Linear Technology DC2007A-B, Demo Manual, Page: 9 / 11

9
dc2007a_bf
DEMO MANUAL DC2007A-B
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
SCHEMATIC DIAGRAM
5 5
4 4
3 3
2 2
1 1
D
D
C
C
B
B
A
A

LOAD TRANSIENT CIRCUIT
CLKOUT_U4
CLKOUT_U4
COMP RUN COMP TRACK VFB
PGOOD
RUN VFB TRACK PGOOD
CLKOUT_U3
VFB COMP
CLKOUT_U3
RUN TRACK PGOOD
INTVCC_U4
VOUT
VOUT
VIN
EXTVCC
INTVCC_U4
VOUT
VO+
VO-
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
DEMO
CIRCUIT
2007A
Thursday,
August
08,
2013
4
4
HIGH
EFFICIENCY,
POLYPHASE,
N/A
LTM4630EV
MI/RB
Haoran W.
STEP-DOWN
POWER
MODULE
REGULATOR
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
DEMO
CIRCUIT
2007A
Thursday,
August
08,
2013
4
4
HIGH
EFFICIENCY,
POLYPHASE,
N/A
LTM4630EV
MI/RB
Haoran W.
STEP-DOWN
POWER
MODULE
REGULATOR
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
DEMO
CIRCUIT
2007A
Thursday,
August
08,
2013
4
4
HIGH
EFFICIENCY,
POLYPHASE,
N/A
LTM4630EV
MI/RB
Haoran W.
STEP-DOWN
POWER
MODULE
REGULATOR
J7
VOUT
J7
VOUT
R49
(OPT)
R49
(OPT)
R53
(OPT)
R53
(OPT)
CO30 (OPT) 1210 CO30 (OPT) 1210
R51
100K
1% R51
100K
1%
C22
2.2uF
10V
C22
2.2uF
10V
C26 (OPT) C26 (OPT)
C27 1uF
10V
C27 1uF
10V
R52 (OPT) R52 (OPT)
CIN19 (OPT)
1210
CIN19 (OPT)
1210
R58 (OPT) 2512 R58 (OPT) 2512
Q2 SUD50N04-8M8P-4GE Q2 SUD50N04-8M8P-4GE
R48
(OPT)
R48
(OPT)
CO36
(OPT) 1210
CO36
(OPT) 1210
R47
121K
1% R47
121K
1%
C23 1uF 10V C23 1uF 10V
R57 0.010 1% 2W 2512 R57 0.010 1% 2W 2512
R45
0 Ohm
R45
0 Ohm
Q1
SUD50N04-8M8P-4GE
Q1
SUD50N04-8M8P-4GE
C21
(OPT)
C21
(OPT)
E18
SW2-4
E18
SW2-4
CIN16 (OPT)
1210
CIN16 (OPT)
1210
CO33 (OPT) 1210 CO33 (OPT) 1210
R46
0 Ohm
R46
0 Ohm
CO34 (OPT) 1210 CO34 (OPT) 1210
R50 (OPT) R50 (OPT)
CO32 (OPT) 1210 CO32 (OPT) 1210
R55
(OPT)
R55
(OPT)
C30
(OPT)
C30
(OPT)
R59
(OPT) 2512
R59
(OPT) 2512
C29
(OPT)
C29
(OPT)
CIN18 (OPT) 1210 CIN18 (OPT) 1210
R54 10K R54 10K
E17
SW1-4
E17
SW1-4
CO35
(OPT) 1210
CO35
(OPT) 1210
C28 1uF 10V C28 1uF 10V
+
CO37 (OPT) 7343
+
CO37 (OPT) 7343
C24 0.01uF C24 0.01uF
J8
IOSTEP
J8
IOSTEP
CIN17 (OPT)
1210
CIN17 (OPT)
1210
R56 0.010 1% 2W 2512 R56 0.010 1% 2W 2512
U4 (OPT) U4 (OPT)
VOU T1
A1
VOU T1
A2
VOU T1
A3
VOU T1
A4
VOU T1
A5
VOU T1
B1
VOU T1
B2
VOU T1
B3
VOU T1
B4
VOU T1
B5
VOU T1
C1
VOU T1
C2
VOU T1
C3
VOU T1
C4
VFB1
D5
SW1
G2
PGOOD1
G9
COMP1
E6
RUN1
F5
TRACK1
E5
VOUTS1
C5
VOUT2
A8
VOUT2
A9
VOUT2
A10
VOUT2
A11
VOUT2
A12
VOUT2
B8
VOUT2
B9
VOUT2
B10
VOUT2
B11
VOUT2
B12
VOUT2
C9
VOUT2
C10
VOUT2
C11
VOUT2
C12
VFB2
D7
SW2
G11
PGOOD2
G8
COMP2
E7
RUN2
F9
TRACK2
D8
VOUTS2
C8
VIN
M2
VIN
M3
VIN
M4
VIN
M5
VIN
M6
VIN
M7
VIN
M8
VIN
M9
VIN
M10
VIN
M11
VIN
L2
VIN
L3
VIN
L4
VIN
L5
VIN
L6
VIN
L7
VIN
L8
VIN
L9
VIN
L10
VIN
L11
VIN
K2
VIN
K3
VIN
K4
VIN
K9
VIN
K10
VIN
K11
VIN
J2
VIN
J3
VIN
J4
VIN
J9
VIN
J10
VIN
J11
GND
A6
GND
A7
GND
B6
GND
B7
GND
D1
GND
D2
GND
D3
GND
D4
GND
D9
GND
D10
GND
D11
GND
D12
GND
E1
GND
E2
GND
E3
GND
E4
GND
E10
GND
E11
GND
E12
GND
F1
GND
F2
GND
F3
GND
F10
GND
F11
GND
F12
GND
G1
GND
G3
GND
G10
GND
G12
GND
H1
GND
H2
GND
H3
GND
H4
GND
H5
GND
H6
GND
H7
GND
H9
GND
H10
GND
H11
GND
H12
GND
M12
GND
M1
GND
L12
GND
J1
GND
J5
GND
J8
GND
J12
GND
K1
GND
K5
GND
K6
GND
K7
GND
K8
GND
K12
GND
L1
SGN D
C7
SGN D
D6
SGN D
F6
SGN D
F7
SGN D
G6
SGN D
G7
FSET
C6
PHASMD
G4
DIFFP
E8
DIFFN
E9
CLKO UT
G5
MO DE-P LLIN
F4
TEMP
J6
INTVCC
H8
EXTVCC
J7
DIFFOUT
F8
E19
IOSTEP CLK
E19
IOSTEP CLK
C25 0.1uF C25 0.1uF
+
CO31 (OPT)
7343
+
CO31 (OPT)
7343
E20
GND
E20
GND
C20
(OPT)
C20
(OPT)