Datasheet > LT1965IDD

LT1965IDD

更新时间： 2024-11-16 00:54:51

品牌	Logo	应用领域
Linear Systems		/
页数	文件大小	规格书
22页	908K
描述
1.1A, Low Noise, Low Dropout Linear Regulator

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LT1965IDD 数据手册

LT1965 Series

1.1A, Low Noise,

Low Dropout Linear Regulator

Features

Description

TheLT^®1965seriesarelownoise, lowdropoutlinearregu-

lators. The devices supply 1.1A of output current with a

310mVtypicaldropoutvoltage.Operatingquiescentcurrent

is 500µA for the adjustable version, reducing to <1µA in

shutdown. Quiescentcurrentiswellcontrolled;itdoesnot

rise in dropout as with many other regulators. The LT1965

regulators have very low output noise which makes them

ideal for sensitive RF and DSP supply applications.

Output Current: 1.1A

Dropout Voltage: 310mV

Low Noise: 40µV

(10Hz to 100kHz)

RMS

500µA Quiescent Current (Adjustable Version)

Wide Input Voltage Range: 1.8V to 20V

No Protection Diodes Needed

Controlled Quiescent Current in Dropout

Adjustable Output from 1.20V to 19.5V

Fixed Output Voltages: 1.5V, 1.8V, 2.5V, 3.3V

< 1µA Quiescent Current in Shutdown

Stable with 10µF Output Capacitor

Stable with Ceramic or Tantalum Capacitors

Reverse-Battery Protection

No Reverse Current

Current Limit with Foldback Protection

Thermal Limiting

5-Lead TO-220, DD-Pak, Thermally Enhanced 8-Lead

MSOP and 8-Lead 3mm × 3mm DFN Packages

Output voltage ranges from 1.20V to 19.5V. The LT1965

regulators are stable with output capacitors as low as

10µF.Internalprotectioncircuitryincludesreverse-battery

protection, current limiting with foldback, thermal limit-

ing and reverse-current protection. The LT1965 series

are available in fixed output voltages of 1.5V, 1.8V, 2.5V,

3.3V, and as an adjustable device with a 1.20V reference

voltage. The package offerings include the 5-lead TO-220,

5-lead DD-Pak as well as the thermally enhanced 8-lead

MSOPandlowprofile(0.75mm)8-lead3mm× 3mmDFN.

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

ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property

of their respective owners.

applications

Logic Power Supplies

Post Regulator for Switching Supplies

Low Noise Instrumentation

typical application

Dropout Voltage

400

3.3V to 2.5V Regulator

T = 25°C

350

300

250

200

150

100

2.5V

1.1A

OUT

LT1965-2.5

> 3V

10µF*

TO 20V

SHDN SENSE

GND

*CERAMIC OR TANTALUM

1965 TA01

0.2

0.6

0.8

1.2

0.4

OUTPUT CURRENT (A)

1965 TA01b

1965fb

For more information www.linear.com/LT1965

12 3 4 5 6 7...22

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与LT1965IDD相关器件

型号	品牌	获取价格	描述	数据表
LT1965IDD#PBF	Linear	获取价格	暂无描述
LT1965IDD-1.5	Linear Systems	获取价格	1.1A, Low Noise, Low Dropout Linear Regulator
LT1965IDD-1.5-PBF	Linear	获取价格	1.1A, Low Noise, Low Dropout Linear Regulator
LT1965IDD-1.5-TRPBF	Linear	获取价格	1.1A, Low Noise, Low Dropout Linear Regulator
LT1965IDD-1.8	Linear Systems	获取价格	1.1A, Low Noise, Low Dropout Linear Regulator
LT1965IDD-1.8#PBF	Linear	获取价格	LT1965 - 1.1A, Low Noise, Low Dropout Linear Regulator; Package: DFN; Pins: 8; Temperature
LT1965IDD-1.8-PBF	Linear	获取价格	1.1A, Low Noise, Low Dropout Linear Regulator
LT1965IDD-1.8-TRPBF	Linear	获取价格	1.1A, Low Noise, Low Dropout Linear Regulator
LT1965IDD-2.5	Linear Systems	获取价格	1.1A, Low Noise, Low Dropout Linear Regulator
LT1965IDD-2.5#PBF	Linear	获取价格	暂无描述

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