10
LTC1841/LTC1842/LTC1843
TYPICAL APPLICATION
U
Battery Switchover Circuit
–
+
–
+
IN A
+
562k130k
1.1M
1M
OUTPUT
3.3V
LBO
WALL ADAPTER
2.4M47k
20k
0.01µF
4-CELL
BATTERY
HYST
3
9V
5
IN B
+
V
–
V
+
LTC1842
Si9433
1N5818
2
4
OUT B
1842 TA01
8
OUT A 1
7
REF6
LTC1474
STEP-DOWN
REGULATOR
1M
