LTC1728ES5-1.8#TRM Linear Technology, LTC1728ES5-1.8#TRM Datasheet - Page 16
![IC MON TRI SUPPLY 1.8V TSOT23-5](/photos/6/57/65785/tsot-23-5_05-08-1635_sml.jpg)
LTC1728ES5-1.8#TRM
Manufacturer Part Number
LTC1728ES5-1.8#TRM
Description
IC MON TRI SUPPLY 1.8V TSOT23-5
Manufacturer
Linear Technology
Type
Multi-Voltage Supervisorr
Datasheet
1.LTC1727EMS8-2.5PBF.pdf
(16 pages)
Specifications of LTC1728ES5-1.8#TRM
Number Of Voltages Monitored
3
Output
Open Drain or Open Collector
Reset
Active Low
Reset Timeout
140 ms Minimum
Voltage - Threshold
1.683V, 2.805V, Adj
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
TSOT-23-5, TSOT-5, TSOP-5
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
LTC1728ES5-1.8
LTC1728ES5-1.8
Q1135366A
LTC1728ES5-1.8
Q1135366A
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
LTC1727/LTC1728
Typical applicaTion
relaTeD parTs
PART NUMBER
LTC690
LTC694-3.3
LTC699
LTC1232
LTC1326
LTC1326-2.5
LTC1443/LTC1444
LTC1445
LTC1536
LTC1540
LTC1726-2.5
LTC1726-5
LTC1985-1.8
16
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
DESCRIPTION
5V Supply Monitor, Watchdog Timer and Battery Backup
3.3V Supply Monitor, Watchdog Timer and Battery Backup
5V Supply Monitor and Watchdog Timer
5V Supply Monitor, Watchdog Timer and Push-Button Reset
Micropower Precision Triple Supply Monitor for 5V, 3.3V and ADJ
Micropower Precision Triple Supply Monitor for 2.5V, 3.3V and ADJ
Micropower Quad Comparators with 1% Reference
Precision Triple Supply Monitor for PCI Applications
Nanopower Comparator with 2% Reference
Micropower Triple Supply Monitor for 2.5V, 3.3V and ADJ
Micropower Triple Supply Monitor for 5V, 3.3V and ADJ
Micropower Triple Supply Monitor for 3.3V, 1.8V and ADJ
●
FAX: (408) 434-0507
(NORMALLY OPEN)
RESET BUTTON
MANUAL
●
Triple Supply Monitor with Manual Reset Button
www.linear.com
*OPTIONAL RESISTOR RECOMMENDED
TO EXTEND ESD TOLERANCE
10k
5%
R3*
V
12V (±5%)
TRIP
(±0.17V)
= 11.2V
R1
1.07M
0.1%
R2
105k
0.1%
5V
100nF
3.3V
100nF
V
R1 = R2
COMMENTS
4.65V Threshold
2.9V Threshold
4.65V Threshold
4.37V/4.62V Threshold
4.725V, 3.118V, 1V Thresholds (± 0.75%)
2.363V, 3.118V, 1V Thresholds (±0.75%)
LTC1443 Has 1.182V Reference, LTC1444/LTC1445
Have 1.221V Reference and Adjustable Hysteresis
Meets PCI t
1.182V Reference, 300nA Supply Current, 8-Pin MSOP
Adjustable RESET and Watchdog Time Outs
Adjustable RESET and Watchdog Time Outs
Push-Pull RESET Output, SOT-23
TRIP
5
4
3
V
V
V
=
CC3
CC5
CCA
V
LTC1728-5
(
R2
CCA
V
V
TRIP
CCA
(R1 + R2)
FAIL
1727/28 TA02
– 1
GND
RST
)
Timing Specifications
1
2
LINEAR TECHNOLOGY CORPORATION 1999
LT 0207 REV B • PRINTED IN USA
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