LM3480IM3-3.3+ National Semiconductor, LM3480IM3-3.3+ Datasheet

LM3480IM3-3.3+

Manufacturer Part Number

LM3480IM3-3.3+

Description

Manufacturer

National Semiconductor

Datasheet

1.LM3480IM333NOPB.pdf (11 pages)

Specifications of LM3480IM3-3.3+

Notes

NEW

Date_code

10+

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LM3480

100 mA, SOT-23, Quasi Low-Dropout Linear Voltage

Regulator

General Description

The LM3480 is an integrated linear voltage regulator. It

features operation from an input as high as 30V and a

guaranteed maximum dropout of 1.2V at the full 100 mA

load. Standard packaging for the LM3480 is the 3-lead Su-

perSOT

The 5, 12, and 15V members of the LM3480 series are

intended as tiny alternatives to industry standard LM78LXX

series and similar devices. The 1.2V quasi low dropout of

LM3480 series devices makes them a nice fit in many appli-

cations where the 2 to 2.5V dropout of LM78LXX series

devices precludes their (LM78LXX series devices) use.

The LM3480 series features a 3.3V member. The SOT pack-

aging and quasi low dropout features of the LM3480 series

converge in this device to provide a very nice, very tiny 3.3V,

100 mA bias supply that regulates directly off the system

Typical Application Circuit

Connection Diagram

SuperSOT

5% power supply.

is a registered trademark of National Semiconductor.

package.

3-Lead, Molded-Plastic Small-Outline Transistor (SOT) Package

DS100070

Package Code MF03A (Note 1)

SOT-23 Package

Top View

Key Specifications

n 30V maximum input for operation

n 1.2V guaranteed maximum dropout over full load and

n 100 mA guaranteed minimum load current

n −40 to +125˚C junction temperature range for operation

Features

n 3.3, 5, 12, and 15V versions available

n Packaged in the tiny 3-lead SuperSOT package

Applications

n Tiny alternative to LM78LXX series and similar devices

n Tiny 5V

n Post regulator for switching DC/DC converter

n Bias supply for analog circuits

temperature ranges

and temperature ranges

10007001

5% guaranteed output voltage tolerance over full load

5% to 3.3V, 100 mA converter

10007002

www.national.com

March 2005

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