LTC2966
20
2966fb
For more information www.linear.com/LTC2966
LINEAR TECHNOLOGY CORPORATION 2015
LT 0316 REV B • 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/LTC2966
RELATED PARTS
TYPICAL APPLICATION
PART NUMBER DESCRIPTION COMMENTS
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LTC1440/LTC1441/
LTC1442
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LTC1726/LTC1727/
LTC1728
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LTC1985 Micropower Triple Supply Monitor with Push-Pull Reset Output 5-Lead SOT-23 Package
LTC2900/LTC2901/
LTC2902
Programmable Quad Supply Monitor Adjustable Reset, Watchdog Timer and Tolerance,
10-Lead MSOP and DFN Packages
LTC2903 Precision Quad Supply Monitor 6-Lead SOT
-23 and DFN Packages
LTC2904/LTC2905/
LTC2906/LTC2907
Three-State Programmable Precision Dual Supply Monitor 8-Lead SOT-23 and DFN Packages
LTC2908 Precision Six-Supply Monitor (Four Fixed and Two Adjustable) 8-Lead TSOT-23 and DFN Packages
LTC2909/LTC2919 Precision Triple/Dual Input UV, OV and Negative Voltage Monitor Shunt Regulated V
CC
Pin, Adjustable Threshold and Reset
LTC2910 Octal Positive/Negative Voltage Monitor Separate V
CC
Pin, Eight Inputs, Up to Two Negative Monitors
Adjustable Reset Timer, 16-Lead SSOP and DFN Packages
LTC2912/LTC2913/
LTC2914
Single/Dual/Quad UV and OV Voltage Monitors Separate V
CC
Pin, Adjustable Reset Timer
LTC2915/LTC2916/
LTC2917/LTC2918
Single Voltage Supervisors with 27 Pin-Selectable Thresholds Manual Reset and Watchdog Functions, 8- and 10-Lead
TSOT-23, MSOP and DFN Packages
LTC2965 100V Micropower Single V
oltage Monitor 3.5V to 98V Monitoring Range, 3.5V to 100V Operating Range,
7µA Quiescent Current
LTC2960 36V Nano-Current Two Input Voltage Monitor
36V, 850nA Quiescent Current, 2mm × 2mm 8-Lead DFN and
TSOT-23 Packages
LT6700 Micropower Dual Comparator with 400mV Reference SOT-23, 2mm × 3mm DFN Package
Figure 12. Monitoring Negative Voltage with Isolation
V
INA
R5
10k
R6
1k
2966 F12
REF
–48V
RTN
INHA
INLA
INHB
INLB
OUTA
OUTB
LTC2966
R9
100k
R10
100k
R4
66.5k
C1
1000pF
10V
R3
33.2k
R2
66.5k
R1
232k
V
INB
4N25
4.2mA
AT –48V
4.2mA
AT –48V
5V
UV
OV
5V
SYS
R7
10k
R8
1k
4N25
–48V UV/OV MONITOR
CHANNEL
RISING THRESHOLD
FALLING THRESHOLD
HYSTERESIS
RANGE
A
–40.0V
–36.0V
–4.0V
20x
B
–72.0V
–56.0V
–16.0V
40x
GNDPSA RS1A RS2A PSB RS1B RS2B
