Datasheet > LTC295ICDDB-2-TRPBF

LTC295ICDDB-2-TRPBF

更新时间： 2022-12-28 23:45:37

品牌	Logo	应用领域
凌特 - Linear		控制器
页数	文件大小	规格书
16页	428K
描述
Push Button On/Off Controller

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LTC295ICDDB-2-TRPBF 数据手册

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LTC2950-1/LTC2950-2

Push Button On/Off

Controller

FEATURES

DESCRIPTION

The LTC^®2950 is a micropower, wide input voltage range,

push button ON/OFF controller. The part contains a push

buttoninputwithindependentlyprogrammableONandOFF

debounce times that control the toggling of an open drain

enable output. The part also contains a simple micropro-

cessor interface to allow for proper system housekeeping

prior to power down. Under system fault conditions, an

internal KILL timer ensures proper power down.

■

Adjustable Push Button On/Off Timers

■

Low Supply Current: 6μA

■

Wide Operating Voltage Range: 2.7V to 26V

■

EN Output (LTC2950-1) Allows DC/DC Converter

Control

■

EN Output (LTC2950-2) Allows Circuit Breaker

Control

■

Simple Interface Allows Graceful μP Shut Down

■

High Input Voltage PB Pin with Internal Pull Up

The LTC2950 operates over a wide 2.7V to 26V input

voltage range to accommodate a wide variety of input

power supplies. Very low quiescent current (6μA typical)

makes the LTC2950 ideally suited for battery powered

applications. Two versions of the part are available to ac-

commodate either positive or negative enable polarities.

The parts are available in either 8-lead 3mm × 2mm DFN

or ThinSOT packages.

Resistor

10kV ESD HBM on PB Input

■

Accurate 0.6V Threshold on KILL Comparator Input

8-Pin 3mm × 2mm DFN and ThinSOT^TMPackages

■

APPLICATIONS

■

Portable Instrumentation Meters

■

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

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

respective owners.

Blade Servers

■

Portable Customer Service PDA

Desktop and Notebook Computers

■

TYPICAL APPLICATION

Turn On Debounce

3V – 26V

OUT

DC/DC

BUCK

SHDN

2V/DIV

10k

LTC2950-1

ONT

INT

μP/μC

KILL

OFFT

KILL

GND

2950 TA01

2950 TA01b

10ms/DIV

ONT

OFFT

0.033μF

*OPTIONAL

295012fb

12 3 4 5 6 7...16

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