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LTC2951CTS8-2

Description
Controller 2.7V to 26.4V 8-Pin TSOT-23
File Size197KB,16 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Download user manual Parametric Compare View All

LTC2951CTS8-2 Overview

Controller 2.7V to 26.4V 8-Pin TSOT-23

LTC2951CTS8-2 Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesNot Compliant
ECCN (US)EAR99
Part StatusLTB
HTS8542.39.00.01
SVHCYes
SVHC Exceeds ThresholdYes
TypeController
Input Voltage (V)2.7 to 26.4
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
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
LTC2951-1/LTC2951-2
Push Button On/Off
Controller
FEATURES
DESCRIPTIO
Adjustable Push Button Debounce and Delay
Timers
Low Supply Current: 6µA
Wide Operating Voltage Range: 2.7V to 26V
EN Output (LTC2951-1) Allows DC/DC Converter
Control
E
N Output (LTC2951-2) Allows Circuit Breaker
Control
Simple Interface Allows Graceful µP Shut Down
High Input Voltage
P
B Pin with Internal Pull Up
Resistor
±10kV ESD HBM on
P
B Input
Accurate 0.6V Threshold on
K
I
L
L Comparator Input
8-Pin 3mm
×
2mm DFN and ThinSOT
TM
Packages
The LTC
®
2951 is a micropower, wide input voltage range
push button ON/OFF controller. The part contains a push
button input which controls the toggling of an open drain
enable output. The push button turn OFF debounce time
is externally programmable, while the turn ON debounce
time is fixed at 128ms. A simple microprocessor interface
allows for proper system housekeeping prior to power
down. Under system fault conditions, an adjustable
K
I
L
L
timeout delay ensures proper power down.
The LTC2951 operates over a 2.7V to 26V input voltage
range to accommodate a variety of input power supplies.
Very low quiescent current (6µA typical) makes the
LTC2951 ideally suited for battery powered applications.
Two versions of the part are available to accommodate
either positive or negative enable polarities. The parts
are available in 8-pin 3mm
×
2mm DFN and ThinSOT
packages.
, 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.
APPLICATIO S
Portable Instrumentation Meters
Blade Servers
Portable Customer Service PDA
Desktop and Notebook Computers
TYPICAL APPLICATIO
V
IN
3V – 26V
V
IN
V
OUT
DC/DC
BUCK
SHDN
EN
V
IN
LTC2951-1
PB
GND KILLT
C
KILLT
*
0.033µF
EN
INT
KILL
OFFT
2951 TA01
R1
10k
INT
KILL
µP/µC
2V/DIV
128ms
PB
C
OFFT
*
0.033µF
*OPTIONAL
U
Turn On Debounce
25ms/DIV
2951 TA01b
U
U
295112fa
1

LTC2951CTS8-2 Related Products

LTC2951CTS8-2 LTC2951CTS8-1 LTC2951ITS8-1
Description Controller 2.7V to 26.4V 8-Pin TSOT-23 Controller 2.7V to 26.4V 8-Pin TSOT-23 Controller 2.7V to 26.4V 8-Pin TSOT-23
EU restricts the use of certain hazardous substances Not Compliant Not Compliant Not Compliant
ECCN (US) EAR99 EAR99 EAR99
Part Status LTB Unconfirmed Unconfirmed
SVHC Yes Yes Yes
SVHC Exceeds Threshold Yes Yes Yes
Type Controller Controller Controller
Input Voltage (V) 2.7 to 26.4 2.7 to 26.4 2.7 to 26.4
Minimum Operating Supply Voltage (V) 2.7 2.7 2.7
Maximum Operating Supply Voltage (V) 26.4 26.4 26.4
Maximum Supply Current (mA) 0.012 0.012 0.012
Maximum Operating Temperature (°C) 70 70 85
Supplier Temperature Grade Commercial Commercial Industrial
Standard Package Name SOT-23 SOT-23 SOT-23
Pin Count 8 8 8
Supplier Package TSOT-23 TSOT-23 TSOT-23
Mounting Surface Mount Surface Mount Surface Mount
Package Height 0.9(Max) 0.9(Max) 0.9(Max)
Package Length 2.9 2.9 2.9
Package Width 1.75(Max) 1.75(Max) 1.75(Max)
PCB changed 8 8 8
Lead Shape Gull-wing Gull-wing Gull-wing
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