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AP1603 - Step-Up DC/DC Converter

General Description

The AP1603 is a high efficiency step-up DC/DC converter for applications using 1 to 2 NiMH battery cells.

Only three external components are required to deliver a fixed output voltage of 3.3V.

The AP1603 starts up from less than 0.9V input with 1mA load.

Key Features

  • s -A Guaranteed Start-Up from less than 0.9 V. -High Efficiency. -Low Quiescent Current. -Less Number of External Components needed. -Low Ripple and Low Noise. -Space Saving Pb-Free Packages: SOT23-6.
  • General.

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Datasheet Details

Part number AP1603
Manufacturer Anachip
File Size 170.09 KB
Description Step-Up DC/DC Converter
Datasheet download datasheet AP1603 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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AP1603 Step-Up DC/DC Converter „ Features -A Guaranteed Start-Up from less than 0.9 V. -High Efficiency. -Low Quiescent Current. -Less Number of External Components needed. -Low Ripple and Low Noise. -Space Saving Pb-Free Packages: SOT23-6 „ General Description The AP1603 is a high efficiency step-up DC/DC converter for applications using 1 to 2 NiMH battery cells. Only three external components are required to deliver a fixed output voltage of 3.3V. The AP1603 starts up from less than 0.9V input with 1mA load. Pulse Frequency Modulation scheme brings optimized performance for applications with light output loading and low input voltages. The output ripple and noise are lower compared with the circuits operating in PSM mode. The PFM control circuit operating in 150KHz (max.