Datasheet > LT1118

LT1118

更新时间： 2024-11-21 22:55:47

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
8页	113K
描述
Low IQ, Low Dropout, 800mA, Source and Sink Regulators Adjustable and Fixed 2.5V, 2.85V, 5V Output

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LT1118 数据手册

LT1118/ LT1118-2.5

LT1118-2.85/ LT1118-5

Lo w I , Lo w Dro p o ut,

800m A, So urc e a nd Sink

Re g ula to rs Ad justa b le a nd

Fixe d 2.5V, 2.85V, 5V Outp ut

FEATURES

DESCRIPTION

The LT^®1118 family of low dropout regulators has the

unique capability of maintaining output regulation while

sourcingorsinkingloadcurrent. The2.85Voutputvoltage

regulator is ideal for use as a Boulay termination of up to

27 SCSI data lines. The regulator maintains regulation

while both sourcing and sinking current, enabling the use

of active negation drivers for improved noise immunity on

the data lines. Regulation of output voltage is maintained

for TERMPWR voltages as low as 4.0V. When unloaded,

quiescentsupplycurrentis alow600µA,allowingcontinu-

ous connection to the TERMPWR lines. An ultralowpower

shutdown mode is also available on the SO-8 version. In

Shutdown the output is high impedance and supply cur-

rent drops to less than 10µA.

■

Regulates While Sourcing or Sinking Current

Provides Termination for up to 27 SCSI Lines

600µA Quiescent Current

Ultra-Low Power Shutdown Mode

Current Limit and Thermal Shutdown Protection

Stable for Any C_LOAD≥ 0.22µF

Fast Settling Time

1V Dropout Voltage

■

APPLICATIONS

■

Active Negation SCSI Terminations

Computers

Disk Drives

CD-ROM

■

Current limits in both sourcing and sinking modes, plus

on-chip thermal shutdown make the circuit tolerant of

output fault conditions.

■

Supply Splitter

The LT1118 is available in 3-lead SOT-223 and 8-lead SO

packages.

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

TYPICAL APPLICATION

Load Transient Response

0.2V

LT1118-2.85 OUT

GND

∆V_OUT

–0.2V

1µF

CERAMIC

800mA

2.2µF

LOAD

I_LOAD

1118 TA01

0mA

–400mA

1118 TA02.tif

12 3 4 5 6 7 8

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与LT1118相关器件

型号	品牌	获取价格	描述	数据表
LT1118_06	Linear	获取价格	Low IQ, Low Dropout, 800mA, Source and Sink Regulators Adjustable and Fixed 2.5V, 2.85V, 5
LT1118_15	Linear	获取价格	800mA, Source and Sink Regulators Adjustable and Fixed 2.5V, 2.85V, 5V Output
LT1118-2.5	Linear	获取价格	Low IQ, Low Dropout, 800mA, Source and Sink Regulators Adjustable and Fixed 2.5V, 2.85V, 5
LT1118-2.5_15	Linear	获取价格	800mA, Source and Sink Regulators Adjustable and Fixed 2.5V, 2.85V, 5V Output
LT1118-2.85	Linear	获取价格	Low IQ, Low Dropout, 800mA, Source and Sink Regulators Adjustable and Fixed 2.5V, 2.85V, 5
LT1118-2.85_15	Linear	获取价格	800mA, Source and Sink Regulators Adjustable and Fixed 2.5V, 2.85V, 5V Output
LT1118-5	Linear	获取价格	Low IQ, Low Dropout, 800mA, Source and Sink Regulators Adjustable and Fixed 2.5V, 2.85V, 5
LT1118-5_15	Linear	获取价格	800mA, Source and Sink Regulators Adjustable and Fixed 2.5V, 2.85V, 5V Output
LT1118CS8	Linear	获取价格	Low IQ, Low Dropout, 800mA, Source and Sink Regulators Adjustable and Fixed 2.5V, 2.85V, 5
LT1118CS8#PBF	Linear	获取价格	LT1118 - Low IQ, Low Dropout, 800mA, Source and Sink Regulators Adjustable and Fixed 2.5V,

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