LMS5214IMGX-3.3 datasheet(1/10 Pages) NSC

Part #	LMS5214IMGX-3.3

Description	80mA, Low Dropout Voltage Regulator with Auto Discharge Function in SC70

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Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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LMS5214

80mA, Low Dropout Voltage Regulator with Auto

Discharge Function in SC70

General Description

The LMS5214 is a µCap, low dropout voltage regulator with

very low quiescent current, 110µA typical, at 80mA load. It

also has very low dropout voltage, typically 2mV at light load

and 300mV at 80mA.

The LMS5214 is an enhanced version of the industry stan-

dard LMS5213 with auto discharge function which actively

discharges the output voltage to ground when the device is

placed in shutdown mode. It provides up to 80mA and con-

sumes a typical of 10nA in disable mode, which helps to

extend the battery life.

The LMS5214 is optimized to work with low value, low cost

ceramic capacitors. The output typically requires only 470nF

of output capacitance for stability. The enable pin can be tied

to V

IN for easy device layout.

Low ground current at full load and small package makes the

LMS5214 ideal for portable, battery powered equipment ap-

plications with small space requirements.

The LMS5214 is available in a space saving 5-pin SC70

package. Performance is specified for the −40˚C to +125˚C

temperature range and is available in 2.5V, 2.6V, 2.8V, 2.9V,

3.0V and 3.3V fixed voltages. For other output voltage op-

tions, please contact National Semiconductor.

Features

(Typical unless noted)

n

Space saving SC70 package

n

Low quiescent current: 70µA

n

Low dropout voltage: 2mV

n

Stability with low-ESR ceramic capacitors

n

Auto discharge

n

Fast turn-on

n

Low temperature coefficient

n

Current and thermal limiting

n

Zero current in shutdown mode

n

Pin-to-pin compatible with LMS5213

Applications

n

Cellular Phones

n

Battery-powered equipment

n

Bar code scanner

n

Laptops, notebooks, PDA’s

n

High-efficiency linear power supplies

Typical Application

20043120

August 2002

DS200431

www.national.com

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LMS5214IMGX-3.3 Datasheet(PDF) 1 Page - National Semiconductor (TI)

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