LT1085CK

更新时间： 2024-11-22 21:55:23

品牌	Logo	应用领域
凌特 - Linear		稳压器
页数	文件大小	规格书
12页	289K
描述
3A, 5A, 7.5A Low Dropout Positive Fixed Regulators

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中文翻译

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数据手册
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LT1085CK 数据手册

LT1083/84/85 Fixed

3A, 5A, 7.5A Low Dropout

Positive Fixed Regulators

FEATURES

DESCRIPTION

■

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

Output Current of 3A, 5A or 7.5A

Operates Down to 1V Dropout

The LT1083 series of positive adjustable regulators are

designedtoprovide3A, 5Aand7.5Awithhigherefficiency

than currently available devices. All internal circuitry is

■

Guaranteed Dropout Voltage at Multiple Current Levels designedtooperatedownto1Vinputtooutputdifferential

■

Line Regulation: 0.015%

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.

Load Regulation: 0.1%

100% Thermal Limit Functional Test

Adjustable Versions Available

APPLICATIONS

■

High Efficiency Linear Regulators

The 1083 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.

■

Post Regulators for Switching Supplies

■

Constant Current Regulators

Battery Chargers

■

DEVICE

OUTPUT CURRENT*

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.

LT1083

LT1084

LT1085

7.5 Amps

5.0 Amps

3.0 Amps

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

TYPICAL APPLICATION

5V, 7.5A Regulator

Dropout Voltage vs Output Current

≥ 6.5V

5V AT 7.5A

LT1083-5

22µF*

TANTALUM

10µF

*REQUIRED FOR STABILITY

LT1083/4/5 TA01

FULL LOAD

OUTPUT CURRENT (A)

1083/4/5 TA02

12 3 4 5 6 7...12

中文翻译

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LT1085CK 替代型号

型号	品牌	替代类型	描述	数据表
LT1084IK	Linear	功能相似	暂无描述
LT1084MK	Linear	功能相似	3A, 5A, 7.5A Low Dropout Positive Fixed Regulators
LT1084CK	Linear	功能相似	3A, 5A, 7.5A Low Dropout Positive Fixed Regulators

与LT1085CK相关器件

型号	品牌	获取价格	描述	数据表
LT1085CK#TR	Linear	获取价格	IC VREG 1.2 V-15 V ADJUSTABLE POSITIVE LDO REGULATOR, 1.5 V DROPOUT, MBFM2, METAL CAN, TO-
LT1085CK(ADJ)	SEMTECH	获取价格	Adjustable Positive LDO Regulator, 1.2V Min, 1.5V Dropout, MBFM2, HERMETIC SEALED, TO-3, 2
LT1085CK-12	Linear Systems	获取价格	3A, 5A, 7.5A Low Dropout Positive Fixed Regulators
LT1085CK-12	Linear	获取价格	3A, 5A, 7.5A Low Dropout Positive Fixed Regulators
LT1085CK-3.3	SEMTECH	获取价格	Fixed Positive LDO Regulator, 3.3V, 1.5V Dropout, MBFM2, HERMETIC SEALED, TO-3, 2 PIN
LT1085CK-5	Linear	获取价格	3A, 5A, 7.5A Low Dropout Positive Fixed Regulators
LT1085CK-5	Linear Systems	获取价格	3A, 5A, 7.5A Low Dropout Positive Fixed Regulators
LT1085CK-5	SEMTECH	获取价格	Fixed Positive LDO Regulator, 5V, 1.5V Dropout, MBFM2, HERMETIC SEALED, TO-3, 2 PIN
LT1085CM	Linear	获取价格	3A, 5A, 7.5A Low Dropout Positive Fixed Regulators
LT1085CM#PBF	Linear	获取价格	LT1085 - 7.5A, 5A, 3A Low Dropout Positive Adjustable Regulators; Package: DD PAK; Pins: 3

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