DC1870A - Schematic

5
4
3
2
ECO REV
1
2
-
-
1
REVISION HISTORY
DESCRIPTION
APPROVED
1st PROTOTYPE
PRODUCTION
EDWIN LI
EDWIN LI
DATE
May 20, 2011
Jun 06, 2013
D
D
U1
LT3081EFE
VIN
VIN
2.8V - 36V
E1
+
E2
12
13
14
15
CIN2
10uF
50V
1210
CIN1
10uF
50V
IN
IN
IN
IN
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
GND
E3
10
IMON
R13
499
1%
R12
(Opt)
C
VOUT
IMON
ILIM
1
2
3
4
5
8
9
16
17
E4 VOUT
ADJ.,
R8
(Opt)
1.5A MAX
R9
499
1%
0805
C1
22uF
16V
1206
E5
GND
6
E6
SET
TEMP
11
TEMP
C2
(Opt)
7
C3
(Opt)
C
R14
1k
C4
0.01uF
B
R1
1
2
1.2V
3
4
1.5V
5
6
1.8V
7
8
2.5V
R4
3.3V
49.9k 1%
9
10
11
12
13
14
24.3k
R2
30.1k
1%
36.5k
100k
66.5k
1. ALL CAPACITORS AND RESISTORS ARE 0603.
2. JUMPERS SHOWN IN DEFAULT POSITIONS
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.
RB
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APP
ENG.
EDWIN LI
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
C:\PADS PROJECTS\1870A(LT3081EFE)\SCH\1870A_REV2.DSN
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
1%
(Opt)
CUSTOMER NOTICE
NOTES: UNLESS OTHERWISE SPECIFIED.
B
R7
1%
JP1
A
1%
R5
R6
5V
USER SELECT
1%
R3
3
TECHNOLOGY
LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY
TITLE: SCHEMATIC
SIZE
N/A
SCALE = NONE
1630 McCarthy Blvd.
Milpitas, CA 95035 www.linear.com
Phone: (408)432-1900
Fax: (408)434-0507
1.5A SINGLE RESISTOR RUGGED
LINEAR REGULATOR WITH MONITORS
IC NO.
REV.
LT3081EFE
2
DEMO CIRCUIT 1870A
Jun 06, 2013
DATE:
2
SHEET
1
1
OF
1
A
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