DC2072A - Schematic

5
4
3
2
1
R11
D
OPT
D
0603
U1
LT3065EDD
1
2
VIN
2.2V - 45V
E2
GND
E4
C
VOUT
ON
+ C1
22uF
50V
3
C2
10uF
50V
1210
5
6
C7
0.022uF
R10
604
0603
1
VIN
VIN
PWRGD
SHDN
OUT
OUT
ILIM
BYP
GND
C5
0.01uF
0603
11
GND
ADJ
4
9
10
C6
1nF
0603
8
7
R1
VOUT
450mA
C4
4.7uF
50V
1210
E3
GND
C
R2
3
E6
B
90.9K
1
2
R3
1.2V
3
4
1.5V
121K
5
6
1.8V
R4
7
8
2.0V
140K
9
10
R5
2.5V
11
12
3.3V
191K
13
14
R6
5.0V
15
16
USER SELECT
274K
B
JP1
R7
442K
NOTE: UNLESS OTHERWISE SPECIFIED
R8
1. ALL RESISTORS ARE 0402.
ALL CAPACITORS ARE 0402.
OPT 0603
CUSTOMER NOTICE
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
A
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
E1
PWRGD
60.4K
JP2
SHDN
C3
4.7uF
50V
1210
R9
60.4K
2
OFF
E5
R12
499K
0603
4
3
TECHNOLOGY
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
TITLE: SCHEMATIC
A
45V, 500mA MICROPOWER LDO WITH
PRECISION CURRENT LIMIT AND POWER GOOD
SIZE
IC NO.
N/A
DATE:
LT3065EDD
DEMO CIRCUIT 2072A
2
SHEET
Monday, February 24, 2014
2
REV.
1
1
OF
1
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