LM1117DTX-3.3 National Semiconductor, LM1117DTX-3.3 Datasheet

LM1117DTX-3.3

Manufacturer Part Number

LM1117DTX-3.3

Description

IC,VOLT REGULATOR,FIXED,+3.3V,BIPOLAR,SIP,3PIN,PLASTIC

Manufacturer

National Semiconductor

Datasheets

1.LM1117SX-3.3.pdf (21 pages)

2.LM1117SX-3.3.pdf (21 pages)

3.LM1117DTX-3.3.pdf (19 pages)

Specifications of LM1117DTX-3.3

Rohs Compliant

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LM1117

800mA Low-Dropout Linear Regulator

General Description

The LM1117 is a series of low dropout voltage regulators

with a dropout of 1.2V at 800mA of load current. It has the

same pin-out as National Semiconductor’s industry standard

LM317.

The LM1117 is available in an adjustable version, which can

set the output voltage from 1.25V to 13.8V with only two ex-

ternal resistors. In addition, it is also available in five fixed

voltages, 1.8V, 2.5V, 2.85V, 3.3V, and 5V.

The LM1117 offers current limiting and thermal shutdown. Its

circuit includes a zener trimmed bandgap reference to as-

sure output voltage accuracy to within

The LM1117 series is available in SOT-223, TO-220, and

TO-252 D-PAK packages. A minimum of 10µF tantalum ca-

pacitor is required at the output to improve the transient re-

sponse and stability.

Typical Application

DS100919

1%.

Active Terminator for SCSI-2 Bus

Fixed Output Regulator

Features

n Available in 1.8V, 2.5V, 2.85V, 3.3V, 5V, and Adjustable

n Space Saving SOT-223 Package

n Current Limiting and Thermal Protection

n Output Current

n Temperature Range

n Line Regulation

n Load Regulation

Applications

n 2.85V Model for SCSI-2 Active Termination

n Post Regulator for Switching DC/DC Converter

n High Efficiency Linear Regulators

n Battery Charger

n Battery Powered Instrumentation

Versions

DS100919-28

DS100919-5

February 2000

www.national.com

0˚C to 125˚C

0.2% (Max)

0.4% (Max)

800mA

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