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AIC1639 - 3-PIN ONE-CELL STEP-UP DC/DC CONVERTER

Datasheet Summary

Description

The AIC1639 is a high efficiency step-up DC/DC converter for applications using 1 to 4 battery cells.

Only three external components are required to d eliver a fixed output voltage of 2.7, 3.0V, 3.3V, or 5V.

The AIC1639 starts up from below 0.9V input with 1mA load.

Features

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Datasheet Details

Part number AIC1639
Manufacturer aic
File Size 170.85 KB
Description 3-PIN ONE-CELL STEP-UP DC/DC CONVERTER
Datasheet download datasheet AIC1639 Datasheet
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Full PDF Text Transcription

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AIC1639 3-PIN ONE-CELL STEP-UP DC/DC CONVERTER SPEC NO: DS-1639-00 05/26/00 ¡½ FEATURES l l l l l l l l ¡½ DESCRIPTION The AIC1639 is a high efficiency step-up DC/DC converter for applications using 1 to 4 battery cells. Only three external components are required to d eliver a fixed output voltage of 2.7, 3.0V, 3.3V, or 5V. The AIC1639 starts up from below 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 100KHz (max.) switching rate results in smaller passive components.
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