Datasheet

14
LTC1473
TYPICAL APPLICATION
U
Protected Automatic Switchover Between Two Supplies
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
IN1
IN2
DIODE
TIMER
V
+
V
GG
SW
GND
GA1
SAB1
GB1
SENSE
+
SENSE
–
GA2
SAB2
GB2
LTC1473
+
L1*, 1mH
C5
1µF
+
C7
1µF
C6
4700pF
–
+
5
6
7
–
+
3
2
1
8
4
1M
1M
10k
10k
1M
SUPPLY V2
SUPPLY V1
1M
1µF
5V
18
3
LT1121-5
D1
MMBD2838LT1
Q1
Si9926DY
Q2
Si9926DY
R3
0.033Ω
OUT
*1812LS-105XKBC, COILCRAFT
1473 TA04
LT1490