DC1388A - Schematic

1
2
3
4
5
6
7
8
A
A
VOUT
2V - 45V
4
E3
OUT
3
COUT1
2.2uF
25V
J1
VOUT Select
Exposed Pad
Solder Side
E1
C2
(Opt.)
1
3
5
7
9
11
13
15
GND
CIN1
1uF
50V
GND
JP1
5
R1
619K
1%
SHDN
6
GND
OFF
B
E4
1
2
3
ON
GND
B
C1
+ 6.8uF
50V
2
ADJ
R2
931K
1%
R3
1.24M
1%
R4
1.43M
1%
R5
1.96M
1%
R6
2.8M
1%
R7
4.53M
1%
R8
Opt.
1
R9
619K
1%
7
E2
VIN
OUT
20mA MAX
2
4
6
8
10
12
14
16
VIN
1.2V
1.5V
1.8V
2.0V
2.5V
3.3V
5.0V
User
U1
LT3008EDC
C
C
LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY
Customer Notice
D
1
2
3
LINEAR TECHNOLOGY CORPORATION
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.
This Circuit Is Proprietary To Linear Technology And
Supplied For Use With Linear Technology Parts.
4
5
1630 McCARTHY BLVD.
MILPITAS, CA. 95035
PHONE (408) 432-1900 FAX (408) 434-0507
Title
D
www.linear.com
3 A Quiescent Current, 20mA Linear Regulator
Size
A
Document Number
Date:
Wednesday, December 10, 2008Sheet
LT3008EDC, Demo Circuit 1388A
6
7
1
of
8
1
Rev
A