Linear Technology LT3032, Руководство пользователя

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5
dc1622af
DEMO MANUAL DC1622A
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
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
A
A
B
B
C
C
D
D
OFF ON
150mA
3.3V
5V
15V
12V
OPT.
1.22V
-150m
A
-3.3V
-15V
-12V
-5V
-1.22V
OPT.
OFF ON
080
5
080
5
121
0
121
0
2.
3V ~ 20V
LOW DROPOUT
LINEAR REGULAT
O
R
-2.
3
V ~ -20V
*SEE QUI
C
K ST
ART
GUI
D
E
DUAL
1
5
0
m
A PO
SI
T
IVE /
NEG
A
T
IVE L
O
W NO
IS
E
M. ZH
U
PRODUCT
ION
1
1
2-14-09
REVISIO
N
HISTO
R
Y
DE
S
CRIP
TIO
N
DATE
A
PPR
OVED
EC
O
R
EV
1
T
ues
day
,
F
ebr
u
a
ry
1
6
, 2
0
1
0
12
K. LAC M. ZHU
A
LT
3032
ID
E
D
E
M
O
C
IR
C
U
IT
1622A
SI
Z
E
DATE
:
IC NO
.
R
E
V
SH
EET
O
F
TITLE
:
CO
NTRACT NO
.
AP
P
R
O
V
A
L
S
PCB DE
S
.
ENG
.
TECHNO
LO
G
Y
F
ax: (408)434-0507
Mi
lp
itas,
C
A
9
5035
Ph
o
n
e: (408)
432-1900
1630 McC
ar
th
y B
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fi
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U
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n
ly
CUSTOM
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R NOTICE
L
INEAR T
E
CHNOL
OGY HAS M
ADE A BEST
EF
F
O
RT
T
O
D
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S
IG
N
A
CI
RCUI
T
T
HAT
M
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SUPPL
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F
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HO
WEVER,
IT
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IN
S T
H
E CUST
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B
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VERIF
Y PROPER AND REL
IABL
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ION IN T
H
E
A
C
T
U
A
L
APPL
ICAT
ION. COM
P
ONENT
SUBST
IT
U
T
ION AND PRINT
E
D
CIRCUIT
BO
ARD L
A
YOUT
M
A
Y SIGNIF
ICANT
L
Y
AF
F
E
CT
CIRCUIT
P
E
R
F
O
RM
ANCE OR REL
IABIL
IT
Y
. CONT
ACT
L
INEAR
T
E
CHNOL
OGY APPL
ICAT
IONS ENGINEERING
F
O
R
A
S
S
IS
T
ANCE.
T
H
IS CIRCUIT
IS PROPRIET
ARY
T
O
L
INEAR T
E
CHNO
L
O
G
Y
A
N
D
S
CHE
MA
T
IC
SUPPL
IED F
O
R USE WIT
H
L
INEAR T
E
CHNO
L
O
G
Y
P
A
R
T
S
.
E1
OU
T
P
C3 10uF 25V
E4
GN
D
E7
GN
D
C4 0.01uF 50V
E8
GN
D
R12 88.7K 1%
R9 274K 1%
J1
O
U
T
P
SEL
ECT
1 2
3 4
5 6
7
9 10
8
11 12
R2 150K 1%
R10 787K 1%
R6 88.7K 1%
E3
GN
D
R8 150K 1%
JP
1
1 2 3
R3 274K 1%
C5 10uF 25V
R11 1M 1%
R13* OP
T
R4 787K 1%
R1 OP
T
JP
2
1 2 3
R7 OP
T
E5
OU
T
N
R5 1M 1%
E6
VI
N
N
J2
OUT
N
S
E
LE
CT
1 2
3 4
5 6
7
9 10
8
11 12
C1 2.2uF 25V C6 2.2uF 25V
C2 0.01uF 50V
E2
VI
N
P
ex
posed pad
sol
der
si
de
sol
der
si
de
ex
posed pad
U1 LT303
2
ID
E
3
5
2
10
9
1
4
7 11 8
12 14 13
6
BYPP
GND
ADJ
P
SHDNN INN
OUT
P
GND
OUT
N
BYPN
ADJ
N
SHDNP INP NC INN