DC1401A - Schematic

5
4
3
2
1
REVISION HISTORY
ECO
REV
DESCRIPTION
0
DATE
APPROVED
1st PROTOTYPE
D
D
U1
LT3085EDCB
VIN
1.7V - 25V *
C
VCONTROL
2.8V - 25V *
E4
E1
6
CIN **
+ 10uF
35V
10%
C1
1uF
35V
5
E2
4
C2
1uF
35V
IN
OUT
IN
OUT
VCONTROL OUT
1
2
VOUT
0.5A MAX
C3
4.7uF
10V
10%
E5
GND
7
C
SET
3
E3
GND
C4
0.01uF
B
1.2V
R1
4
1.8V
121K 1%
5
6
2.5V
R3
7
8
3.3V
9
10
5.0V
1
2
3
12 USER
SELECT
11
R2
182K 1%
R4
249K 1%
R5
332K
A
This circuit is proprietary to Linear Technology and supplied
for use with Linear Technology parts.
Customer Notice: Linear Technology has made a best effort to
design a circuit that meets customer-supplied specifications;
however, it remains the customers 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
Applications Engineering for assistance.
5
4
APPROVALS
DRAWN: Rudy Bautista
ENGINEER: Tiger Zhou
(Opt)
LINEAR TECHNOLOGY CORPORATION
1630 McCARTHY BLVD
MILPITAS, CA. 95035
(408)432-1900
(408)434-0507 (FAX)
Title
LT3085EDCB
APPROVED:
CHECKED:
Date:
Thursday, August 14, 2008
3
B
R6
499K 1%
JP1
* SEE QSG FOR DETAILS.
** CIN IS OPTIONAL, FOR VIN DAMPING PURPOSE ONLY.
1%
SD
LTC Confidential For Customer Use Only
A
Adjustable Single Resistor LDO Regulator
Document Number
Rev
DEMO CIRCUIT 1401A
C:\ORCADWIN\CAPTURE\1401A\1401A_REV0.DSN
2
www.linear.com
Sheet
1
1
of
0
1
Similar pages