
10
dc2106abf
DEMO MANUAL DC2106A-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 RESISTORS ARE 0603.
ALL CAPACITORS ARE 0603.
35V
4.5V - 16V
6.3V
6TPF330M9L
OPT
6.3V D4
1210
1210
1210
0805
0805
1210
1210
1210
1210
1210
1210
1210
0.035 VIA TESTPOINTS
µMODULE REGULATOR WITH POWER SYSTEM MANAGEMENT
1210
ON
OFF
RUN0
ON
OFF
RUN1
1210
1210
*
1V/130A
6TPF330M9L
6.3V
*
WHEN VIN < 5.75V, SHORT INTVCC TO VIN WITH R7=0 0hm.
VOUT1_SNS
D4
D4
D4
6.3V
1210
VOSNS0-
VDD33
SYNC
SHARE_CLK
ALERTB
SCL
SDA
GPIO0B
GPIO1B
ASEL
FREQ_CFG
VOUT0_CFG
VTRIM0_CFG
VOUT1_CFG
VTRIM1_CFG
RUN1
VOSNS0-
VDD25
RUN0
INTVCC
VOSNS1
VIN
VOUT0
VOUT1
VIN
SYNC
SHARE_CLK
ALERTB
SCL
SDA
GPIO0B
GPIO1B
COMP0
COMP1
RUN0
RUN1
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
1
Wednesday, August 21, 2013
16
HIGH EFFICIENCY, POLY-PHASE, DC/DC STEP-DOWN
HZ
JIAN L.
B
LTM4676EY / LTM4630EV
DEMO CIRCUIT 2106A-B
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
1
Wednesday, August 21, 2013
16
HIGH EFFICIENCY, POLY-PHASE, DC/DC STEP-DOWN
HZ
JIAN L.
B
LTM4676EY / LTM4630EV
DEMO CIRCUIT 2106A-B
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
1
Wednesday, August 21, 2013
16
HIGH EFFICIENCY, POLY-PHASE, DC/DC STEP-DOWN
HZ
JIAN L.
B
LTM4676EY / LTM4630EV
DEMO CIRCUIT 2106A-B
REVISION HISTORY
DESCRIPTION
DATE
APPROVED
ECO
REV
JIAN L.
PRODUCTION
1
4-22-13
__
REVISION HISTORY
DESCRIPTION
DATE
APPROVED
ECO
REV
JIAN L.
PRODUCTION
1
4-22-13
__
REVISION HISTORY
DESCRIPTION
DATE
APPROVED
ECO
REV
JIAN L.
PRODUCTION
1
4-22-13
__
COUT14 OPT
COUT14 OPT
C8 10nF
C8 10nF
P5P5
R7
OPT
R7
OPT
R4 0
R4 0
E4
GND
E4
GND
R2 0
R2 0
COUT9 100uF
COUT9 100uF
E5
GND1_SNS
E5
GND1_SNS
E9
GND0_SNS
E9
GND0_SNS
COUT13 100uF
COUT13 100uF
CIN1 10uF
CIN1 10uF
R12 10K
R12 10K
SW2SW2
1
2
3
4
5
6
R31
0
R31
0
R6
OPT
R6
OPT
+
COUT11 330uF
+
COUT11 330uF
CIN2 10uF
CIN2 10uF
+
COUT5 3.3uF
+
COUT5 3.3uF
COUT12 100uF
COUT12 100uF
R24
OPT
R24
OPT
R13 10K
R13 10K
J5
VOUT0
J5
VOUT0
COUT6 100uF
COUT6 100uF
E2
INTVCC
E2
INTVCC
R9 1K
R9 1K
COUT4 100uF
COUT4 100uF
CIN6 10uF
CIN6 10uF
R30
OPT
R30
OPT
J1
VOUT1
J1
VOUT1
R23
0
R23
0
J6
GND
J6
GND
R14 OPT
R14 OPT
R20
OPT
