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| LTC2917 Datasheet, PDF (13/16 Pages) Linear Technology – Low Voltage Supervisorwith 27 Selectable Thresholds and Watchdog Timer | |||
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TYPICAL APPLICATIONS
1V Supply Monitor with Windowed Watchdog Timeout
and Internal Timers Selected
3.3V
CBYPASS
RPU
0.1μF
10k
LTC2917/LTC2918
12V Supply Monitor with 20ms Reset Timeout and 3.4s
Watchdog Timeout, with 3.3V Logic Out
3.3V
CBYPASS
RPU
0.1μF
10k
VCC
VCC
LTC2917-B
1V
VM
RST
SEL1
WDI
SEL2
TOL
GND WT RT
μP
RST
I/O GND
29178 TA02
3.3V
tWDU = 1.6s
tWDL = 50ms
tRST = 200ms
VCC
VCC
LTC2917-A
12V
VM
RST
SEL1
WDI
SEL2
TOL
GND WT
RT
μP
RST
I/O GND
29178 TA03
CWT
0.047μF
CRT
0.0022μF
9V, â15% Tolerance Supply Monitor
with 1.8V Logic Out
1.8V
CBYPASS
RPU
9V
0.1μF
10k
R2
866k
R1
51.1k
VCC
LTC2917-A
VM
RST
SEL1
WDI
SEL2
TOL
GND WT
RT
CWT
CRT
VCC
μP
RST
I/O GND
29178 TA04
29178f
13
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