Datasheet

LTC1726
7
1726fd
For more information www.linear.com/LTC1726
block DiagraM
TiMing DiagraM
BANDGAP
REFERENCE
ADJUSTABLE
RESET
PULSE
GENERATOR
TRANSITION DETECT
–
+
–
+
–
+
1
5 7
V
CC3
WDI
2
V
CC5
/V
CC25
3
V
CCA
4
GND
1V
1726 BD
6
RST
2µA
22µA
6µA
V
CC3
V
CC3
V
CC5
/V
CC25
V
CC
INTERNAL
WT
WATCHDOG
TIMER
POWER
DETECT
8
RT
C
RT
+
2µA
22µA
C
WT
+
t
RT
1726 TD01
V
RTX
V
CCX
RST
t
UV
1.5V
t
WP
t
WT
t
RT
t
WT
1726 TD02
WDI
RST
t
RT
1.5V
V
CC
Monitor Timing Watchdog Timing Diagram