LP2956 - Dual Micropower Low-Dropout Voltage Regulators

Product Overview

National Semiconductor

Datasheet Details

Part number	LP2956
Manufacturer	National Semiconductor
File Size	501.55 KB
Description	Dual Micropower Low-Dropout Voltage Regulators
Datasheet	LP2956 Datasheet
Additional preview pages of the LP2956 datasheet.

Product details

Description

The LP2956 is a micropower voltage regulator with very low quiescent current (170 µA typical at light loads) and very low dropout voltage (typically 60 mV at 1 mA load current and 470 mV at 250 mA load current on the main output).

Features

The auxiliary output is always on (regardless of main output status), so it can be used to power memory circuits. Quiescent current increases only slightly at dropout, which prolongs battery life. The error flag goes low if the main output voltage drops out of regulation. An open-collector auxiliary comparator is included, whose inverting input is tied to the 1.23V reference. Reverse battery protection is provided. The parts are available in DIP and surface mount packages. Features n n n n n n.

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Published: Mar 22, 2005 |