Datasheet

22
LTC1421/LTC1421-2.5
APPLICATIONS INFORMATION
WUU
U
10
9
13
14
8
11
15
6
2
24
4
3
1
R1
0.005Ω
1W
Q1
MTB50N06E
S1
LTC1421
IRF530
16
C1
1µF
171819202122
5712
23
STAGGERED CONNECTOR
2
1
5
6
3
C7
100µF
16V
5V
8A
12V
0.42A
–12V
0.42A
+
1421 F24
ASTRODYNE
ASD10-48D12
CONTROL
+IN +OUT
–IN –OUT
C2
1µF
C5
220µF
100V
R3
340Ω
1/8W
R4
10k
1/8W
R5
4.3k
1/8W
R6
15k
1/8W
C3
0.47µF
R7
1k
1/8W
C
LOAD
+
C6
100µF
16V
+
PC BOARDBACKPLANE
5V
–48V
Q3
2N5401
1µF
+
43
21
10k
Figure 24. 5V and –48V to ±12V Hot Swappable Supply
10
7
8
14
13
15
1
24
3
2
12
LTC1421
16
Q3
VN2222
C2
0.1µF
C1
1µF
17181920212223
STAGGERED CONNECTOR
C
LOAD
+
100Ω
1k
12Ω
R1
0.005Ω
1/2W
Q1
MTB50N06E
Q2
VN2222
S1
1421 F25
PC BOARDBACKPLANE
5V
R4
10k
R3
47.5k
5V
8A
1µF
RESET
GND
µP
V
CC
43
21
10k
Figure 25. Hot Swappable 5V Supply with Overvoltage Protection