DC2132A - Schematic

U5
LTC3632EDD#PBF
Q3
MMBT3906-7-F
3
OFF
1
C25
1µF
R41
S1
ON
7
2
4
R43
10k
VIN
SW
RUN
VFB
HYST
ISET
SS
GND
5
6 VIN
7 VIN
VIN
Vin
C3
10µF
50V
1210
+
R5
499k
1%
4
BST
SW
SW
SW
SW
SW
R6
54.9k
1%
GND
E2
1
BIAS
PG
21
INTVCC
2
GRN
C14
1µF
FB
15
16
17
18
19
C5
C6
+ 10µF 10µF
50V
50V
C29
1210 1210
100µF
35V
EMZA350ADA101MF80G
24
R16
C13
0 Ohm
1nF
C19
10µF
50V
1210
C24
(Opt)
1210
R46
(Opt)
7
3
IN
OUT
TAB
NC
IMON
ILIM
SET
TEMP
4
8
Ilim+
1
R8
3.92K
1%
5
C10
10µF
50V
1210
C11
10µF
50V
1210
C27
10µF
50V
1210
J3
Vout
C12
1uF
50V
E3
VOUT
0V - 24V
0A - 3A
NOTE 1
E4
R12
100
1%
2
J4
GND
TEMP1
R17
10.0k
1%
Set+
GND
R7
0.010
R9
1%
10k
1206 0805
Ilim-
R19
C30
(Opt)
R37
1.00k
1%
R38
100k
1%
C16
(Opt)
D5
B140-13-F
C23
0.01µF
R21
Q2
MMBT3906-7-F
100k
1%
U2
LT3081ER#PBF
R18
4.99k
1%
6
C9
10µF
50V
1210
E5
U4
LT3092EDD#PBF
C21
1µF
50V
0805
Q1
FMMT493TA
549
1%
(Opt)
Q5
CMST3904TR
IN
OUT
IN
OUT
5
6 NC
NC
NC
8
C7
10µF
50V
1210
IMON
R48
2.7k
7
R44
280k
1%
E7
INTVCC
D
R45
806k
1%
R15
1.00k
1%
G
Q4
SI2309CDS-T1-GE3
8
4.99k
1%
R47
5.1k
S
C26
10µF
6.3V
6
R14
23
RT
8
9 PGND
10 PGND
PGND
R20
60.4k
1%
700kHz
R42
1.47M
1%
L1
22
3
C15
0.1µF
3
U1
LT3081ER#PBF
5.5µH
744325550
Wurth Electronik
TR/SS
29
549
1%
INTVCC
11
12 GND
13 GND
14 GND
GND
R13
SYNC
POWER ON
D4
LG L29K-G2J1-24-Z
muRata
LQH32CN471K23L
20
C4
0.1µF
50V
EN/UV
6
R2
25
26 NC
27 NC
28 NC
NC
J1
GND
L2
470µH
1
9
U3
LT8612EUDE#PBF
E1
C8
22µF
63V
J2
5
1k
30-10002B
Philmore
VIN
10V to 40V
2
Vin
INTVCC
OUT
SET
4
1
2
3
9
IMON
R22
Set+
200
1%
0805
E6
GND
VOUT MAX
R24
47.5k
1%
1
2
5V
3
4
15V
5
6
24V
JP1
IMON
7
3
IN
OUT
TAB
NC
ILIM
IMON
R29
1.00k
1%
SET
TEMP
R23
4
8
R25
(Opt)
1
C20
10µF
50V
1210
C22
10µF
50V
1210
C28
10µF
50V
1210
R26 0.010
1%
10k
1206 0805
5
2
E8
TEMP2
R30
10.0k
1%
R27
73.2k
1%
R28
11.3k
1%
VOUT ADJUST
ILIM ADJUST
2
NOTE 1
Set+
C17
0.01µF
3
CW
CCW
2
1
3 CW
Ilim+
R31
10k
Bourns Inc.
91A1A-B28-A15L
CCW
2
3
CW
CCW
NOTES: UNLESS OTHERWISE SPECIFIED.
1. MAX VOUT is set by JP1 setting.
2. ALL CAPACITORS AND RESISTORS ARE 0603.
3
CW
CCW
1
Ilim-
R34
5k
(OPT)
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.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APP ENG.
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
TECHNOLOGY
LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY
N/A
SCALE = NONE
1630 McCarthy Blvd.
Milpitas, CA 95035 www.linear.com
Phone: (408)432-1900
Fax: (408)434-0507
TITLE: SCHEMATIC
SIZE
C:\PADS PROJECTS\2132A\SCH\2132A_REV3.DSN
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
Ilim-
2
1
R33
10k
(OPT)
CUSTOMER NOTICE
1
R32
5k
Bourns Inc.
91A1A-B28-A13L
Constant Voltage, Constant Current
Bench Supply
LT3081, LT8612, LT3092, LTC3632
DC2132A
IC NO.
MODIFY DATE: May 22, 2014
10:51:20
SHEET
1
OF
REV.
3
1
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