LTC2911
20
2911f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2010
LT 0910 • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
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%)
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 Timeouts
LTC1727/LTC1728 Micropower Triple Supply Monitor With Open-Drain Reset Individual Monitor Outputs in MSOP/5-Lead SOT-23
LTC1985-1.8 Micropower Triple Supply Monitor with Push-Pull Reset
Output
5-Lead SOT-23 Package
LTC2909 Precision, Triple/Dual Input UV, OV and Negative Voltage
Monitor
8-Lead SOT-23 and DFN Packages
LTC2912/LTC2913/
LTC2914
Single/Dual/Quad UV and OV Voltage Monitors Separate V
CC
Pin, Adjustable Reset Timer, H-Grade Temperature
Range
LTC2915/LTC2916/
LTC2917/LTC2918
Single Voltage Monitor With 27 Unique Thresholds
Manual Reset, Watchdog, TSOT-8/MSOP-10 and 3mm × 2mm DFN
Packages, H-Grade Temperature Range
LTC2919 Precision, Triple/Dual Input UV, OV and Negative Voltage
Monitor
10-Lead 3mm × 2mm and MSOP Packages, H-Grade Temperature
Range (Individual Outputs for ADJ Comparators and System RST)
Triple Supply Monitor with Early Power-Fail Warning (With Manual Reset and Latchable Reset for Margining)
+
LTC2911-3
R2
76.8k
R
ESD
*
10k
R1
100k
R4
1.43M
Li-Ion
*OPTIONAL RESISTOR FOR ADDED ESD PROTECTION
V
TRIP
= 3.37V
V
TRIP
= 0.88V
3.3V
1.8V
1.0V
R3
249k
V1
V2
ADJ
RESET
LOBAT
RST
PFO
TMR
VN2222
PFI
C
TMR
2.2nF
0.1µF
RST_LATCH
SIGNAL HIGH
TO PERFORM
MARGINING
2911 TA07
GND
SYSTEM
LOGIC
DC/DC
CONVERTER