DC2367A - Schematic

5
4
3
2
1
REVISION HISTORY
ECO
VIN
E2
REV
DESCRIPTION
DATE
PRODUCTION
2
APPROVED
9/03/15
SY
VIN1
[1]
3.6V - 15V
+ CIN6
22uF
25V
7343
CIN4
47uF OPT
16V
1206
CIN5
47uF
16V
1206
CIN3
2.2uF
25V
0805
CIN2
4.7uF
16V
0603
CIN1
4.7uF
16V
0603
E3
D
INTVCC
INTVCC
D
GND
RPG1
100K
RPG2
100K
E1
E8
PGOOD1
PGOOD2
RUN1
JP1
B4
D3
E2
VIN
A2
B3
VIN
PGOOD2
D2
VIN
1M
3
OFF
1M
E11
VDDQIN
RDDQIN
A4
VDDQIN
B2
RUN2
VOUT1
VOUT1
INTVCC
CVCC1
1uF
FB1
RTR1
E14
JP6
B1
VTTR
VDDQ SEL
2.5V
R4
19.1k
1%
CC2
OPT
TRACKSS
8
A1
COMP2
0
1
TRACK
1.8V
R5
30.1k
1%
1.5V
R6
40.2k
1%
USER SEL
R7
OPT
E7
GND
2
SS
E5
3
VTT
JP3
B
CTR1
4700pF
COUT2
100uF
6.3V
1206
CTTR
10nF
COUT4
100uF
6.3V
1206
COUT6
100uF
6.3V
1206
COUT8
OPT
6.3V
1206
E10
C18
1uF
10V
B
E13
VDDQ
2
3
4
5
3
C4
1uF
10V
SUD50N04-8M8P
VTT
+/- 3A
COUT9
10uF
6.3V
0805
J2
1
VDDQ
Q1
C
A3
GND
D5
GND
B5
GND
C4
GND
C2
GND
COMP2
A5
E9
VOUT2
C1
COMP1
CC1
OPT
RTR2
OPT
VDDQ
3A
COUT7
10uF
6.3V
0805
TRACKSS1
VOUT2
E5
COMP1
TRACK1
COUT5
OPT
6.3V
1206
VFB1
6
JP4
(FORCED CONTINUOUS MODE)
GND
E4
COUT3
100uF
6.3V
1206
GND
E3
E6
LTM4632EV
MODE/SYNC
COUT1
100uF
6.3V
1206
7
6
CFFW1
10pF
RFB1
OPT
4
5
C5
VDDQ
5
4
E4
E1
2
FCM
R8
1k
1%
2
3
D1
1
SYNC
CLK
1
RVDDQ
0
INTVCC
MODE
BURST MODE
E12
C
C3
CVCC
1uF
CDDQIN
OPT
0805
OPT
JP2
3
3
R1
2
R2
2
VIN
ON
D4
1
1
ON
OFF
VIN
PGOOD1
RUN1
VIN
RUN2
OPTIONAL JUMPERS FOR PARALLEL OPERATION
VTTR
CTTR1
OPT
0603
10mA
1
R3
10K
FOR POLY-PHASE OPERATION:
JP6 = OPEN
VFB1
RD1, R29, R26, RDDQIN = 0
RVDDQ = OPT
2
IOSTEP CLK
J1
IOSTEP
R29
INTVCC
VDDQ
VTT
OPT
2512
RD1
OPT
COMP1
1
5
4
3
2
RS1
0.050
1%
1206
[1] CIN6, IS AN OPTIONAL CAPACITOR. IT IS INSERTED
TO DAMPEN THE (POSSIBLE) RINGING VOLTAGE
DUE TO LONG INPUT LEADS. ON A NORMAL, TYPICAL
PCB, WITH SHORT TRACES, THE CAPACITOR IS
NOT NEEDED.
A
CUSTOMER NOTICE
COMP2
APPROVALS
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES. LT
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
APP ENG. SY
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
TECHNOLOGY
15V DUAL 3A DDR µMODULE REGULATOR
SIZE
1. ALL RESISTORS AND CAPACITORS ARE 0603
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
4
3
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
TITLE: SCHEMATIC
NOTE: UNLESS OTHERWISE SPECIFIED
5
R26
OPT
N/A
SCALE = NONE
2
DATE:
IC NO.
REV.
LTM4632EV
DEMO CIRCUIT 2367A
SHEET 1
Thursday, September 03, 2015
1
2
OF 1
A
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