LTC1421 LINER [Linear Technology], LTC1421 Datasheet - Page 24

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

RELATED PARTS
PART NUMBER
LTC1155
LTC1477/LTC1478
LTC1421/LTC1421-2.5
TYPICAL
24
POWER GOOD
CONTROLLER
PCI POWER
SELECT BITS
BUS ENABLE
DATA BUS
ON/OFF
500mA
100mA
FAULT
RST #
–12V
3.3V
7.5A
12V
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
5V
5A
APPLICATION
16V
1 F
C1
+
R14
5.1k
24
12
DESCRIPTION
Dual High Side Switch Driver
Single and Dual Protected High Side Switches
1
4
5
3
2
ALL RESISTORS 5%, 1/16W EXCEPT WHERE NOTED
QuickSwitch
23
0.005
1/2W
5%
R1
22
U
21
R12
10
Q1
IRF7413
LTC1421
20
MOTHERBOARD OR BACKPLANE
Figure 27. PCI Power Controller
19
0.015
5%
1W
R2
18
1/2 IRF7101
R4
30
Q3
17
R11
10
16
10
11
6
7
8
14
13
15
9
20k
R5
R10
100k
C2
0.22 F
24V
R13
5.1k
COMMENTS
Short-Circuit Protection and Micropower Standby Operation
Inrush Current Limited, Built-In 2A Short-Circuit Protection
Q5
TP0610T
1/2 IRF7101
Q2
R7
130k
R9
10
0.005
R6
100
1%
1/16W
R8
5.62k
1%
1/16W
5%
1W
R3
142125fa LT/TP 1098 2K REV A • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 1996
C3
1 F
24V
IRF7413
Q4
1421 F27
CONNECTOR
PCI
12V
3.3A CIRCUIT BREAKER
3.3V
11.5A CIRCUIT BREAKER
5V
10A CIRCUIT BREAKER
GND
– 12V
NO CIRCUIT BREAKER
PCI PERIPHERAL
RST #
LOGIC