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AS1302 - 5V/30mA Adaptive Inductorless Boost Converter

General Description

The AS1302 is a 30mA inductorless boost converter using a double H-bridge charge-pump topology with two external flying capacitors.

Key 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.

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Datasheet Details

Part number AS1302
Manufacturer austriamicrosystems AG
File Size 1.18 MB
Description 5V/30mA Adaptive Inductorless Boost Converter
Datasheet download datasheet AS1302 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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.