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AS1322 Datasheet - ams

AS1322-ams.pdf

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Datasheet Details

Part number:

AS1322

Manufacturer:

ams

File Size:

773.22 KB

Description:

Dc-dc step-up converters.

AS1322, DC-DC Step-Up Converters

The AS1322A and the AS1322B are synchronous, fixed frequency, very high-efficiency DC-DC boost converters capable of supplying 3.3V at 150mA from a single AA-supply.

Compact size and minimum external parts requirements make these devices perfect for modern portable devices.

High-speed switching fre

AS1322 Features

* 95% Efficiency Single-Cell Operation Delivers 160mA @ 3.3V (from Single AA Cell) Delivers 220mA @ 5.0V (from Two AA Cells) Delivers 570mA @ 3.3V (from Two AA Cells) Low Start-Up Voltage: 0.85V High-Speed Fixed-Frequency: 1.2MHz Internal PMOS Synchronous Rectifier Automatic Powersave Operation (AS132

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