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AS1302

austriamicrosystems AG
Part Number AS1302
Manufacturer austriamicrosystems AG
Description 5V/30mA Adaptive Inductorless Boost Converter
Published Mar 14, 2010
Detailed Description Datasheet AS1302 5V/30mA Adaptive Inductorless Boost Converter www.DataSheet4U.com 1 General Description The AS1302 is...
Datasheet PDF File AS1302 PDF File

AS1302
AS1302

Overview
Datasheet AS1302 5V/30mA Adaptive Inductorless Boost Converter www.
DataSheet4U.
com 1 General Description The AS1302 is a 30mA inductorless boost converter using a double H-bridge charge-pump topology with two external flying capacitors.
The AS1302 charge pump features 1:2 and 2:3 operation modes as well as a 1:1 operation mode where the input is directly connected to the output.
The AS1302 runs on a 1.
2MHz fixed frequency and is utilized with a low noise regulation scheme to allow usage together with sensitive RF circuitry from the same battery supply.
Additionally to increase efficiency the AS1302 switches to 49kHz at light loads.
Designed to reside in portable and space limited equipment the 1.
2MHz charge pump converts a 2.
9V to 5.
15V input to regulated 5V output with 3% accuracy.
The shutdown function reduces the supply current to <1µA and disconnects the load from the output.
The integrated soft-start circuitry prevents high inrush currents being drawn from the battery during sta...


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