Datasheet

LTC2915/LTC2916
10
29156fa
TYPICAL APPLICATIONS
12V Supply Monitor Powered from 12V, Utilizing
Internal Shunt Regulator with 3.3V Logic Out
5V, –10% Tolerance Supply Monitor with
200ms Internal Reset Timeout
9V, –15% Tolerance Supply Monitor with 3.3V Logic Out 1V, –15% Tolerance Supply Monitor with 90ms Timeout
1.8V, –5% Supply Monitor with Manual Reset
1.5V Supply Monitor with Tolerance Control for Margining,
–5% Operation with –15% Margining
R
CC
11k
12V 3.3V
C
RT
C
BYPASS
0.1μF
R
PU
10k
29156 TA02
VM
SEL1 GND
SEL2
GND RT
TOL
V
CC
V
CC
LTC2915 μP
RST RST
3.3V
5V
3.3V
3.3V
C
BYPASS
0.1μF
R
PU
10k
29156 TA03
GND
V
CC
μP
RST
SEL1
VM
SEL2
GND RT
TOL
V
CC
LTC2915
RST
3.3V
9V
C
BYPASS
0.1μF
R
PU
10k
29156 TA04
GND
V
CC
μP
RST
R2
866k
R1
51.1k
C
RT
SEL1
VM
SEL2
GND RT
TOL
V
CC
LTC2915
RST
3.3V
1V
C
BYPASS
0.1μF
R
PU
10k
29156 TA05
GND
V
CC
μP
RST
C
RT
0.01μF
SEL1
VM
SEL2
GND RT
TOL
V
CC
LTC2915
RST
1.8V
C
BYPASS
0.1μF
R
PU
10k
29156 TA07
VM
SEL1 GND
SEL2
MR
GND RT
V
CC
V
CC
LTC2916 μP
RST RST
10k*
C
RT
MANUAL RESET
PUSHBUTTON
*OPTIONAL RESISTOR RECOMMENDED TO EXTEND ESD TOLERANCE
3.3V
1.5V
C
BYPASS
0.1μF
R
PU
10k
29156 TA08
GND
V
CC
μP
RST
I/O
C
RT
–5%–15%
SEL1
SEL2
GND RT
VM
V
CC
LTC2915
RST