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For more information www.linear.com/LTC2914
LINEAR TECHNOLOGY CORPORATION 2006
LT 1213 REV C • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
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www.linear.com/LTC2914
Quad UV/OV Supply Monitor with LED Undervoltage and Overvoltage Indicator
and Manual Undervoltage Reset Button, 10% Tolerance, 12V, 5V, 3.3V, 2.5V
PART NUMBER DESCRIPTION COMMENTS
LTC1326/
LTC1326-2.5
Micropower Precision Triple Supply Monitor for 5V/2.5V, 3.3V
and ADJ
4.725V, 3.118V, 1V Threshold (±0.75%)
LTC1726-2.5/
LTC1726-5
Micropower Triple Supply Monitor for 2.5V/5V, 3.3V and ADJ Adjustable RESET and Watchdog Time-Outs
LTC1727-2.5/
LTC1727-5
Micropower Triple Supply Monitor with Open-Drain Reset Individual Monitor Outputs in MSOP
LTC1728-1.8/
LTC1728-3.3
Micropower Triple Supply Monitor with Open-Drain Reset 5-Lead SOT-23 Package
LTC1728-2.5/
LTC1728-5
Micropower Triple Supply Monitor with Open-Drain Reset 5-Lead SOT-23 Package
LTC1985-1.8 Micropower Triple Supply Monitor with Push-Pull Reset 5-Lead SOT-23 Package
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 Three-State Programmable Precision Dual Supply Monitor Adjustable Tolerance, 8-Lead SOT-23 Package
LTC2905 Three-State Programmable Precision Dual Supply Monitor Adjustable RESET and Tolerance, 8-Lead SOT-23 Package
LTC2906 Precision Dual Supply Monitor 1 Selectable and 1 Adjustable Separate V
CC
Pin, RST/RST Outputs
LTC2907 Precision Dual Supply Monitor 1 Selectable and 1 Adjustable Separate V
CC
, Adjustable Reset Timer
LTC2908 Precision Six Supply Monitor 8-Lead TSOT-23 and 3mm × 2mm DFN Packages
LTC2909 Precision Dual Input UV, OV and Negative Voltage Monitor
Separate V
CC
Pin, Adjustable Reset Timer, 8-Lead TSOT-23 and
3mm × 2mm DFN Packages
relaTeD parTs
Typical applicaTion
VH1
V
CC
LTC2914-1
SYSTEM
2914 TA06
0.1μF
GND TMR
VL1
VL2
VH2
REF
VL3
VH3
OV
UV
LATCH
SEL
VL4
C
TMR
22nF
TIMEOUT = 200ms
VH4
10k100k
MANUAL
RESET BUTTON
(NORMALLY OPEN)
4.53k
1k
2.05M
19.6k4.53k
27.4k
510Ω
LED
1k
44.2k
5V
3.3V
2.5V
1k
4.53k
P0WER
SUPPLIES
510Ω
LED