four alkaline cells or two lithium-ion (Li+) cells.
The main step-down DC-DC controller accepts inputs from 2.
5V to 11V and regulates a resistor-adjustable output from 2.
7V to 5.
5V.
It uses a synchronous rectifier to regulate the output with up to 94% efficiency.
An adjustable operating frequency (up to 1MHz) facilitates designs for optimu...

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