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LTC1644IGN Datasheet(PDF) 19 Page - Linear Technology

Part # LTC1644IGN
Description  CompactPCI Bus Hot Swap Controller
PDF  24 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1644IGN Datasheet(HTML) 19 Page - Linear Technology

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LTC1644
19
1644f
APPLICATIO S I FOR ATIO
Figure 12. No 5V Supply Application Circuit
C1
0.047
µF
GND
3VIN
3VIN
R21 1.74
Ω
3VSENSE
17
3VOUT
18
5VIN
LTC1644*
13
C6
0.01
µF
5VOUT
3
5VSENSE
14
16
GATE
15
8
R3
10
Ω
3VOUT
1644 F12
R5
1k
R1
0.005
Ω
Q1
IRF7413
Z3: 1PMT5.0AT3
*ADDITIONAL PINS OMITTED FOR CLARITY
PCB EDGE
BACKPLANE
CONNECTOR
BACKPLANE
CONNECTOR
3.3V
LONG 3.3V
GROUND
Z3
C8 0.1
µF
PER 10
POWER PINS
C1
0.047
µF
C4
0.01
µF
GND
12VIN
VEEIN
OFF/ON
FAULT
PWRGD
RESETIN
3VIN
3VIN*
R22 2.74
Ω
5VIN*
3VSENSE
17
3VOUT
18
5VIN
LTC1644
13
PRECHARGE
DRIVE
5VOUT
3
5VSENSE
14
16
GATE
15
1
2
5
6
7
9
12VOUT
VEEOUT
TIMER
RESETOUT
20
19
4
EARLY V(I/O)
R18
2k
R19
1k
R20 1.2k
R3
10
Ω
5VIN
R21 1.74
Ω
R4
10
Ω
R17
2k
5VOUT
3VOUT
12VOUT
VEEOUT
NC
R5
1k
R1
0.005
Ω
Q1
IRF7413
Q2
IRF7413
R2
0.007
Ω
C2
0.1
µF
R15
1
Ω
12
11
10
Z1
Z1: SMAJ12CA
Z3, Z4: 1PMT5.0AT3
*5VIN AND 3VIN MAY BE USED AS SOURCES OF EARLY POWER
I/O DATA LINE 1
I/O DATA LINE 128
I/O #1
1644 F11
Q3
MMBT2222A
8
R11
51k
R10
18
Ω 5%
3VIN
3VOUT
R13
10
Ω
I/O #128
R14
10
Ω
R12
51k
1V
±10%
R6
2k
R8 1k
R7
12
Ω
C3 4.7nF
R9
24
Ω
RESET#
PCI
BRIDGE
(21154)
PCB EDGE
BACKPLANE
CONNECTOR
C8 0.1
µF
PER 10
POWER
PINS
Z3
C7
0.01
µF
C6
0.01
µF
BACKPLANE
CONNECTOR
5V
LONG 5V
3.3V
LONG 3.3V
12V
BD_SEL#
HEALTHY#
PCI_RST#
GROUND
I/O PIN 1
I/O PIN 128
I/O #1
I/O #128
CLOAD(5VOUT)
CLOAD(3VOUT)
CLOAD(12VOUT)
Z4
C9 0.1
µF
PER 10
POWER
PINS
+
+
+
Figure 11. No VEE (–12V) Supply Application Circuit



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