LTC1728ES5-5#TRM Linear Technology, LTC1728ES5-5#TRM Datasheet - Page 16

• Manufacturer Part Number: LTC1728ES5-5#TRM
• Description: IC MON TRPL MCRPWR TSOT23-5
• Manufacturer: Linear Technology
• Type: Multi-Voltage Supervisorr

Specifications of LTC1728ES5-5#TRM

• Number Of Voltages Monitored: 3
• Output: Open Drain or Open Collector
• Reset: Active Low
• Reset Timeout: 140 ms Minimum
• Voltage - Threshold: 3.086V, 4.675V, 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: LTC1728ES5-5; LTC1728ES5-5

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
[phone]
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: [phone]
(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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