DC1622A - Schematic

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REVISION HISTORY
ECO
REV
DESCRIPTION
1
PRODUCTION
APPROVED
DATE
M. ZHU
12-14-09
A
A
R1
OPT
U1
LT3032IDE
C1
2.2uF
25V
0805
GND
B
INP
OUTP
1
NC
JP1
1
2
3
ON
OFF
12
4
E3
15
BYPP
3
E1
C2
0.01uF
50V
SHDNP
GND
GND
ADJP
R5
1M
1%
1.22V
OPT.
3.3V
5V
12V
15V
13
R4
787K
1%
2
4
6
8
10
12
14
E2
R3
274K
1%
J1
OUTP SELECT
R6
88.7K
1%
1
3
5
7
9
11
VINP
2.3V ~ 20V
R2
150K
1%
2
OUTP
150mA
C3
10uF
25V
1210
E4
GND
B
*
exposed pad
solder side
R13
OPT
*SEE QUICK START GUIDE
9
C6
2.2uF
25V
0805
C
GND
INN
exposed pad
solder side
OUTN
BYPN
JP2
ON
OFF
1
2
3
10
SHDNN
ADJN
5
E8
11
C4
0.01uF
50V
J2
OUTN SELECT
8
3
OUTN
-150mA
C5
10uF
25V
1210
E7
4
TECHNOLOGY
TITLE: SCHEMATIC
C
GND
SIZE
DATE:
5
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
D
DUAL 150mA POSITIVE / NEGATIVE LOW NOISE
LOW DROPOUT LINEAR REGULATOR
IC NO.
A
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
2
R12
88.7K
1%
CONTRACT NO.
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
APPROVALS
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
K. LAC
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
M. ZHU
ENG.
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
1
E5
GND
CUSTOMER NOTICE
D
R11
1M
1%
7
INN
INN
R10
787K
1%
2
4
6
8
10
12
VINN
-2.3V ~ -20V
6
R9
274K
1%
1
3
5
7
9
11
16
E6
R8
150K
1%
-1.22V
OPT.
-3.3V
-5V
-12V
-15V
R7
OPT
LT3032IDE
REV
1
DEMO CIRCUIT 1622A
Friday, September 28, 2012
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1 OF 2
SHEET
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