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LTC1726HMS8-5#PBF

Description
IC TRPL SUPPLY MONITOR 5V 8-MSOP
CategoryPower/power management    The power supply circuit   
File Size215KB,14 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
Download Datasheet Parametric View All

LTC1726HMS8-5#PBF Overview

IC TRPL SUPPLY MONITOR 5V 8-MSOP

LTC1726HMS8-5#PBF Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?conform to
MakerLinear ( ADI )
Parts packaging codeMSOP
package instructionTSSOP, TSSOP8,.19
Contacts8
Manufacturer packaging codeMS8
Reach Compliance Codecompliant
ECCN codeEAR99
Adjustable thresholdYES
Analog Integrated Circuits - Other TypesPOWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 codeS-PDSO-G8
JESD-609 codee3
length3 mm
Humidity sensitivity level1
Number of channels3
Number of functions1
Number of terminals8
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Encapsulate equivalent codeTSSOP8,.19
Package shapeSQUARE
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)NOT SPECIFIED
power supply3.3,5 V
Certification statusNot Qualified
Maximum seat height1.1 mm
Maximum supply current (Isup)0.03 mA
Maximum supply voltage (Vsup)7 V
Minimum supply voltage (Vsup)1 V
Nominal supply voltage (Vsup)3.3 V
surface mountYES
technologyCMOS
Temperature levelAUTOMOTIVE
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width3 mm
LTC1726
Triple Supply Monitor and
µP Supervisor with Adjustable
Reset and Watchdog Timer
FeaTures
n
DescripTion
The
LTC
®
1726
is a triple supply monitor and microproces-
sor supervisory circuit with adjustable reset and watchdog
functions intended for systems with multiple supply volt-
ages. The part has a common open-drain reset output
with an adjustable delay. The reset and watchdog time-out
periods are both adjustable using external capacitors.
Tight 1.5% accuracy specifications and glitch immunity
ensure reliable reset operation without false triggering.
The
RST
output is guaranteed to be in the correct state for
V
CC5
/V
CC25
or V
CC3
down to 1V. The LTC1726 may also be
configured to monitor any one or two V
CC
inputs instead
of three, depending on system requirements.
The low (16µA typical) supply current makes the LTC1726
ideal for power-conscious systems.
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property
of their respective owners.
n
n
n
n
n
n
n
n
Monitors Three Inputs Simultaneously
LTC1726-5: 5V, 3.3V and ADJ
LTC1726-2.5: 2.5V, 3.3V and ADJ
±1.5% Threshold Accuracy Over Temperature
Low Supply Current: 16µA Typ
Adjustable Reset Timeout
Adjustable Watchdog Timeout
Active Low Open-Drain Reset Output
Power Supply Glitch Immunity
Guaranteed
RESET
for V
CC3
≥ 1V or V
CC25
/V
CC5
≥ 1V
MS8 and SO-8 Packages
applicaTions
n
n
n
n
n
Desktop Computers
Notebook Computers
Intelligent Instruments
Portable Battery-Powered Equipment
Network Servers
Typical applicaTion
A 3.3V, 5V and 1.8V Monitor
1.8V
(V
TRIP
= 1.665V)
3.3V
0.1µF
5V
0.1µF
C
RT
47nF
C
WT
47nF
2
8
1
3
6
R1
66.5k
1%
R2
100k
1%
RESET
µP
I/O
C
WT
47nF
3.3V
0.1µF
2.5V
0.1µF
C
RT
47nF
2
8
1
3
6
A 3.3V, 2.5V and 1.8V Monitor
1.8V
(V
TRIP
= 1.665V)
R1
66.5k
1%
R2
100k
1%
RESET
µP
I/O
V
CC5
V
CC3
V
CCA
RT
RST
LTC1726-5
V
CC25
V
CC3
V
CCA
RT
RST
LTC1726-2.5
7
WT
GND
WDI
7
WT
GND
WDI
5
5
t
RT
= 155ms
t
WT
= 1s
4
1726 TA01
t
RT
= 155ms
t
WT
= 1s
4
1726 TA02
1726fd
For more information
www.linear.com/LTC1726
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