16
LTC1643AL
LTC1643AL-1/LTC1643AH
1643afb
LT/LWI 1006 REV B • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2002
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LTC1421 Hot Swap Controller Multiple Supplies from 3V to 12V and –12V
LTC1422 Hot Swap Controller in SO-8 Single Supply form 3V to 12V, RESET Output
LT
®
1640A – 48V Hot Swap Controller in SO-8 –10V to –80V Supplies
LT1641-1/LT1641-2 Positive High Voltage Hot Swap Controller in SO-8 Operates from 9V to 80V, Active Current Limiting
LTC1642 Fault Protected Hot Swap Controller Operation Up to 15V, Handles Surges to 33V
LTC1644 CompactPCI Hot Swap Controller 3.3V, 5V, ±12V, Local Reset Logic, 1V Precharge
LTC1645 2-Channel Hot Swap Controller Operates from 1.2V to 12V, Power Sequencing
LTC1646 Dual CompactPCI Hot Swap Controller 3.3V, 5V Supplies, 1V Precharge, Local Reset Logic
LTC1647 Dual Hot Swap Controller Dual ON Pins for Supplies from 3V to 15V
LTC4211 Hot Swap Controller with Multifunction Current Control 2.5V to 16.5V Operation, MSOP
LTC4230 Triple Hot Swap Controller 1.7V to 16.5V Operation, Multifunction Current Control
LT4250 – 48V Hot Swap Controller in SO-8 –20V to –80V Supplies, Active Current Limiting
LTC4251 – 48V Hot Swap Controller in SOT-23 –15V Minimum Floating Supply, Active Current Limiting
LTC4252 – 48V Hot Swap Controller in MSOP Floating Supply, Power Good, Active Current Limiting
Figure 10. CompactPCI Application without ±12V Outputs
TYPICAL APPLICATIONS
U
R1
0.005Ω
1%
V(I/O)
V(I/O)
V(I/O)
Q2
IRF7413
Q1
IRF7413
R2
0.007Ω
1%
R3
10Ω
5%
R4
10Ω
5%
R5
100Ω
5%
C1
0.047µF
5V
5A
MED 5V
MED 3.3V
BD_SEL#
LONG GND
PCI_RST#
I/O
3.3V
7.6A
PRECHARGE OUT
1V ±20%
I
OUT
= ±40mA
R9
2k
5%
R12
2k
5%
LOCAL_PCI_RESET#
DATA LINE EXAMPLE
DATA BUS
R10
2k
5%
R11
1Ω
†
5%
* BZX84C15 (SOT-23)
†
VALUE MAY VARY FOR BACKPLANES WITHOUT BYPASS CAPACITANCE
R14
10Ω, 5%
11 3 13 12 14
16
15
4
8
109
5
6
3V
IN
1
2
12V
12V
IN
V
EEIN
ON
FAULT
3V
SENSE
5V
SENSE
3V
OUT
LTC1643AL-1
5V
OUT
12V
OUT
V
EEOUT
NC
NC
TIMER
5V
IN
GATE
HEALTHY#
7
PWRGD
1643A F10
C2
0.1µF
GND
CompactPCI CONNECTOR
C7
0.1µF
C3
0.01µF
C4
1µF
D1
1N4148
R8
1.2k
5%
R13
10k
5%
RESET#
LONG
3.3V
LONG
3.3V
LONG
5V
3.3V
PCI
BRIDGE
(21154)
5V
OUT
IN
ADJ
LT1117
R15
24Ω
5%
R6
130Ω
1%
R7
56.2Ω
1%
I/O
43
21
43
21
D2*
12V
