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AS1312 - Hysteretic DC-DC Step-up Converter

General Description

The AS1312 is an ultra low IQ hysteretic step-up DC-DC converter.

The AS1312 achieves an efficiency of up to 94% and is designed to operate from a +0.7V to +5.0V supply, the output voltage is fixed in 50mV steps from +2.5V to 5.0V.

Key Features

  • a shutdown mode, where it draws less than 100nA. In shutdown mode the battery is not connected to the output. If the input voltage exceeds the output voltage the device is in a feedthrough mode and the input is directly connected to the output voltage. In light load operation, the device enters a sleep mode when most of the internal operating blocks are turned off in order to save power. This mode is active approximately 50μs after a current pulse provided that the output is in regulation. The A.

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Datasheet Details

Part number AS1312
Manufacturer ams OSRAM
File Size 443.44 KB
Description Hysteretic DC-DC Step-up Converter
Datasheet download datasheet AS1312 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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AS1312 Ultra Low Quiescent Current, Hysteretic DC-DC Step-up Converter General Description The AS1312 is an ultra low IQ hysteretic step-up DC-DC converter. The AS1312 achieves an efficiency of up to 94% and is designed to operate from a +0.7V to +5.0V supply, the output voltage is fixed in 50mV steps from +2.5V to 5.0V. In order to save power the AS1312 features a shutdown mode, where it draws less than 100nA. In shutdown mode the battery is not connected to the output. If the input voltage exceeds the output voltage the device is in a feedthrough mode and the input is directly connected to the output voltage. In light load operation, the device enters a sleep mode when most of the internal operating blocks are turned off in order to save power.