Datasheet

13
LTC2902
2902f
Quad Supply Monitor, 5% Tolerance
5V, 3V, 1.8V, 12V (ADJ)
TYPICAL APPLICATIO S
U
5V, –5V Monitor with Unused V2, V3 Inputs Pulled
Above Trip Thresholds (5% Tolerance)
COMP2
COMP4
V2
V4
V
REF
V
PG
GND
T1
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
COMP3
COMP1
V3
V1
CRT
RST
T0
RDIS
R4
121k
1%
R3
464k
1%
SYSTEM
RESET
–5V
5V
R2
86.6k
1%
R1
16.2k
1%
LTC2902
V
TRIP
= –4.64V
2902 TA03
C
RT
COMP2
COMP4
V2
V4
V
REF
V
PG
GND
T1
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
COMP3
COMP1
V3
V1
CRT
RST
T0
RDIS
R3
2.15M
1%
SYSTEM
RESET
1.8V 3V
12V
5V
C
RT
R4
100k
1%
LTC2902
V
TRIP
= 11.25V
2902 TA02