Analog Devices Linear Technology DC2448A-B, Демонстрационное руководство

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7
dc2448abf
DEMO MANUAL
DC2448A-B
schematic Diagram
5 5
4 4
3 3
2 2
1 1
D
D
C
C
B
B
A
A
NOTE:
UNLESS
OTHERWISE
SPECIFIED,
1.
ALL
CAPACITORS,
RESISTORS
0603.
SEE
LTM4636/LTM4636
‐1
DATASHEET
U1,U2,U3,
AND
U4
ARE
CONNECTED
IN
PARALLEL
TO
DEVELOP
160
AMP
DESIGN.
WHEN
VIN
<
5.5V,
SHORT
PVCC
TO
VIN
WITH
R1
=
0
OHM,
AND
SET
R3
=
0
OHM
AND
REMOVE
R2.
R11
=
100K
FOR
OVP
TRIP
OF
1V
CONNECT
VOUT
(0.9V)
TO
LOADSTEP
GENERATOR
THROUGH
R24,R26,R32,R37
FOR
TRANSIENT
TESTING
R19
IS
SET
TO
0
OHM
FOR
ON
BOARD
COMPENSATION,
OR
UNSTUFF
R19
FOR
EXTERNAL
OPTIMIZED
COMPENSATION.
R11
CAN
BE
CHANGED
TO
THE
DESIRED
RESISTOR
VALUE
FOR
SETTING
THE
OVP.
OR
R11
CAN
BE
STUFFED
WITH
0
OHM
RESISTOR
TO
DISABLE
OVP.
U1,U2,U3,U4,
TMON
PINS
CAN
BE
GROUNDED
TO
DISABLE
OVER
TEMP
PROTECTION
FOR
EACH
SPECIFIC
DEVICE.
ASSY
IC
-A -B -C
U1,U2
U1,U2,U3 U1,U2 U3,U4
IOUT 80A 120A 160A
R17 OPT
0
OPT
R16
0
OPT OPT
R56 OPT
R65 OPT OPT
0
CIN10-CIN13
OPT 22uF 22uF
CIN14-CIN17
OPT OPT 22uF
CO19,CO20
OPT 470uF 470uF
CO26,CO27
OPT OPT 470uF
OPT
CO14-CO18
100uF 100uF
CO21-CO25
OPT OPT 100uF
[2]
ASSEMBLY
OPTIONS.
[2]
[2]
OPT
0
-D
U1,U2 U3,U4
160A
0
0
22uF
22uF
470uF
470uF
100uF
100uF
0
OPT
R71,R73,R74,R75
66.5K 1%
R11
100K 1%
0.001 1%
0 0 0 R25
OPT R76 0 0 0
OPT OPT OPT
OPT OPT OPT
R47 OPT OPT
0 0
PGOOD
COMP
CLKOUT_U1
RUN
TRACK/SS VFB
HIZREG
OVP_TRIP
OVER_TEMP
GND_SNS CROWBAR
VIN_HS
INTVCC_U1
INTVCC_U1
VOUT
INTVCC_U1
INTVCC_U1
INTVCC_U1
INTVCC_U1
VIN_HS
VIN_HS
BIAS
BIAS
INTVCC_U1
SIZE DATE:
IC NO.
REV.
SHEET
OF
TITLE:
APPROVALS
PCB DES. APP ENG.
TECHNOLOGY
Fax:
(408)434-0507
Milpitas,
CA
95035
Phone:
(408)432-1900
1630
McCarthy
Blvd.
LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY
CUSTOMER NOTICE
LINEAR TECHNOLOGY 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 LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SCHEMATIC
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
www.linear.com
4
DEMO
CIRCUIT
2448A
Friday,
March
10,
2017
15
FOUR
PHASE,
STEP-DOWN
MODULE
N/A
LTM4636EY/LTM4636EY-1
` \
l _
REGULATOR
WITH
HOTSWAP
INPUT
SIZE DATE:
IC NO.
REV.
SHEET
OF
TITLE:
APPROVALS
PCB DES. APP ENG.
TECHNOLOGY
Fax:
(408)434-0507
Milpitas,
CA
95035
Phone:
(408)432-1900
1630
McCarthy
Blvd.
LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY
CUSTOMER NOTICE
LINEAR TECHNOLOGY 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 LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SCHEMATIC
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
www.linear.com
4
DEMO
CIRCUIT
2448A
Friday,
March
10,
2017
15
FOUR
PHASE,
STEP-DOWN
MODULE
N/A
LTM4636EY/LTM4636EY-1
` \
l _
REGULATOR
WITH
HOTSWAP
INPUT
SIZE DATE:
IC NO.
REV.
SHEET
OF
TITLE:
APPROVALS
PCB DES. APP ENG.
TECHNOLOGY
Fax:
(408)434-0507
Milpitas,
CA
95035
Phone:
(408)432-1900
1630
McCarthy
Blvd.
LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY
CUSTOMER NOTICE
LINEAR TECHNOLOGY 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 LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SCHEMATIC
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
www.linear.com
4
DEMO
CIRCUIT
2448A
Friday,
March
10,
2017
15
FOUR
PHASE,
STEP-DOWN
MODULE
N/A
LTM4636EY/LTM4636EY-1
` \
l _
REGULATOR
WITH
HOTSWAP
INPUT
REVISION HISTORY
DESCRIPTION
DATE
APPROVED
ECO
REV
l _
PROD
-
4
03/08/17
REVISION HISTORY
DESCRIPTION
DATE
APPROVED
ECO
REV
l _
PROD
-
4
03/08/17
REVISION HISTORY
DESCRIPTION
DATE
APPROVED
ECO
REV
l _
PROD
-
4
03/08/17
+
CO5 470uF 4V 7343
E44
BIAS
C7 OPT
J3
VOUT
C6
2200pF
CIN5 22uF 25V 1210
R71
[2]
E4
PWM1
C8 100pF
J8
VOUT
R11
[2]
JP1
BM
CCM
MODE
PS
1 3 2 4
R18
2.2
0805
R22
34.8k
1%
C2
0805
4.7uF
E10
CROWBAR
CO1 100uF 6.3V 1210
E1
TEMP+_U1
+
CIN1 150uF 35V
R15
10K
CIN3 22uF 25V 1210
E14
OVP_TRIP
E9
HIZREG
R3 OPT
R8 51
E16
SW1
E6
GND
J2
GND
R17 [2]
C5 OPT
C1
22uF 1206
R20
4.99k
CIN2 22uF 25V 1210
+
CO6 470uF 4V 7343
E19
TMON_U1
J7
GND
J1
0.9V/160A
VOUT
R12 10K
E15
GND_SNS
C4 OPT
CIN4 22uF 25V 1210
E2
CLKOUT_U1
CO4 100uF 6.3V 1210
R21 OPT
E13
OVER_TEMP
R5 10K
E18
RUN
JP2
ON
OFF
RUN
1 3 2
C9 0.47uF
R14 10k 1%
R16
[2]
E11
VOUT_SNS
C10
0.47uF
R19
0
R2 0
R9 51
U1
LTM4636EY/LTM4636EY-1
GMON
H9
SNSP1
F2
TEST3
H2
HIZREG
F3
PGOOD
E1
SW
L11
RUNP
G8
CLKOUT
G3
SNSP2
F1
TEST2
F5
RUNC
E2
TRACK/SS
E3
VFB
E4
TEST4/CROWBAR
E11
GND
M9
GND
M10
GND/OVP_SET
E12
COMPB
D5
COMPA
E5
NC/BIAS
G9
PHASEMD
G7
TEMP +
G12
TEMP -
G11
GND
M12
VOSNS1
D4
VOSNS-
D3
GND/OVP_TRIP
E10
INTVCC
F6
MODE_PLLIN
H3
PWM
H7
PVcc
F9
GND/OVER_TEMP
D10
TEST1
H4
GND
M1
FREQ
G5
GND
M2
TMON
H8
GND
M11
SGND
G4
SGND
F4
SW
K11
VOUT
A1
VOUT
A2
VOUT
A3
VOUT
A4
VOUT
A5
VOUT
A6
VOUT
A7
VOUT
A8
VOUT
A9
VOUT
A10
VOUT
A11
VOUT
A12
VOUT
B1
VOUT
B2
VOUT
B3
VOUT
B4
VOUT
B5
VOUT
B6
VOUT
B7
VOUT
B8
VOUT
B9
VOUT
B10
VOUT
B11
VOUT
B12
VOUT
C1
VOUT
C2
VOUT
C3
VOUT
C4
VOUT
C5
VOUT
C6
VOUT
C7
VOUT
C8
VOUT
C9
VOUT
C10
VOUT
C11
VOUT
C12
VOUT
D1
VOUT
D2
VOUT
D11
VOUT
D12
GND
M3
GND
D6
GND
D7
GND
D8
GND
D9
GND
E6
GND
E7
GND
E8
GND
E9
GND
F7
GND
F8
GND
F10
GND/OTP_SET
F11
GND
F12
GND
G1
GND
G2
GND
G6
GND
G10
GND
H10
GND
H11
GND
H12
GND
H1
GND
J1
GND
J2
GND
J3
GND
J8
GND
J9
GND
J10
GND
J11
GND
J12
GND
K1
GND
K2
GND
K3
GND
K9
GND
K10
GND
K12
GND
L1
GND
L2
GND
L3
GND
L9
GND
L10
GND
L12
VIN
H5
VIN
H6
VIN
J4
VIN
J5
VIN
J6
VIN
J7
VIN
K4
VIN
K5
VIN
K6
VIN
K7
VIN
K8
VIN
L4
VIN
L5
VIN
L6
VIN
L7
VIN
L8
VIN
M4
VIN
M5
VIN
M6
VIN
M7
VIN
M8
E5
VIN_HS
E12
PGOOD
E3
TEMP-_U1
CO3 100uF 6.3V 1210
C33
1uF
CO2 100uF 6.3V 1210
E17
MODE_PLLIN
R72
OPT
R13
OPT
R1 OPT
PVcc
PVcc
PGOOD
RUN
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