Datasheet
8
dc1498afa
DEMO MANUAL DC1498A
schematic Diagrams
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
VIN+
VIN-
VIN
GND
4.5V-16V
VOUT1
GND
VO1+
VO1-
1.5V @ 12A
1.2V @ 12A
GND
VO2-
VO2+
VOUT2
ON
TRACK1
CLKOUT
PHASE
120
90
60
o
o
o
ON
EXT.
SOFT-START
TRACK1 SEL.
m
VOUT1
VIN
INTVCC
VO1+
VO1-
INTVCC
VO1-
VO1+
INTVCC
INTVCC
VOUT1
VO2+
VO2-
VIN
INTVCC
DIFFP
COMP1
VFB1
DIFFN
DIFFOUT
VOUT1S
VOUT1
TRACK1
RUN1
VO2+
VOUT2
VO2-
VOUT2S
RUN2
TRACK2
VFB2
COMP2
INTVCC
TEMP
TECHNOLOGY
TECHNOLOGY
TECHNOLOGY
E4E4
J6J6
R16
OPT
R16
OPT
J7J7
JP3
OFF
RUN2
JP3
OFF
RUN2
13
2
E15
TEMP
E15
TEMP
E7E7
COUT3
OPT
COUT3
OPT
C10
OPT
C10
OPT
R19
60.4K
R19
60.4K
C5
0.1uF
C5
0.1uF
J4J4
R3
10
R3
10
E1E1
CIN4
22uF
1210
25V
CIN4
22uF
1210
25V
COUT2
OPT
COUT2
OPT
COUT6
OPT
COUT6
OPT
+
COUT1
470uF
4V
+
COUT1
470uF
4V
C4
OPT
C4
OPT
C3
OPT
C3
OPT
R10
6.04K
R10
6.04K
JP1
EXT_CLK
PS
CCM
MODE
BM
JP1
EXT_CLK
PS
CCM
MODE
BM
1
3
2
4
65
7 8
J5J5
R30
158K
R30
158K
J8J8
U1
LTM4620EV
U1
LTM4620EV
VIN
J9
VIN
J10
VIN
J11
VIN
K2
VIN
K3
VIN
K4
VIN
K9
VIN
K10
VIN
K11
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
J2
VIN
J3
VIN
J4
RUN1
F5
TRACK1
E5
VOUT1S
C5
VOUT1
A1
VOUT1
A2
VOUT1
A3
VOUT1
A4
VOUT1
A5
VFB1
D5
SW1
G2
PGOOD1
G9
COMP1
E6
DIFFOUT
F8
DIFFN
E9
DIFFP
E8
FSET
C6
PHASMD
G4
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
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
J1
GND
J5
GND
J8
GND
J12
GND
K1
GND
K5
GND
K6
GND
K7
GND
K8
GND
K12
GND
L1
GND
L12
GND
M1
GND
M12
SGND
C7
SGND
D6
SGND
F6
SGND
F7
SGND
G6
SGND
G7
VOUT1
B1
VOUT1
B2
VOUT1
B3
VOUT1
B4
VOUT1
B5
VOUT1
C1
VOUT1
C2
VOUT1
C3
VOUT1
C4
COMP2
E7
PGOOD2
G8
SW2
G11
VFB2
D7
TRACK2
D8
RUN2
F9
VOUT2S
C8
TEMP
J6
MODE-PLLIN
F4
CLKOUT
G5
INTVCC
H8
EXTVCC
J7
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
GND
G3
JP5
VOUT1
TRACK2 SEL.
JP5
VOUT1
TRACK2 SEL.
1
3
2
4
5 6
C7
0.1uF
C7
0.1uF
E12
PGOOD2
E12
PGOOD2
E13
EXTVCC
E13
EXTVCC
CIN3
22uF
25V
1210
CIN3
22uF
25V
1210
R15
60.4K
R15
60.4K
R32
0
R32
0
R1
10
R1
10
C6
OPT
C6
OPT
E6E6
CIN2
22uF
25V
1210
CIN2
22uF
25V
1210
R21
0
R21
0
COUT4
100uF
6.3V
COUT4
100uF
6.3V
E14
CLKOUT
E14
CLKOUT
R7
0
R7
0
COUT8
OPT
COUT8
OPT
C1
OPT
C1
OPT
R22
10
R22
10
J9J9
C2
1uF
C2
1uF
R20
OPT
R20
OPT
E8E8
R2
OPT
R2
OPT
R6
OPT
R6
OPT
R24
10K
R24
10K
C12
OPT
C12
OPT
R27
10K
R27
10K
+
COUT7
470uF
4V
+
COUT7
470uF
4V
CIN5
22uF
25V
1210
CIN5
22uF
25V
1210
JP2
OFF
RUN1
JP2
OFF
RUN1
1 3
2
R5
10K
R5
10K
R8
OPT
R8
OPT
C11
OPT
C11
OPT
JP6JP6
1
3
2
4
R18
60.4K
R18
60.4K
E10
TRACK2
E10
TRACK2
R9
60.4K
R9
60.4K
+
CIN1
150uF
25V
+
CIN1
150uF
25V
E9E9
TP1
SW1
TP1
SW1
R12
60.4K
R12
60.4K
C8
OPT
C8
OPT
E3
PGOOD1
E3
PGOOD1
C9
OPT
C9
OPT
R26
10
R26
10
JP4
SOFT-START
TRACK
JP4
SOFT-START
TRACK
1
3
2
E5E5
COUT5
100uF
6.3V
COUT5
100uF
6.3V
R13
6.04K
R13
6.04K
E16
CLKIN
E16
CLKIN
R29
0
R29
0
TP2
SW2
TP2
SW2
R25
40.2K
R25
40.2K
R4
OPT
R4
OPT