9
dc2469af
DEMO MANUAL DC2469A
Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog
Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications
subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
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 and Capacitors 0603.
See Demo Manual for details on VOUT2 and VOUT4 current capability.
(2MHz)
*
*
*
OPTION
AL CIRCUIT
OPTION
AL CIRCU
IT
IN
TVCC4
IN
TVCC
IN
TVCC
INTVCC
IN
TVCC
SYN
C
SYN
C
VOUT1
INTVCC
INTVCC
INTVCC
VOUT1
VOUT1
INTVCC4
D2
PMEG6002EB
E13
VOUT2 3.3V
/ 1.5A
JP
3
RUN
EXT
RUN
3
1
3
2
C4 OPT 0402
C20
4.7µF
10V
0603
D3
PMEG6002EB
E6
PG2
CVIN3 10µF
C18 100uF 6.3V 1206
R14
200k 1%
C5 OPT 0402
C16 (Opt)
R10
OPT
C38
R19 200k 1%
E8
PG4
R34
0
C22 47µF 10V X5R 1206
FB1
742792150
E18
GN
D
+
C1 22µF 50V
C32 0.1µF 50V 0402
Q2
OPT
MMBT3906
1
3
2
C30 4.7pF
C25 1500pF
C17 0.1µF 25V 0402
L5-2
1.5uH
7448700015
2
4
C36 OPT
E9
VOUT1 5V /
1.5A
+
C7 47µF 16V
C28 (Opt)
C6 47uF 16V 1210
JP4
OFF
ON
EN
/UVLO
1
3
2
R39
OPT
R2 24.9k 1%
C14
(Opt)
Q1 BSZ067N
06LS3 G
R20
OPT
C26 4.7µF 50V 1206
R27
0
R33
0
R17 187k 1%
R38 OPT
C27 4.7µF 50V 1206
E4
GN
D
L1
0
0805
C37 OPT
C15
47nF X7R
R35
OPT
0
R3 24.9k 1%
R13
200k 1%
E17
SYN
C
C13 2.2µF
0402
10V
C23 2.2µF
0402
10V
C43
OPT
C12 47µF 10V X5R 1206
R30
OPT
JP
5
VOU
T2
VOUT1
1
3
2
C2 0.1µF 0402
R37 0
C10 0.1µF 25V 0402
C31 22pF
E12
TRKSS2
E15
RUN
3
CVIN
6
L3
1.5µH
XEL4030-152ME
CVIN
7
E14
GN
D
C11
47nF X7R
R25 OPT
R32
0
E19
RST
R7 365k 1%
E7
PG3
R24 0
U2
OPT
LTC6908CS6
-1
V+
1
OUT1
6
GN
D
2
MOD
4
SET
3
OUT2
5
R5 24.9k 1%
R23
2.49M
CVIN4
10µF 50V X7R 1206
D1
PMEG060V050EPD
E16
VOUT3 1.8V / 1.5A
C34
10µF 50V 1210
JP
2
OFF
ON
TRKSS2
1
3
2
R6 3.32M 1%
E10
TRK
SS1
C29 2.2pF
R11 200k 1%
CVIN
1
4.7µF 0805
E3
GN
D
C19 2.2µF
0402
10V
E11
GN
D
R16 30.1k 1%
R21
10k 1%
JP
1
OFF
ON
TRKSS1
1
3
2
L5-1
1.5uH
7448700015
1
3
C21
4.7µF
10V
0603
C41 OPT
E5
PG1
R31
OPT
1%
49.9K
CVIN
5
C33
OPT 50V 1206
R28
OPT 1210
R26
OPT
CVIN
1uF
50V
E2
VOUT4 8V / 1.5A
R9
200k 1%
R36 0
CVIN
2
4.7µF 0805
R15
1M
U1 LT8603EUJ
GND
13
SW3
36
BST1
4
FB1
26
PVI
N1
37
SW1
3
GND
8
SW2
6
BST2
5
FB2
25
SYN
C
33
FB3
27
GATE4
15
FB4
24
RT
29
IN
TVCC
28
VIN
23
EN
/UVLO
22
PG1
1
TRKSS1
21
TRKSS2
20
RU
N3
30
ISN4
18
GND
2
BIAS
9
PVIN
3
34
PG2
10
PG3
40
PG4
11
RST
32
ISP
4
19
PVI
N2
14
IN
TVCC4
16
GND
35
GND
38
GND
41
SW2
7
CP
OR
31
POREN
39
FSEL4A
12
FSEL4B
17
C3 0.1µF 0402
R8 806k 1%
E20
POREN
E1
VEMI+ 3V - 42V
R29 OPT
R12 464k 1%
C8 0.1uF 16V
L4
1.0µH
NIC Comp
. Corp.
NPIM42P
1R0MTRF
C9 47uF 16V 1210
R18
150k 1%
R1
0.008
0815
1%
L2
3.3µH
XEL4030-332ME
R4 24.9k 1%
VOUT3
VOUT4
PG1
PG2
PG3
PG4
VEMI
PG3
VIN
VIN
VOUT4
VOUT1
VOUT2
IS
N
4
ISN
IS
N
4
PG4
