Datasheet
LTC2917/LTC2918
14
29178fb
TYPICAL APPLICATIONS
3.3V, –10% Tolerance Supply Monitor
with Disabled Watchdog 1.8V, –5% Supply Monitor with Manual Reset
1.5V Supply Monitor with Tolerance Control for Margining,
–5% Operation with –15% Margining
3.3V
C
BYPASS
0.1μF
R
PU
10k
29178 TA06
VM
SEL1 GND
SEL2
TOL
V
CC
V
CC
LTC2917 μP
RST
WDI
RST
GND RTWT
C
RT
1.8V
C
BYPASS
0.1μ F
R
PU
10k
29178 TA07
VM
SEL1 GND
SEL2
MR
RT
V
CC
V
CC
LTC2918 μP
RST
RST
WDI I/O
GND
10k*
*OPTIONAL RESISTOR RECOMMENDED TO EXTEND ESD TOLERANCE
C
RT
MANUAL RESET
PUSHBUTTON
WT
C
WT
3.3V
1.5V
C
BYPASS
0.1μF
R
PU
10k
29178 TA08
VM
SEL1
GNDSEL2
RT
V
CC
V
CC
LTC2917 μP
RST
RST
WDI I/O
TOL I/O
GND
C
RT
WT
C
WT
–5%–15%