R20
OPT
P2P2
COUT10 100uF
COUT10 100uF
R22 10
R22 10
P4P4
R25
22.6K
R25
22.6K
R29
OPT
R29
OPT
E8
VDD25
E8
VDD25
R5 OPT
R5 OPT
+
CIN3 150uF
+
CIN3 150uF
U1
LTM4676EY
U1
LTM4676EY
VOUT0
A1
VOUT0
A2
VOUT0
A3
VOUT0
D1
ISNS0b-
E1
F1
ISN
S1b-
G1
ISN
S1b+
H1
VOU
T1
J1
VOU
T1
J2
VOU
T1
J3
VOU
T1
K1
VOUT0
B1
VOUT0
B2
VOUT0
B3
VOUT0
D2
ISNS0a-
E2
F2
ISN
S1a-
G2
ISN
S1a+
H2
VOU
T1
K2
VOU
T1
K3
VOU
T1
L1
VOU
T1
L2
VOUT0
C1
VOUT0
C2
VOUT0
C3
VOUT0
D3
GND
A4
GND
A6
GND
A7
GND
A8
VOU
T1
L3
VOU
T1
M1
VOU
T1
M2
VOU
T1
M3
GND
A9
GND
A10
GND
B4
GND
B5
ASEL
G4
FSWPHCFG
H4
GND
B6
GND
B7
GND
B8
GND
B9
GPIO0
E4
GPIO1
F4
SNUB0
A5
GND
C4
TSNS0b
C5
TSNS0a
D5
ALERT
E5
RUN0
F5
VOUT0CFG
G5
VTRIM0CFG
H5
TSN
S1a
J5
TSN
S1b
K5
GND
C6
SNU
B1
M5
GND
C7
GND
C8
GND
C9
SDA
D6
SCL
E6
RUN1
F6
VOUT1CFG
G6
VTRIM1CFG
H6
VDD25
J6
WP
K6
GND
D4
GND
E3
GND
F3
GND
F10
GND
G3
GND
G10
SYNC
E7
GND
M9
GND
M10
SHARE_CLK
H7
VDD33
J7
GND
G11
GND
G12
GND
L8
GND
L7
GND
L9
GND
H3
COMP0b
D8
COMP0a
E8
SGN
D
F7
SGN
D
F8
COMP
1a
H8
COMP
1b
J8
GND
H10
GND
J4
GND
M8
D9
VOSNS0-
E9
INTVCC
F9
INTVCC
G9
VOSN
S1
H9
VOR
B1
J9
GND
J10
GND
L4
GND
L5
GND
K4
SW0
B10
DNC
E11
VORB0+
D10
VORB0-
E10
GND
L6
GND
K7
GND
K8
GND
K9
DNC
C10
SW1
L10
GND
M4
VIN0
B12
VIN0
B11
VIN0
A12
VIN0
A11
DNC
K10
SVIN
F12
GND
M6
DNC
H11
VIN1
H12
VIN1
J11
VIN1
J12
VIN1
K11
VIN0
E12
VIN0
D12
VIN0
D11
VIN0
C12
VIN0
C11
SVIN
F11
GND
M7
VIN1
K12
VIN1
L11
VIN1
L12
VIN1
M11
VIN1
M12
SGN
D
G7
SGN
D
G8
GND
D7
+
COUT7 330uF
+
COUT7 330uF
R16 10K
R16 10K
P6P6
R18
OPT
R18
OPT
R32
0
R32
0
R10 10K
R10 10K
C7 10nF
C7 10nF
R17 10K
R17 10K
E6
VDD33
E6
VDD33
J3
GND
J3
GND
R27
OPT
R27
OPT
R21 10K
R21 10K
CIN4 10uF
CIN4 10uF
R15 OPT
R15 OPT
SW1SW1
1
2
3
4
5
6
COUT1 100uF
COUT1 100uF
P1P1
C6 OPT
C6 OPT
E7
VOUT0_SNS
E7
VOUT0_SNS
R28
OPT
R28
OPT
P3P3
CIN7 10uF
CIN7 10uF
COUT3 100uF
COUT3 100uF
J4
VIN
J4
VIN
R3
OPT
R3
OPT
R11 10K
R11 10K
P7P7
+
COUT8 330uF
+
COUT8 330uF
R19 7.15K
R19 7.15K
J2
GND
J2
GND
R8
0
R8
0
C2 OPT
C2 OPT
C1 OPT
C1 OPT
C4 OPT
C4 OPT
E3
VIN
E3
VIN
C5 2.2nF
C5 2.2nF
CIN5 10uF
CIN5 10uF
COUT2 100uF
COUT2 100uF
E1
VOUT1_SNS
E1
VOUT1_SNS
R1 OPT
R1 OPT
C3 OPT
C3 OPT
R26 10
R26 10