Datasheet > LT1118CST-2.5#TRMPBF

LT1118CST-2.5#TRMPBF

更新时间： 2024-11-22 14:52:47

品牌	Logo	应用领域
亚德诺 - ADI		光电二极管输出元件调节器
页数	文件大小	规格书
8页	246K
描述
Fixed Positive LDO Regulator

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LT1118/LT1118-2.5

LT1118-2.85/LT1118-5

Low I , Low Dropout,

800mA, Source and Sink

Regulators Adjustable and

Fixed 2.5V, 2.85V, 5V Output

DESCRIPTION

FEATURES

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,

quiescentsupplycurrentisalow600μA,allowingcontinu-

ous connection to the TERMPWR lines. An ultralow power

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

Ultralow Power Shutdown Mode

Current Limit and Thermal Shutdown Protection

Stable for Any C

≥ 0.22μF

LOAD

Fast Settling Time

1V Dropout Voltage

APPLICATIONS

Active Negation SCSI Terminations

Computers

Disk Drives

CD-ROM

Supply Splitter

Current limits in both sourcing and sinking modes, plus

on-chip thermal shutdown make the circuit tolerant of

output fault conditions.

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

All other trademarks are the property of their respective owners.

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

packages.

TYPICAL APPLICATION

Load Transient Response

0.2V

LT1118-2.85 OUT

GND

OUT

–0.2V

1μF

CERAMIC

2.2μF

800mA

LOAD

1118 TA01

0mA

–400mA

1118 TA02

1118fd

12 3 4 5 6 7 8

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