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AS1301

austriamicrosystems AG
Part Number AS1301
Manufacturer austriamicrosystems AG
Description 5V/50mA Low Noise Inductorless Boost Converter
Published May 4, 2009
Detailed Description AS1301 5V/50mA Low Noise Inductorless Boost Converter www.datasheet4u.com D a ta S he e t 1 General Description The AS...
Datasheet PDF File AS1301 PDF File

AS1301
AS1301

Overview
AS1301 5V/50mA Low Noise Inductorless Boost Converter www.
datasheet4u.
com D a ta S he e t 1 General Description The AS1301 is a 50mA inductorless boost converter using a double H-bridge charge-pump topology with two external flying capacitors.
The AS1301 runs on a 1MHz fixed frequency and is utilized with a low noise regulation scheme to allow usage together with sensitive RF circuitry from the same battery supply.
Designed to reside in portable and space limited equipment the 1MHz charge pump converts a 2.
7 to 5.
25V input to regulated 5V output with 5% accuracy.
The shutdown function reduces the supply current to <5µA and disconnects the load from the output.
The integrated soft-start circuitry prevents current spikes being drawn from the battery during start-up.
The AS1301 is available in TDFN (3x3x0.
8mm) 10-pin and WL-CSP 8-bumps packages.
2 Key Features ! ! ! ! ! ! ! ! ! ! ! ! Up to 92% Efficiency 2.
7 to 5.
25V Input Voltage Regulated 5V Output Automatic Mode Up-Switching <5µA S...


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