LT1086

更新时间： 2024-11-22 22:55:47

品牌	Logo	应用领域
凌特 - Linear		稳压器
页数	文件大小	规格书
16页	351K
描述
1.5A Low Dropout Positive Regulators Adjustable and Fixed 2.85V, 3.3V, 3.6V, 5V, 12V

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LT1086 数据手册

LT1086 Series

1.5A Low Dropout Positive

Regulators Adjustable and

Fixed 2.85V, 3.3V, 3.6V, 5V, 12V

FEATURES

DESCRIPTION

The LT^®1086 is designed to provide 1.5A 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 speci-

■

3-Terminal Adjustable or Fixed

2.85V, 3.3V, 3.6V, 5V, 12V

■

Output Current of 1.5A, (0.5A for LT1086H)

■

Operates Down to 1V Dropout

■

Guaranteed Dropout Voltage at Multiple Current Levels fied as a function of load current. Dropout is guaranteed at

■

Line Regulation: 0.015%

a maximum of 1.5V at maximum output current, decreas-

ing at lower load currents. On-chip trimming adjusts the

reference/ouput voltage to 1%. Current limit is also

trimmed, minimizing the stress on both the regulator and

power source circuitry under overload conditions.

Load Regulation: 0.1%

100% Thermal Limit Functional Test

APPLICATIONS

TheLT1086ispincompatiblewitholder3-terminaladjust-

able regulators. A 10µF output capacitor is required on

these new devices; however, this is usually included in

most regulator designs.

■

SCSI-2 Active Terminator

■

High Efficiency Linear Regulators

■

Post Regulators for Switching Supplies

Constant Current Regulators

Battery Chargers

■

A 2.85V output version is offered for SCSI-2 active termi-

nation. For surface mount applications see the LT1117-

2.85datasheet. Forhighcurrentorlowerdropoutrequire-

ments see the LT1123-2.85 data sheet.

■

Microprocessor Supply

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

current is wasted as quiescent current, the LT1086 quies-

cent current flows into the load, increasing efficiency.

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

TYPICAL APPLICATION

LT1086 Dropout Voltage

5V to 3.3V Regulator

INDICATES GUARANTEED TEST POINT

–55°C ≤ T ≤ 150°C

0°C ≤ T ≤ 125°C

≥ 4.75V

3.3V AT 1.5A

IN LT1086-3.3 OUT

GND

10µF*

10µF

TANTALUM

= –55°C

= 25°C

= 150°C

LT1086 • TA01

*MAY BE OMITTED IF INPUT SUPPLY IS WELL

BYPASSED WITHIN 2" OF THE LT1086

0.5

1.5

OUTPUT CURRENT (A)

LT1086 • TA02

12 3 4 5 6 7...16

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与LT1086相关器件

型号	品牌	获取价格	描述	数据表
LT1086_04	Linear	获取价格	1.5A Low Dropout Positive Regulators Adjustable and Fixed 2.85V, 3.3V, 3.6V, 5V, 12V
LT1086-05-220M	SEME-LAB	获取价格	LOW DROPOUT 1.5 AMP POSITIVE VOLTAGE REGULATOR
LT1086-12-220M	SEME-LAB	获取价格	LOW DROPOUT 1.5 AMP POSITIVE VOLTAGE REGULATOR
LT1086-12CT	Linear	获取价格	IC VREG FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 1.5 V DROPOUT, PSFM3, PLASTIC, TO-220, 3
LT1086-12MK	Linear	获取价格	IC VREG FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 1.5 V DROPOUT, MBFM2, METAL CAN, TO-3, 2
LT1086-220M	SEME-LAB	获取价格	LOW DROPOUT 1.5 AMP POSITIVE VOLTAGE REGULATOR
LT1086220M05	SEME-LAB	获取价格	LOW DROPOUT 1.5 AMP POSITIVE VOLTAGE REGULATOR
LT10865CT	ETC	获取价格	IC-VOLTAGE REGULATOR +5V
LT1086-5MK	Linear	获取价格	IC VREG FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 1.5 V DROPOUT, MBFM2, METAL CAN, TO-3, 2
LT1086CH	Linear	获取价格	1.5A Low Dropout Positive Regulators Adjustable and Fixed 2.85V, 3.3V, 3.6V, 5V, 12V

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