DC787A - Schematic

5
4
3
2
1
REVISION HISTORY
ECO
BOB S.
D
1
-48VRTN
TP2
MBRM5100
2 D2
3
1
10A
LONG
R2
1
0
2
MBRM5100
1
D5
R3
3K
1
R1
91
1
R7
3K
D4 1N4148W
2
1
R8 4.7K
1
2
DRAIN
7
6
GATE
SENSE
4
VEE
C7
R20 10
1
-48V_B
F4
2
R24
2.4K
R25
2.4K
R26
2.4K
R27
2.4K
R28
2.4K
D9
MBRM5100
1
1
1
R29
VEE
1
TP11
2
2
3
-48VOUT
8m
MEDIUM SHORT
[1]
R23
2.4K
1
2
3
TP10
R22
2.4K
1
7A
D11
MBRM5100
1
R21
1M
1
2
3
1
D10
MBRM5100
1
1
MEDIUM LONG
16V
2
2
B
22nF
2
10V
2
100nF
10V
2
7A
PWRGD
C6
330nF
B
F3
TP8
2
C5
5
SS
TIMER
R19
29.4K
1%
3
10nF
16V
PWRGD
3 JP1
OPTO
2
1 PWRGD
OV
10
C4
GRN
2
2
1
GRN
R18
37.4K
1%
1
10nF
16V
2
D6
C8
1uF
16V
UV
2
2
C3
D8
1
2
2
2
3
TP9
MOC207
PWRGD
8
-48V_A
C
2
D12
BAV70
1
2
E
1
100K
1
GRN
1
TP7
-
OPTO
2
[1]
9
D7
8
U1
1
1
100K
5
4
3
ISO1
R12
6
C
1
R11
100K
1
100K
7
VIN
R10
1 2
R14
402K
1%
2
2
2
2
10K
1
1
10K
R9
1
2
2
R17
TP5
1
3
D3
SMBT70A
R13
402K
1%
C
R16
ZERO VOLT TRANSIENT
RESERVOIR CAPACITOR
R15
10K
2
C1
22nF
100V
ENABLE_B
SHORT
+
TP13
1
2
2
R4
0
Q2
MMBT5401
1
10K
TP12
1
2
1
2
R6
1
TP6
2
2
SHORT
3
TP4
ENABLE_A
10K
GRN
1 2
Q1
MMBT5401
R5
1
VRTN
OUTPUT
1
F2
TP3
VRTN_B
APPROVED
10/12/12
10A
2 D1
3
LONG
DATE
ADD VERSIONS
2
3
F1
TP1
VRTN_A
DESCRIPTION
1
2
D
REV
-48V
OUTPUT
Q3 IRF1310NS
VERSION
U1
FUNCTION
-A
LTC4252CCMS-1
LATCH-OFF
-B
LTC4252CCMS-2
AUTO-RETRY
CONTRACT NO.
APPROVALS
A
DRAWN
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.
5
CHECKED
MI
BOB S.
APPROVED
ENGINEER
DESIGNER
10/12/12 13:02:19
4
3
DATE
10/12/12
10/12/12
TECHNOLOGY
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
A
TITLE
SCH, LTC4252ACCMS-1/2, ADVANCED TCA HOT
SWAP CONTROLLER
SIZE
CAGE CODE
DWG NO
REV
DC787B
SCALE:
2
FILENAME: 787B-1.DSN
1
SHEET
1
1
OF
1
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