LT1083CP12 Linear Technology Corporation, LT1083CP12 Datasheet

LT1083CP12

Manufacturer Part Number

LT1083CP12

Description

TO247

Manufacturer

Linear Technology Corporation

Datasheet

1.LT1083CP12.pdf (12 pages)

Specifications of LT1083CP12

Date_code

04+

Current page: 1 of 12
Download datasheet (139Kb)

FEATURES

TYPICAL APPLICATIO

■

APPLICATIO S

■

*For a 1.5A low dropout regulator see the LT1086 data sheet.

High Efficiency Linear Regulators

Post Regulators for Switching Supplies

Constant Current Regulators

Battery Chargers

Three-Terminal 3.3V, 3.6V, 5V and 12V

Output Current of 3A, 5A or 7.5A

Operates Down to 1V Dropout

Guaranteed Dropout Voltage at Multiple Current Levels

Line Regulation: 0.015%

Load Regulation: 0.1%

100% Thermal Limit Functional Test

Adjustable Versions Available

≥ 6.5V

DEVICE

LT1083

LT1084

LT1085

10μF

5V, 7.5A Regulator

*REQUIRED FOR STABILITY

LT1083-5

OUTPUT CURRENT*

7.5 Amps

5.0 Amps

3.0 Amps

LT1083/4/5 TA01

22μF*

TANTALUM

5V AT 7.5A

DESCRIPTIO

The LT

designed to provide 3A, 5A and 7.5A with higher efficiency

than currently available devices. All internal circuitry is

designed to operate down to 1V input to output differential

and the dropout voltage is fully specified as a function of

load current. Dropout is guaranteed at a maximum of 1.5V

at maximum output current, decreasing at lower load

currents. On-chip trimming adjusts the output voltage to

1%. Current limit is also trimmed, minimizing the stress

on both the regulator and power source circuitry under

overload conditions.

The LT1083 series devices are pin compatible with older

three-terminal regulators. A 10μF output capacitor is

required on these new devices; however, this is usually

included in most regulator designs.

Unlike PNP regulators, where up to 10% of the output

current is wasted as quiescent current, the LT1083 quies-

cent current flows into the load, increasing efficiency.

All other trademarks are the property of their respective owners.

3A, 5A, 7.5A Low Dropout

, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.

Positive Fixed Regulators

LT1083/LT1084/LT1085 Fixed

1083 series of positive adjustable regulators are

Dropout Voltage vs Output Current

OUTPUT CURRENT (A)

FULLLOAD

1083/4/5 TA02

FULLLOAD

1083ffd

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