DC1054A/B - Schematic

5
4
3
2
1
REVISION HISTORY
This circuit is proprietary to Linear Technology and supplied
for use with Linear Technology parts.
Customer Notice:Linear Technology has made a best effort to
design a circuit that meets customer-supplied specifications;
however, it remains the customers responsibility to verify proper
and reliable operation in the actual application, Component
substitution and printed circuit board layout may significantly
affect circuit performance or reliability. Contact Linear
Applications Engineering for assistance.
ECO
REV
DESCRIPTION
DATE
PROTO
1
APPROVED
01/26/06
Q1
R1
+12VIN
8
7
6
5
12VOUT1
Si7336ADP
3
2
1
E26
12VOUT1
8m
5.5A
4
C1
4.7uF
X7R 10V
VCC
E17
3
2
1
PRSNT11
JP7
R36
390
4
HIGH
1
2
EXT
3
4
LOW
5
6
J1 (A1)
7
R6
10
RG2
18
CG2
8
R9
390
ON1
AUXPGOOD1
3
4
EXT
5
6
LOW
1
2
HIGH
3
4
EXT
AUXON1
LOW
3VOUT1
2
3VGATE1
3
3VSENSE1
4
3VIN1
5
AUXIN1
6
8
3VIN2
9
3VSENSE2
10
3VGATE2
11
3VOUT2
12
HIGH
4
EXT
5
6
LOW
GND
EN2
33
34
E10
1
1
1
PGOOD1
AUX
PGOOD1
E22
GND
AUXPGOOD2
E35
PGOOD2
E25
AUX
PGOOD2
PGOOD2
AUXFAULT2
E24
AUX
FAULT2
FAULT2
E23
FAULT2
32
AUXPGOOD1
PGOOD1
36
37
38
35
FAULT1
AUXFAULT1
EN1
E34
12VOUT2
3VIN2
12VGATE2
3VSENSE2
12VSENSE2
3VGATE2
12VIN2
AUXPGOOD2
12VIN1
30
12VSENSE1
29
12VGATE1
28
12VOUT1
27
AUXOUT1
12VOUT1
R14 390
25
AUXOUT2
24
12VOUT2
23
12VGATE2
22
12VSENSE2
21
12VIN2
D6
GRN
D13
GRN
1
26
R17 390
2
1
2
20
6
LOW
R19 10K
ON2
FON2
2
JP6
1
2
HIGH
3
4
EXT
5
6
LOW
CD2
1
EN2
0.033uF
R23 10K
RD2
47K
D10
D11
D12
D17
RED
RED
GRN
GRN
R20
VCC
E18
1
2
EXT
3
4
LOW
5
6
J1 (A1)
7
8
R21
R22
390
390
RG4
18
1
R26
390
5
6
7
8
13m
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
E32
3.3VAUXOUT2
375mA
3.3VOUT2
1
2
3
R27
390
Q4
Si7336ADP
R7
10
RG3
47
CG3
15nF
2
D14
GRN
1
1
D3
GRN
12VOUT2
12VOUT2
4
R3
1
+12VIN
A
Z3
8m
R31
3.3K
SMAJ15A
5
6
7
8
E31
5.5A
1
2
3
E33
R32
3.3K
Q3
3.3VOUT2
3A
GND
A
1
1
2
Si7336ADP
2
D15
GRN
2
D2
GRN
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
TOLERANCE ON ANGLE - - 2 PLACES - - - 3 PLACES - - INTERPRET DIM AND TOL
PER ASME Y14.5M -1994
THIRD ANGLE PROJECTION
CONTRACT NO.
APPROVALS
DATE
DRAWN MEI
CHECKED
TECHNOLOGY
TITLE
APPROVED
ENGINEER
DESIGNER
DO NOT SCALE DRAWING
5
PRSNT12
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
E30
2
E14
2
GND
1
2
SMAJ7.0A
390
J2
CG4
47nF
4
Z2
R34
X1 PCIe CH2
R5
10
R4
+3.3VIN
B
12VOUT2
2
PRSNT12
390
VPU
JP8
HIGH
2
EXT
2
HIGH
4
C
12VOUT2
1
E9
E19
1
FON2
AUX
FAULT1
1
2
3
VCC
FAULT1
E20
2
1
5
B
D16
GRN
E21
2
E8
3A
D9
GRN
AUXON2
JP5
VCC
ON2
R18 10K
AUXOUT2
AUXIN2
AUXON2
2
3
VCC
13
1
2
JP4
VCC
E7
GRN
GND
3VOUT2
D8
RED
GND
1
D1
AUXON2
D7
RED
31
39
AUXIN2
2
AUXIN
Z1
SMAJ7.0A
AUXOUT1
AUXIN1
PGOOD2
7
VCC
R16
390
FON1
ON1
LOW
3VIN1
19
6
1
5
E5
12VOUT1
AUXFAULT2
EXT
12VGATE1
18
4
12VSENSE1
FAULT2
3
3VOUT1
3VSENSE1
17
HIGH
12VIN1
3VGATE1
EN2
2
AUXON1
16
1
R15 10K
1
ON2
6
JP3
R13 10K
FON2
5
E4
U1
LTC4242CUHF
JP2
E27
2
PGOOD1
15
E3
R33
390
2
FON1
2
VCC
3.3V AUX INPUT
1
AUXFALUT1
0.033uF
R12 10K
R11
390
2
HIGH
R10
390
3.3VOUT1
FAULT1
EN1
1
1
VCC
AUXON1
GRN
2
E2
C
375mA
D5
PRSNT11
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
2
JP1
VCC
ON1
3.3VAUXOUT1
VPU
RD1
47K
CD1
2
FON1
E28
47nF
E1
14
GND
1
3.3VOUT1
13m
2
EN1
R2
+3.3VIN
E13
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
D4
GRN
Si7336ADP
8
7
6
5
1
GND
E11
X1 PCIe CH1
GND
J1
Q2
1
+3.3VIN
15nF
2
4
+3.3VIN
12VOUT1
D
E29
CG1
2
3
VPU
RG1
47
1
2
R8
10
1
+3.3VIN
1
VCC
R35 33
2
+3.3V AUX INPUT
AUXIN
JP9
1
VPU
VCC
D
R37
3.3K
1
+12VIN
E15
4
3
2
Thursday, December 07, 2006
SIZE
1630 McCarthyBlvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
SCH, LTC4242CUHF, PCI EXPRESS
HOT SWAP CONTROLLER
CAGE CODE
01/26/06
SCALE: NONE
DWG NO
FILENAME: 1054A-1.DSN
1
REV
DC1054A
SHEET
1
1
OF
1
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