LTC1421 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1421' PDF : 24 Pages View PDF
LTC1421/LTC1421-2.5
APPLICATIONS INFORMATION
5V
– 48V
R1
0.005Ω
1 1W 2
Q1
MTB50N06E
3
4
23
2
24
C1
1µF
4
3
1
S1
10k
22 21 20 19 18 17 16
10
9
13
14
LTC1421
8
11
15
6
12
5
7
C2
1µF
1µF
R3
340Ω
1/8W
R5
4.3k
1/8W
Q3
2N5401
5V
+
8A
R7
CLOAD
1k
1/8W
1
3
+ C5
+IN +OUT +
220µF ASTRODYNE
100V 2 ASD10-48D12 5
–IN – OUT
CONTROL
6
+
12V
C7 0.42A
100µF
16V
– 12V
C6 0.42A
100µF
16V
C3
0.47µF
R6
15k
1/8W
IRF530
R4
10k
1/8W
1421 F24
BACKPLANE
PC BOARD
Figure 24. 5V and – 48V to ±12V Hot Swappable Supply
22
R1
0.005Ω
Q1
5V
1 1/2W 2 MTB50N06E
1k
3
4
12Ω
100Ω
Q3
VN2222
5V
+
8A
CLOAD
Q2
VN2222
R3
10k
47.5k
C1
1µF
S1
23 22 21 20 19 18 17 16
1
10
24
3
LTC1421
7
8
2
14
13
12
15
C2
0.1µF
1µF
VCC
µP
RESET
GND
R4
10k
1421 F25
BACKPLANE PC BOARD
Figure 25. Hot Swappable 5V Supply with Overvoltage Protection
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