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AS1325 - Step-Up DC-DC Converter

General Description

The AS1325 is a high-efficiency step-up DC-DC converter designed to generate a fixed output voltage of +3.3V or +5V.

The AS1325 achieves an efficiency of up to 96% and the minimum input voltage is 1.5V.

Key Features

  • a shutdown mode, where it draws less than 1µA. In shutdown mode the battery is connected directly to the output enabling the supply of real-time-clocks. The AS1325 provides a power-on reset output that goes high-impedance when the output reaches 90% of its regulation point. The SHDNN trip threshold of the AS1325 can be used as an input voltage detector that disables the device when the battery voltage falls to a predetermined level. An internal synchronous rectifie.

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Datasheet Details

Part number AS1325
Manufacturer austriamicrosystems
File Size 0.98 MB
Description Step-Up DC-DC Converter
Datasheet download datasheet AS1325 Datasheet

Full PDF Text Transcription for AS1325 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for AS1325. For precise diagrams, and layout, please refer to the original PDF.

AS1325 300mA Step-Up DC-DC Converter Data Sheet 1 General Description The AS1325 is a high-efficiency step-up DC-DC converter designed to generate a fixed output voltage ...

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y step-up DC-DC converter designed to generate a fixed output voltage of +3.3V or +5V. The AS1325 achieves an efficiency of up to 96% and the minimum input voltage is 1.5V. The AS1325-BSTT-33 delivers up to 300mA output current at the fixed output voltage of +3.3V (@ 2V VBATT). With the fixed output voltage of +5V the AS1325-BSST-50 supplies up to 185mA output current (@ 2V VBATT). In order to save power the AS1325 features a shutdown mode, where it draws less than 1µA. In shutdown mode the battery is connected directly to the output enabling the supply of real-time-clocks.