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LX1882 - Charge Pump Doubler

Description

The LX1882 is a two-stage boost regulator featuring a charge pump doubler with an integrated low dropout linear regulator.

This configuration allows for a low noise boosted output for powering noise sensitive applications.

Features

  • an internal doubler charge pump converting an input supply of 1.8V to 4.4V, while the second stage is an LDO regulating the boosted voltage converting it to a low noise output. The LX1882 is capable of supplying up to 50mA of output current with an operating current of less than 150µA. Quiescent current is reduced to < 5µA in shutdown mode. The LX1882’s internal regulator is stable with either Tantalum or Ceramic low-value capacitors, typically 2.2µF on the output, allowing designers flexibility.

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Datasheet preview – LX1882

Datasheet Details

Part number LX1882
Manufacturer Microsemi Corporation
File Size 336.92 KB
Description Charge Pump Doubler
Datasheet download datasheet LX1882 Datasheet
Additional preview pages of the LX1882 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com LX1882 I N T E G R A T E D P R O D U C T S Charge Pump Doubler with Linear Regulator P RODUCTION D ATA S HEET DESCRIPTION The LX1882 is a two-stage boost regulator featuring a charge pump doubler with an integrated low dropout linear regulator. This configuration allows for a low noise boosted output for powering noise sensitive applications. The first stage features an internal doubler charge pump converting an input supply of 1.8V to 4.4V, while the second stage is an LDO regulating the boosted voltage converting it to a low noise output. The LX1882 is capable of supplying up to 50mA of output current with an operating current of less than 150µA. Quiescent current is reduced to < 5µA in shutdown mode.
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