LTC4241
16
sn4241 4241f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
q
FAX: (408) 434-0507
q
www.linear.com
?LINEAR TECHNOLOGY CORPORATION 2002
LT/TP 0303 2K " PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATIO
PART NUMBER
DESCRIPTION
COMMENTS
LTC1421
2-Channel Hot Swap Controller
Operates from 3V to 12V and Supports 12V
LTC1422
Hot Swap Controller in SO-8
System Reset Output with Programmable Delay
LT1641-1/LT1641-2
High Voltage Hot Swap Controller
Operates from 9V to 80V, SO-8 Package, Latch Off/Auto Retry
LTC1642
Fault Protected Hot Swap Controller
Operates Up to 16.5V, Protected to 33V
LTC1643AL/LTC1643AL-1/LTC1643AH PCI-Bus Hot Swap Controller
3.3V, 5V and ?2V in Narrow 16-Pin SSOP Package
LTC1644
CompactPCI
Bus Hot Swap Controller
3.3V, 5V and ?2V, 1V Precharge, Local PCI Logic
LTC1645
2-Channel Hot Swap Controller
Operates from 1.2V to 12V, Power Sequencing
LTC1646
CompactPCI Dual Hot Swap Controller
3.3V and/or 5V Supplies, 1V Precharge, Local PCI Reset Logic
LTC1647-1/LTC1647-2/LTC1647-3
Dual Hot Swap Controllers
Operates from 2.7V to 16.5V
LTC4211
Single Channel, Hot Swap Controller
2.5V to 16.5V Operation, Multilevel Current Control,
MSOP Package
LTC4230
Triple Channel, Hot Swap Controller
1.7V to 16.5V Operation, Multilevel Current Control
LT4250L/LT4250H
48V Hot Swap Controller in S0-8
Operates from 20V to 80V, Active Current Limiting
LTC4251
48V Hot Swap Controller in S0T-23
48V Hot Swap Controller, Active Current Limiting
LTC4252
48V Hot Swap Controller in MSOP
Active Current Limiting With Drain Acceleration
LTC4253
48V Hot Swap Controller and Sequencer Active Current Limiting With Drain Acceleration and Three
Sequenced Power Good Outputs
LTC4350
Hot Swappable Load Share Controller
Output Voltages from 1.5V to 12V
Figure 9. System Without 3.3V Supply
4
3
2
1
AUXIN AUXSENSE AUXGATE 3V
IN
5V
IN
3V
SENSE
5V
SENSE
GATE 3V
OUT
5V
OUT
GND
12V
IN
V
EEIN
AUXON
ON
FAULT
PWRGD
C3
10nF
R6
10&
C1
0.047礔
C2
0.1礔
R4
10&
R3
0.07&
R1
0.007&
4
3
2
1
R7
100&
R8 10k
R9 10k
LTC4241
8
1
2
12
5
6
7
20
19
4
11
10
9 13
17
14
16
15
3
18
PCI
POWER
SYSTEM
CONTROLLER
SYSTEM
POWER
SUPPLY
BACKPLANE
CONNECTOR
GND
5V
5A
3.3V
AUX
500mA
12V
500mA
12V
100mA
Q1
IRF7413
Q3
Si4412ADY
4241 F09
12V
OUT
V
EEOUT
TIMER
CompactPCI is a trademark of the PCI Industrial Computer Manufactures Group
ThinSOT is a trademark of Linear Technology Corporation
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