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AAT1275 - Boost Converter

General Description

The AAT1275 SwitchReg is a 2MHz, 500mA synchronous boost converter with an integrated currentlimiting load switch controlled output.

Key Features

  • SwitchReg™ High Frequency Boost With 5V / 500mA Output Capability From a Single-Cell LithiumIon/Polymer Battery Input Voltage Range: 2.7V to 5V VOUT1 Adjustable or Fixed (5V) >90% Efficiency Up to 2MHz Switching Frequency True Load Disconnect Load Switch With Programmable Current Limit Over-Temperature, Over-Current Protection Inrush Current Limit Fault Report Low S.

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Datasheet Details

Part number AAT1275
Manufacturer AAT
File Size 497.69 KB
Description Boost Converter
Datasheet download datasheet AAT1275 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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Boost Converter with USB Power Switch General Description The AAT1275 SwitchReg is a 2MHz, 500mA synchronous boost converter with an integrated currentlimiting load switch controlled output. The AAT1275 operates from a single-cell Lithium-ion/ polymer battery source and provides a regulated 5V, current limit controlled output to support USB port VBUS applications in portable consumer electronic products. The AAT1275 can support both USB 2.0 host port and USB on-the-go operation, as well as general purpose applications where a 5V supply with a user programmable current limit is needed. The high efficiency boost converter section of the AAT1275 is typically set for a 5V output and can deliver up to 500mA load current to support USB VBUS operation from an input supply as low as 2.7V.