LTC1421 LINER [Linear Technology], LTC1421 Datasheet - Page 22

• Manufacturer Part Number: LTC1421
• Description: Hot Swap Controller
• Manufacturer: LINER [Linear Technology]

APPLICATIONS
LTC1421/LTC1421-2.5
22
– 48V
5V
BACKPLANE
5V
PC BOARD
U
BACKPLANE
INFORMATION
S1
U
PC BOARD
Figure 25. Hot Swappable 5V Supply with Overvoltage Protection
C1
1 F
24
2
4
3
1
Figure 24. 5V and – 48V to 12V Hot Swappable Supply
FAULT
W
0.005
23
VN2222
1k
+
1W
R1
Q2
S1
C1
1 F
MTB50N06E
22
12
Q1
LTC1421
21
U
24
12
20
1
3
2
0.005
1/2W
5
R1
19
12
23
18
MTB50N06E
C3
0.47 F
22
17
7
Q1
21
100
LTC1421
16
20
R6
15k
1/8W
10
9
13
14
8
11
15
6
19
18
IRF530
C2
1 F
17
Q3
2N5401
R5
4.3k
1/8W
340
1/8W
R3
16
10
7
8
14
13
15
R4
10k
1/8W
C2
0.1 F
Q3
VN2222
R7
1k
1/8W
+
R3
47.5k
R4
10k
C5
220 F
100V
1421 F24
1421 F25
RESET
GND
V
+
1
2
CC
P
+IN
–IN
ASD10-48D12
+
ASTRODYNE
CONTROL
C4
2200 F
16V
2200 F
16V
– OUT
6
+OUT
5V
8A
5V
8A
3
5
+
+
C7
100 F
16V
C6
100 F
16V
12V
0.42A
–12V
0.42A