DC1585A - Schematic

1
2
REVISION HISTORY
ECO
REV
__
U1
VIN
E1
1.7V - 23V
5
+
CIN *
10uF
50V
C1
4.7uF
50V
1206
A
VCONTROL
2.8V - 25V
E2
IN
OUT
NC
VCONTROL
E4
3
C3
22uF
16V
10%
1206
6
1
EDWIN L.
11-10-10
R7
499
0805
VOUT
ADJ., 3A MAX
A
E5
GND
2
2
1.2V
3
4
1.5V
5
6
1.8V
7
8
2.5V
9
10 3.3V
12 5.0V
1
C4
0.01uF
GND
PRODUCTION
DATE
SET
C2
4.7uF
50V
1206
E3
2
APPROVED
LT3083EQ
OUT
4
DESCRIPTION
11
R1
R8
24.3K 1%
R2
30.1K 1%
R3
35.7K 1%
R4
49.9K 1%
R5
14 USER 100K 1%
SELECT
13
JP1
66.5K1%
R6
(OPT)
NOTE: UNLESS OTHERWISE SPECIFIED
1. ALL RESISTORS AND CAPACITORS ARE IN 0603.
2. INSTALL SHUNTS AS SHOWN.
B
*
CIN IS OPTIONAL, FOR VIN PAMPING PURPOSE ONLY.
CUSTOMER NOTICE
B
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
HZ
EDWIN L.
TITLE: SCHEMATIC
ADJUSTABLE 3A SINGLE RESISTOR LDO REGULATOR
SIZE
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
1
N/A
SCALE = NONE
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
DATE:
IC NO.
REV.
LT3083EQ
2
DEMO CIRCUIT 1585A
Thursday, November 18, 2010
2
SHEET 1
OF 1
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