Datasheet > LT3082

LT3082

更新时间： 2023-12-20 18:44:52

品牌	Logo	应用领域
亚德诺 - ADI		电阻器稳压器
页数	文件大小	规格书
20页	294K
描述
200mA 单电阻器低压差线性稳压器

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中文翻译

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数据手册

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LT3082 数据手册

LT3082

200mA Single Resistor Low

Dropout Linear Regulator

FEATURES

DESCRIPTION

The LT^®3082 is a 200mA low dropout linear regulator that

can be paralleled to increase output current or spread heat

in surface mounted boards. Architected as a precision

currentsourceandvoltagefollower, thisregulatorbeneﬁts

many applications requiring high current, adjustability to

zero and no heat sink. The LT3082 withstands reverse

inputvoltagesandreverseoutput-to-inputvoltageswithout

reverse-current ﬂow.

Outputs May Be Paralleled for Higher Output

Current or Heat Spreading

Maximum Output Current: 200mA

Wide Input Voltage Range: 1.2V to 40V

Output Adjustable to 0V

Stable with Minimum 2.2μF Ceramic Capacitors

Single Resistor Sets Output Voltage

Initial Set Pin Current Accuracy: 1%

Low Output Noise: 33μV

(10Hz to 100kHz)

RMS

A key feature of the LT3082 is the capability to supply a

wide output voltage range. A precision “0” TC 10μA ref-

erence current source drives a single resistor to program

the output voltage to any level between zero and 38.5V.

The LT3082 is stable with only 2.2μF of capacitance on

the output; the IC uses small ceramic capacitors that

do not require additional ESR as is common with other

regulators.

Reverse-Battery Protection

Reverse-Current Protection

<1mV Load Regulation Typical

<0.001%/V Line Regulation Typical

Current Limit and Thermal Shutdown Protection

Available in 8-Lead SOT-23, 3-Lead SOT-223 and

8-Lead 3mm × 3mm DFN Packages

APPLICATIONS

Internal protection circuitry includes reverse-battery and

reverse-current protection, current limiting and ther-

mal limiting. The LT3082 is offered in the thermally en-

hanced 8-lead TSOT-23, 3-lead SOT-223 and 8-lead 3mm

× 3mm DFN packages.

All-Surface Mount Power Supply

Post Regulator for Switching Supplies

Low Parts Count Variable Voltage Supply

Low Output Voltage Supply

L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear

Technology Corporation. All other trademarks are the property of their respective owners.

Battery Powered Regulator

TYPICAL APPLICATION

SET Pin Current vs Temperature

10.100

10.075

10.050

10.025

10.000

9.975

Variable Output Voltage Battery Powered Supply

LT3082

1μF

10μA

–

9.950

SET

OUT

= 10μA • R

SET

OUT

9.925

SET

OUT

SET

500k

2.2μF

0.1μF

9.900

–50 –25

25 50 75 100 125 150

TEMPERATURE (°C)

3082 TA01a

3082 TA01b

3082f

12 3 4 5 6 7...20

中文翻译

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与LT3082相关器件

型号	品牌	获取价格	描述	数据表
LT3082EDD	Linear	获取价格	200mA Single Resistor Low Dropout Linear Regulator
LT3082EDD#PBF	Linear	获取价格	LT3082 - 200mA Single Resistor Low Dropout Linear Regulator; Package: DFN; Pins: 8; Temper
LT3082EDD#TR	Linear	获取价格	暂无描述
LT3082EDDPBF	Linear	获取价格	200mA Single Resistor Low Dropout Linear Regulator
LT3082EDDTR	Linear	获取价格	200mA Single Resistor Low Dropout Linear Regulator
LT3082EDDTRPBF	Linear	获取价格	200mA Single Resistor Low Dropout Linear Regulator
LT3082EST	Linear	获取价格	200mA Single Resistor Low Dropout Linear Regulator
LT3082EST#PBF	Linear	获取价格	暂无描述
LT3082EST#TR	Linear	获取价格	IC VREG 0 V-38.5 V ADJUSTABLE POSITIVE LDO REGULATOR, 1.65 V DROPOUT, PDSO3, PLASTIC, SOT-
LT3082EST#TRPBF	Linear	获取价格	LT3082 - 200mA Single Resistor Low Dropout Linear Regulator; Package: SOT; Pins: 3; Temper

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