Analog Devices Linear DC2331A-A, Demo Manual

Page: 22 / 24

22
DEMO MANUAL
DC2331A-A/DC2331A-B
Rev. 0
[3.]
VIN
VIN
VREF
VIN
VIN
VREF
VREF
CTRL1 CTRL2
SYNC
EN/UVLO
ISMON
IVINMON
FAULT
INTVCC
VOUT
SENSE-_DCR SENSE+_DCR
TG
SW
BG
BOOST
INTVCC
SENSE+_DCR SENSE-_DCR
SENSE+ SENSE-
FAULT
INTVCC
INTVCC
CTLV
C29 22uF 0805
R106 OPT 2512
C57 10nF
R108 OPT
R24
47K
C61 0.1uF
C37 OPT
RSNS5 0.0025
2512
1%
R16
210K 1%
R98 47K
T
RT1 470K NTC NCP18WM474J03RB 5%
R99
OPT
C30 33nF
CIN4 4.7uF 1210 100V
R115
OPT
1%
100K
R19 909 1%
Q22 OPT SOT-23
1
3 2
C22 47pF
R83 OPT 0805
R51 100K 1%
R111 OPT
R55 15K 1%
R18 107k 1%
- +
U4
LT1636CMS8
OPT
3 2
6
5
7 4
C21
0.22uF
C25 2.2uF
Q20 BSC100N06LS3
3
2
1
4
5
R116 OPT 1% 100K
R112 OPT
C59
OPT 0.1uF
R25
10
COUT5 22uF 16V X7R 1210
R20 10K
Q18
BSC100N06LS3
3
2
1
4
5
R17 12.1k 1%
D8
1N4448HWT
C60 22pF
TP1
R9
OPT
R85 OPT
D5 BAT46WJ
1 2
R117 OPT
R104
OPT
R52
47K
C15 1nF
CIN12 15uF 100V
KRM55WR
R100 OPT
+
COUT14 150uF 16V
16SVP150M
R118 OPT
R50 100K 1%
C31 4.7nF
R22
10
R84 OPT
U2
LT3763EFE
EN/UVLO
4
RT
20
SYNC
21
VREF
5
CTRL1
14
CTRL2
13
SS
15
VC
18
FB
11
SENSE-
16
SENSE+
17
GND
28
GND
23
GND
12
BG
1
INTVCC
2
SW
26
BOOST
27
TG
25
VIN
3
GND
29
IVINN
6
IVINP
7
ISMON
19
IVINMON
8
FAULT
9
PWM
22
PWM_ OUT
24
FBIN
10
R101 OPT
C23 1uF 100V 1206
C14 10nF
R21
10
CIN13 15uF 100V KRM55WR
R119 OPT 1% 124K
+
COUT15 150uF 16V
16SVP150M
R82 150K 1%
Q17 BSC100N06LS3
3
2
1
4
5
L5
6.8uH
SER2915L-682KL
R113 OPT
R114 OPT 1% 82.5K
Q19
BSC100N06LS3
3
2
1
4
5
SCHEMATIC DIAGRAM