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LTC1326/LTC1326-2.5
132625fc
© LINEAR TECHNOLOGY CORPORATION 2006
LT 1006 REV C • PRINTED IN THE USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear-tech.com
Triple Supply Monitor with 3.3V and 5V System Resets
V
CC3
V
CC5
V
CCA
GND
PBR
SRST
RST
RST
LTC1326
3.3V
TO 3.3V
SYSTEM RESET
10k10k
TO 5V
SYSTEM RESET
Q1
2N7002
5V
R2
R1
1326/2.5 TA14
ADJUSTABLE SUPPLY
OR DC/DC FEEDBACK
DIVIDER
PART NUMBER DESCRIPTION COMMENTS
LTC690 5V Supply Monitor, Watchdog Timer and Battery Backup 4.65V Threshold
LTC694-3.3 3.3V Supply Monitor, Watchdog Timer and Battery Backup 2.9V Threshold
LTC699 5V Supply Monitor and Watchdog Timer 4.65V Threshold
LTC1232 5V Supply Monitor, Watchdog Timer and Push-Button Reset 4.37V/4.62V Threshold
LTC1443/LTC1444/ Micropower Quad Comparators with 1% Reference LTC1443 has 1.182V Reference, LTC1444/LTC1445
LTC1445 have 1.221V Reference and Adjustable Hysteresis
LTC1536 Precision Triple Supply Monitor for PCI Applications Meets PCI t
FAIL
Timing Specifications
LTC1540 Nanopower Comparator with 2% Reference 1.182V Reference, 300nA Supply Current, 8-Pin MSOP
LTC1726-2.5 Micropower Triple Supply Monitor for 2.5V, 3.3V and ADJ Adjustable RESET and Watchdog Time Outs
LTC1726-5 Micropower Triple Supply Monitor for 5V, 3.3V and ADJ Adjustable RESET and Watchdog Time Outs
LTC1727-2.5 Micropower Triple Supply Monitor with Individual Outputs 2.338V, 3.086V, 1V Thresholds (±1.5%) 2.5, 3.3V, ADJ
LTC1727-5 Micropower Triple Supply Monitor with Individual Outputs 4.675V, 3.086V, 1V Thresholds (±1.5%) 5V, 3.3V, ADJ
LTC1728-1.8 Micropower Triple Supply Monitor in 5-Pin SOT-23 Package 2.805V, 1.683V,1V Thresholds (±1.5%) 3V, 1.8V, ADJ
LTC1728-2.5 Micropower Triple Supply Monitor in 5-Pin SOT-23 Package 2.338V, 3.086V, 1V Thresholds (±1.5%) 2.5, 3.3V, ADJ
LTC1728-5 Micropower Triple Supply Monitor in 5-Pin SOT-23 Package 4.675V, 3.086V, 1V Thresholds (±1.5%) 5V, 3.3V, ADJ
LTC1985-1.8 Micropower Triple Supply Monitor for 3V, 1.8V and ADJ Push-Pull RESET Output, SOT-23
LTC2900 Programmable Quad Supply Monitor Adjustable Reset, 10-Lead MSOP and 3mm × 3mm 10-Lead
DFN Package
LTC2901 Programmable Quad Supply Monitor Adjustable Reset and Watchdog Timer, 16-Lead SSOP Package
LTC2902 Programmable Quad Supply Monitor Adjustable Reset and Tolerance, 16-Lead SSOP Package,
Margining Functions
LTC2903 Precision Quad Supply Monitor 6-Lead SOT-23 Package, Ultralow Voltage Reset
LTC2904/LTC3905 3-State Programmable Precision Dual Supply Monitor Adjustable Tolerance and Reset Timer, 8-Lead SOT-23 Package
LTC2906/LTC2907 Precision Dual Supply Monitor 1-Selectable and 1 Adjustable Separate V
CC
Pin, RST/RST Outputs/Adjustable Reset Timer
LTC2908 Precision Six Supply Monitor (4 Fixed and 2 Adjustable) 8-Lead SOT-23 and DDB Packages
RELATED PARTS
TYPICAL APPLICATIO
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