LT3012B

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	207K
描述
250mA, 4V to 80V Low Dropout Micropower Linear Regulator

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LT3012B 数据手册

LT3012B

250mA, 4V to 80V

Low Dropout

Micropower Linear Regulator

FEATURES

DESCRIPTIO

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

linearregulator.Thedeviceiscapableofsupplying250mA

of output current with a dropout voltage of 400mV. De-

signed for use in battery-powered or high voltage sys-

tems, the low quiescent current (40µA operating) makes

theLT3012Banidealchoice.Quiescentcurrentisalsowell

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

■

Stable with 3.3µF Output Capacitor

■

Stable with Aluminum, Tantalum or Ceramic

Other features of the LT3012B include the ability to oper-

ate with very small output capacitors. The regulators are

stable with only 3.3µF on the output while most older

devices require between 10µF and 100µF for stability.

Smallceramiccapacitorscanbeusedwithoutanyneedfor

series resistance (ESR) as is common with other regula-

tors. Internal protection circuitry includes reverse-battery

protection, current limiting, thermal limiting and reverse

current protection.

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

APPLICATIO S

■

Low Current High Voltage Regulators

The device is available with an adjustable output with a

1.24V reference voltage. The LT3012B regulator is avail-

ableinthe16-leadTSSOPand12pinlowprofile(0.75mm)

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

enhanced thermal handling capability.

■

Regulator for Battery-Powered Systems

■

Telecom Applications

Automotive Applications

■

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

All other trademarks are the property of their respective owners.

TYPICAL APPLICATIO

Dropout Voltage

400

350

300

250

200

150

100

5V Supply

OUT

LT3012B

ADJ

250mA

750k

249k

5.4V TO

80V

3.3µF

1µF

GND

3012B TA01

100

150

250

200

OUTPUT CURRENT (mA)

3012B TA02

3012bf

12 3 4 5 6 7...16

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与LT3012B相关器件

型号	品牌	获取价格	描述	数据表
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
LT3012EDE-TRPBF	Linear	获取价格	250mA, 4V to 80V Low Dropout Micropower Linear Regulator
LT3012EFE	Linear	获取价格	250mA, 4V to 80V Low Dropout Micropower Linear Regulator

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