LTC1421CSW#TR Linear Technology, LTC1421CSW#TR Datasheet - Page 24

• 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

RELATED PARTS
LTC1421/LTC1421-2.5
TYPICAL
PART NUMBER
LTC1155
LTC1422
LTC1477/LTC1478
LT1640L/LT1640H
LT1641
LTC1642
LTC1643L/LTC1643H
LTC1645
LTC1647
24
POWER GOOD
CONTROLLER
PCI POWER
SELECT BITS
BUS ENABLE
DATA BUS
ON/OFF
500mA
100mA
FAULT
RST #
–12V
3.3V
7.5A
12V
5V
5A
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
1 F
16V
APPLICATION
C1
R14
5.1k
DESCRIPTION
Dual High Side Switch Driver
Hot Swap Controller in SO-8
Single and Dual Protected High Side Switches
Negative Voltage Hot Swap Controller in SO-8
High Voltage Hot Swap Controller in SO-8
Fault Protected Hot Swap Controller
PCI-Bus Hot Swap Controller
2-Channel Hot Swap Controller
Dual Hot Swap Controller
24
12
1
4
5
3
2
ALL RESISTORS 5%, 1/16W EXCEPT WHERE NOTED
3
QuickSwitch
1
23
0.005
1/2W
5%
R1
2
4
22
U
21
R12
10
Q1
IRF7413
LTC1421
20
MOTHERBOARD OR BACKPLANE
3
1
19
Figure 27. PCI Power Controller
0.015
5%
1W
R2
2
4
18
1/2 IRF7101
R4
30
Q3
17
R11
10
16
10k
10
11
6
7
8
14
13
15
9
20k
R5
R10
100k
C2
0.22 F
25V
R13
5.1k
1 F
COMMENTS
Short-Circuit Protection and Micropower Standby Operation
System Reset Output with Programmable Delay
Inrush Current Limited, Built-In 2A Short-Circuit Protection
Operates from –10V to –80V
Operates from 9V to 80V
Operates Up to 16.5V, Protected to 33V
3.3V, 5V and 12V in Narrow 16-Pin SSOP
Operates from 1.2V to 12V, Power Sequencing
Dual ON Pins for Supplies from 3V to 15V
Q5
TP0610T
1/2 IRF7101
Q2
R7
130k
R9
10
3
1
0.005
R6
100
1%
1/16W
R8
5.62k
1%
1/16W
5%
1W
R3
1421fc LT/LCG 0301 2K REV C • PRINTED IN USA
2
4
LINEAR TECHNOLOGY CORPORATION 1996
C3
1 F
25V
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