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LTC2950CTS8-2#TRMPBF (CUT REEL)

Description
Controller 2.7V to 26.4V 8-Pin TSOT-23 T/R
File Size213KB,18 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Parametric View All

LTC2950CTS8-2#TRMPBF (CUT REEL) Overview

Controller 2.7V to 26.4V 8-Pin TSOT-23 T/R

LTC2950CTS8-2#TRMPBF (CUT REEL) Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
TypeController
Input Voltage (V)2.7 to 24.6
Minimum Operating Supply Voltage (V)2.7
Maximum Operating Supply Voltage (V)26.4
Maximum Supply Current (mA)0.012
Minimum Operating Temperature (°C)0
Maximum Operating Temperature (°C)70
Supplier Temperature GradeCommercial
PackagingTape and Reel
Standard Package NameSOT-23
Pin Count8
Supplier PackageTSOT-23
MountingSurface Mount
Package Height0.9(Max)
Package Length2.9
Package Width1.75(Max)
PCB changed8
Lead ShapeGull-wing
LTC2950-1/LTC2950-2
Pushbutton On/Off
Controller
FeaTures
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DescripTion
The LTC
®
2950 is a micropower, wide input voltage range,
pushbutton ON/OFF controller. The part contains a pushbut-
ton input with independently programmable ON and OFF
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.
The LTC2950 operates over a wide 2.7V to 26.4V 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.
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
ThinSOT and PowerPath are trademarks of Linear Technology Corporation. All other trademarks
are the property of their respective owners.
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Adjustable Pushbutton On/Off Timers
Low Supply Current: 6µA
Wide Operating Voltage Range: 2.7V to 26.4V
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
Resistor
±10kV ESD HBM on
PB
Input
Accurate 0.6V Threshold on
KILL
Comparator Input
8-Pin 3mm
×
2mm DFN and ThinSOT™ Packages
applicaTions
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Portable Instrumentation Meters
Blade Servers
Portable Customer Service PDA
Desktop and Notebook Computers
Typical applicaTion
V
IN
2.7V TO 26.4V
Turn On Debounce
V
IN
V
OUT
DC/DC
BUCK
SHDN**
EN
R1
10k
INT
KILL
2950 TA01
2950 TA01b
V
IN
LTC2950-1
PB
GND
ONT
C
ONT
*
0.033µF
EN
INT
KILL
OFFT
C
OFFT
*
0.033µF
2V/DIV
PB
µP/µC
10ms/DIV
*OPTIONAL
**SHDN INTERNALLY PULLED UP BY DC/DC
295012fd
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