LTC1421CSW#TR Linear Technology, LTC1421CSW#TR Datasheet - Page 20

• Manufacturer Part Number: LTC1421CSW#TR
• Description: IC CONTROLLER HOTSWAP ADJ 24SOIC
• Manufacturer: Linear Technology
• Type: Hot-Swap Controllerr

Specifications of LTC1421CSW#TR

• Applications: General Purpose
• Internal Switch(s): No
• Voltage - Supply: 3 V ~ 12 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 24-SOIC (0.300", 7.50mm Width)
• Linear Misc Type: Positive Low Voltage
• Family Name: LTC1421
• Package Type: SOIC W
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 12V
• Operating Temperature (min): 0C
• Operating Temperature (max): 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 24
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

APPLICATIONS
LTC1421/LTC1421-2.5
20
FAULT
POR
24V
BACKPLANE
– 48V
– 48V
BACKPLANE
PC BOARD
U
PC BOARD
5.1V
D1
INFORMATION
U
S1
R1
5.1k
1/4W
+
0.1 F
C1
1 F
Figure 22. 24V to 5V Hot Swappable Supply Using the LT1074CT
C2
2.2 F
25V
24
2
4
3
1
W
R1
5.1k
0.1 F
D1
4.3V
23
Figure 21. – 48V to 5V Hot Swappable Supply
22
12
21
11
24
12
LTC1421
1
3
2
5
20
U
19
23
18
2.2 F
25V
17
22
C3
LTC1421
+
16
19
10
9
13
14
8
11
15
6
7
18
300
1/8W
R4
R2
15k
1/8W
IRFR9110
17
1 F
Q1
Q2
MPSA06
R3
56k
1/8W
8
14
13
15
R3
10k
R2
300
R5
10k
1/2W
R6
620
1/8W
+
C1
0.1 F
1 F
C4
200 F
50V
Q1
5
2
100
R9
2.7k
C6
0.01 F
V
V
IN
C
LT1074CT
GND
4.7k
100 F
1N4148
3
1421 F22
V
SW
FB
4
1
+
–
D4
MBR745
50 H
VI-J30-CY
GATE IN
L1
VICOR
4N25
+
–
R7
2.8k
1%
R8
2.21k
1%
10A
5V
+
1421 F21
100 F
C5
500 F
25V
5V
5A