LX1882 Datasheet Charge Pump Doubler

Manufacturer: Microsemi (now Microchip Technology)

Overview: 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.

Datasheet Details

Part number	LX1882
Manufacturer	Microsemi (now Microchip Technology)
File Size	336.92 KB
Description	Charge Pump Doubler
Datasheet	LX1882_MicrosemiCorporation.pdf

General 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

Key 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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