LT3012

更新时间： 2024-09-15 05:43:31

品牌	Logo	应用领域
凌特 - Linear		稳压器
页数	文件大小	规格书
16页	181K
描述
250mA, 4V to 80V Low Dropout Micropower Linear Regulator

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LT3012 数据手册

LT3012

250mA, 4V to 80V

Low Dropout

Micropower Linear Regulator

DESCRIPTION

FEATURES

The LT^®3012 is a high voltage, micropower low dropout

linearregulator.Thedeviceiscapableofsupplying250mAof

output current with a dropout voltage of 400mV. Designed

foruseinbattery-poweredorhighvoltagesystems,thelow

quiescent current (40μA operating and 1μA in shutdown)

makes the LT3012 an ideal choice. Quiescent current is

also well controlled in dropout.

Wide Input Voltage Range: 4V to 80V

Low Quiescent Current: 40μA

Low Dropout Voltage: 400mV

Output Current: 250mA

No Protection Diodes Needed

Adjustable Output from 1.24V to 60V

1μA Quiescent Current in Shutdown

Stable with 3.3μF Output Capacitor

Other features of the LT3012 include the ability to operate

with very small output capacitors. The regulator is stable

with only 3.3μF on the output while most older devices

require between 10μF and 100μF for stability. Small ce-

ramic capacitors can be used without any need for series

resistance (ESR) as is common with other regulators.

Internal protection circuitry includes reverse-battery

protection, current limiting, thermal limiting and reverse

current protection.

Stable with Aluminum, Tantalum or Ceramic

Capacitors

Reverse-Battery Protection

No Reverse Current Flow from Output to Input

Thermal Limiting

Thermally Enhanced 16-Lead TSSOP and

12-Pin (4mm × 3mm) DFN Packages

APPLICATIONS

The device is available with an adjustable output with a

1.24V reference voltage. The LT3012 regulator is available

in the 16-lead TSSOP and 12 pin low proﬁle (0.75mm)

(4mm × 3mm) DFN packages with an exposed pad for

enhanced thermal handling capability.

Low Current High Voltage Regulators

Regulator for Battery-Powered Systems

Telecom Applications

Automotive Applications

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

All other trademarks are the property of their respective owners.

TYPICAL APPLICATION

5V Supply with Shutdown

Dropout Voltage

400

OUT

350

300

250

200

150

100

OUT

ADJ

250mA

LT3012

750k

249k

5.4V TO

80V

3.3μF

1μF

SHDN

GND

3012 TA01

SHDN

OUTPUT

<0.3V

>2.0V

OFF

100

150

250

200

OUTPUT CURRENT (mA)

3012 TA02

3012fd

12 3 4 5 6 7...16

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与LT3012相关器件

型号	品牌	获取价格	描述	数据表
LT3012B	Linear	获取价格	250mA, 4V to 80V Low Dropout Micropower Linear Regulator
LT3012B	ADI	获取价格	250mA、4V 至 80V 低压差微功率线性稳压器
LT3012BEDE	Linear	获取价格	250mA, 4V to 80V Low Dropout Micropower Linear Regulator
LT3012BEDE#PBF	Linear	获取价格	LT3012B - 250mA, 4V to 80V Low Dropout Micropower Linear Regulator; Package: DFN; Pins: 12
LT3012BEDE#TRPBF	Linear	获取价格	LT3012B - 250mA, 4V to 80V Low Dropout Micropower Linear Regulator; Package: DFN; Pins: 12
LT3012BEFE	Linear	获取价格	250mA, 4V to 80V Low Dropout Micropower Linear Regulator
LT3012EDE	Linear	获取价格	250mA, 4V to 80V Low Dropout Micropower Linear Regulator
LT3012EDE#TRPBF	Linear	获取价格	LT3012 - 250mA, 4V to 80V Low Dropout Micropower Linear Regulator; Package: DFN; Pins: 12;
LT3012EDE-PBF	Linear	获取价格	250mA, 4V to 80V Low Dropout Micropower Linear Regulator
LT3012EDE-TR	Linear	获取价格	250mA, 4V to 80V Low Dropout Micropower Linear Regulator

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