LTC2912
14
2912fb
For more information www.linear.com/LTC2912
LINEAR TECHNOLOGY CORPORATION 2006
LT 0614 REV B • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035‑7417
(408) 432‑1900
●
FAX: (408) 434‑0507
●
www.linear.com/LTC2912
RELATED PARTS
TYPICAL APPLICATION
Single UV/OV Supply Monitor with 3.3V ±10%
PART NUMBER DESCRIPTION COMMENTS
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LTC694‑3.3 3.3V Supply Monitor, Watchdog Timer and Battery Backup 2.9V Threshold
LTC699 5V Supply Monitor and Watchdog Timer 4.65 Threshold
LTC1232 5V Supply Monitor, Watchdog Timer and Push‑Button Reset 4.37V/4.62V Threshold
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%)
LTC1536 Precision Triple Supply Monitor for PCI Applications Meets PCI t
FAIL
Timing Specifications
LTC1726‑2.5/
LTC1726‑5
Micropower Triple Supply Monitor for 2.5V/5V, 3.3V and ADJ Adjustable RESET and Watchdog Time‑Outs
LTC1728‑1.8/
LTC1728‑3.3
Micropower Triple Supply Monitor with Open‑Drain Reset 5‑Lead SOT‑23 Package
LTC1985‑1.8 Micropower Triple Supply Monitor with Open‑Drain 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
LTC2903‑1 Precision Quad Supply Monitor 6‑Lead TSOT‑23 Package, Ultralow Voltage Reset
LTC2904 3‑State Programmable Precision Dual Supply Monitor Adjustable Tolerance, 8‑Lead TSOT‑23 Package
LTC2905 3‑State Programmable Precision Dual Supply Monitor Adjustable RESET and Tolerance, 8‑Lead TSOT‑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 (Four Fixed and 2 Adjustable) 8‑Lead TSOT‑23 and DFN Packages
LTC2909 Prevision Dual Input UV, OV and Negative Voltage Monitor Separate V
CC
Pin, Adjustable Reset Timer, 8‑Lead TSOT‑23 and DFN
Packages
LTC2913 Dual UV/OV Voltage Monitor Separate V
CC
Pin, Tw o Inputs, Adjustable Reset Timer, 10‑Lead
MSOP and DFN Packages
LTC2914 Quad UV/OV Positive/Negative Voltage Monitor Separate V
CC
Pin, Four inputs, Up To Tw o Negative Monitors,
Adjustable Reset Timer, 16‑Lead TSSOP and DFN Packages
1k
27.4k
10k
Q1
VH
VL
GND TMR
SYSTEM
POWER
SUPPLY
OV
UV
2912 TA05
LATCH
22nF
TIMEOUT = 200ms
4.53k
V
CC
LTC2912-3
0.1µF
3.3V
12V
