Analog Devices LINEAR DC2672A-A, Демонстрационное руководство

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12
DEMO MANUAL DC2672A-A
Rev. 0
SCHEMATIC DIAGRAM
5 5
4 4
3 3
2 2
1 1
D
D
C
C
B
B
A
A
VOUT0
VOUT1
PULSE
DYNAMIC LOAD TEST CIRCUIT, FOR DEMO BOARD ONLY
70Hz, 3% Duty Cycle
INT
EXT
1% 1%
IOUT STEP
OPTIONAL 5.5V BIAS
BLEEDER LOADS
ON
OFF
BIAS
+5.5V
EXTVCC
VINS3
+5.5V
VOUT0
VOUT1
VOUT0 VOUT1
DATE:
IC NO.
SHEET
OF
TITLE: DEMO CIRCUIT SCHEMATIC,
APPROVALS
PCB
DES.
APP
ENG.
Phone:
1
‐408
‐432
‐1900
Milpitas,
CA
95035
1630
McCarthy
Blvd.
For
ADI
Customer
Use
Only
CUSTOMER NOTICE
ANALOG
DEVICES
INC.
HAS
MADE
A
BEST
EFFORT
TO
DESIGN
A
CIRCUIT
THAT
MEETS
CUSTOMER
‐SUPPLIED
SPECIFICATIONS;
HOWEVER,
IT
REMAINS
THE
CUSTOMER'S
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
ANALOG
DEVICES
INC.
APPLICATIONS
ENGINEERING
FOR
ASSISTANCE.
THIS
CIRCUIT
IS
PROPRIETARY
TO
ANALOG
DEVICES
INC.
AND
SUPPLIED
FOR
USE
WITH
ANALOG
DEVICES
INC.
PARTS.
SCALE
=
N
ON
E
SIZE:
SKU NO.
SCHEMATIC NO. AND REVISION:
PCA
BOM:
PCA
ASS'Y:
www.analog.com
23
` \
] _
LTM4664EY
48V/54Vin, Dual 25A POL Converter
DC2672A
700-DC2672A_REV05 705-DC2672A_REV05
N/A
710-DC2672A_REV05
Tuesday, August 27, 2019
with Power System Management
DATE:
IC NO.
SHEET
OF
TITLE: DEMO CIRCUIT SCHEMATIC,
APPROVALS
PCB
DES.
APP
ENG.
Phone:
1
‐408
‐432
‐1900
Milpitas,
CA
95035
1630
McCarthy
Blvd.
For
ADI
Customer
Use
Only
CUSTOMER NOTICE
ANALOG
DEVICES
INC.
HAS
MADE
A
BEST
EFFORT
TO
DESIGN
A
CIRCUIT
THAT
MEETS
CUSTOMER
‐SUPPLIED
SPECIFICATIONS;
HOWEVER,
IT
REMAINS
THE
CUSTOMER'S
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
ANALOG
DEVICES
INC.
APPLICATIONS
ENGINEERING
FOR
ASSISTANCE.
THIS
CIRCUIT
IS
PROPRIETARY
TO
ANALOG
DEVICES
INC.
AND
SUPPLIED
FOR
USE
WITH
ANALOG
DEVICES
INC.
PARTS.
SCALE
=
N
ON
E
SIZE:
SKU NO.
SCHEMATIC NO. AND REVISION:
PCA
BOM:
PCA
ASS'Y:
www.analog.com
23
` \
] _
LTM4664EY
48V/54Vin, Dual 25A POL Converter
DC2672A
700-DC2672A_REV05 705-DC2672A_REV05
N/A
710-DC2672A_REV05
Tuesday, August 27, 2019
with Power System Management
DATE:
IC NO.
SHEET
OF
TITLE: DEMO CIRCUIT SCHEMATIC,
APPROVALS
PCB
DES.
APP
ENG.
Phone:
1
‐408
‐432
‐1900
Milpitas,
CA
95035
1630
McCarthy
Blvd.
For
ADI
Customer
Use
Only
CUSTOMER NOTICE
ANALOG
DEVICES
INC.
HAS
MADE
A
BEST
EFFORT
TO
DESIGN
A
CIRCUIT
THAT
MEETS
CUSTOMER
‐SUPPLIED
SPECIFICATIONS;
HOWEVER,
IT
REMAINS
THE
CUSTOMER'S
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
ANALOG
DEVICES
INC.
APPLICATIONS
ENGINEERING
FOR
ASSISTANCE.
THIS
CIRCUIT
IS
PROPRIETARY
TO
ANALOG
DEVICES
INC.
AND
SUPPLIED
FOR
USE
WITH
ANALOG
DEVICES
INC.
PARTS.
SCALE
=
N
ON
E
SIZE:
SKU NO.
SCHEMATIC NO. AND REVISION:
PCA
BOM:
PCA
ASS'Y:
www.analog.com
23
` \
] _
LTM4664EY
48V/54Vin, Dual 25A POL Converter
DC2672A
700-DC2672A_REV05 705-DC2672A_REV05
N/A
710-DC2672A_REV05
Tuesday, August 27, 2019
with Power System Management
J9
1
2
C50 150pF
R74 10K
COUT25 1.0uF
R72 10K
JP1
1
2
3
+
COUT26
470uF 2.5V 7343
R76 2
R82
1M
U2
LT1761ES5-SD
IN
1
ADJ
4
SHDN
3
GND
2
OUT
5
JP2
1
2
3
R88 0.01 2512
COUT24 100uF 1210 6.3V COUT20 100uF 1210 6.3V
U4
LT1803IS5
VOUT
1
V-
2
+IN
3
-IN
4
V+
5
J7
1
2
R85
10K
C48 100uF 1210 6.3V
C52
1.0uF
C49 100nF
COUT21 1.0uF
R91 649
R78
0
R73 34.8K 1%
U3
LTC6992IS6-1
MOD
1
GND
2
SET
3
DIV
4
V+
5
OUT
6
+
COUT22
470uF 2.5V 7343
R81
3.3
1%
R90
5K
R80 20K
+
COUT18
470uF 2.5V 7343
R79
154k
1%
C46 10uF 16V 1210
R71 100 1206
R70 100 1206
C45 10uF 16V 1210
Q1
SUD50N04-8M8P-4GE3
R87
82.5
1%
R84 681K
1%
R75
OPT
2010
COUT23 100uF 1210 6.3V
R86
182
J8
1
2
COUT19 100uF 1210 6.3V
E29
EXT PULSE
E30
GND
R83
20K
+
COUT17
470uF 2.5V 7343
C47 100uF 1210 6.3V
R77
0
2010
C51 1.0uF
R69 OPT