Datasheet

LTC1726
11
1726fc
Typical applicaTions
Dual Supply Monitor (3.3V or 5V Plus Adjustable)
Dual Supply Monitor (3.3V Plus Adjustable)
Using V
CCA
Tied to DC/DC Feedback Divider
1
2
3
4
8
7
6
5
V
CC3
V
CC5
V
CCA
GND
RT
WT
RST
WDI
LTC1726-5
R2*
1726 TA06
R1*
ADJUSTABLE
SUPPLY
3.3V OR
5V
10k
SYSTEM RESET
*TO PRESERVE THRESHOLD ACCURACY, SET PARALLEL
COMBINATION OF R1 AND R2 ≤ 66.5k
C
RT
C
WT
WDI
REFER TO LTC1726-X OVERRIDE FUNCTIONS IN
THE APPLICATIONS INFORMATION SECTION
1
2
3
4
8
7
6
5
V
CC3
V
CC25
V
CCA
GND
RT
WT
RST
WDI
LTC1726-2.5
SYSTEM RESET
WDI
R2*
1726 TA07
R1*
ADJUSTABLE
SUPPLY
3.3V
10k
*TO PRESERVE THRESHOLD ACCURACY, SET PARALLEL
COMBINATION OF R1 AND R2 ≤ 66.5k
C
RT
C
WT
1
2
3
4
8
7
6
5
V
CC3
V
CC5
V
CCA
GND
RT
WT
RST
WDI
LTC1726-5
3.3V
SYSTEM RESET
WDI
5V
22.1k
1%
1726 TA08
35.7k
1%
LTC1435
ADJUSTABLE
RESET TRIP
THRESHOLD 2.74V
2.9V
2.8k
1%
6
V
OSENSE
C
RT
C
WT