DC1053A - Schematic

A
4
B
C
D
E1
+VIN
1V-5V
REVISION HISTORY
SD PC AD FD
0
DESCRIPTION
0 0 0
DATE
APPROVED
1st Release
2
R4 from 1.10M to 1.07M
4
2
3
2
Value Change R1,R2,R3,R4 & C3
Add "E" Version
Add "F to H" Version
Obsolete "A" and "C" Version.
5
2
4
2
Obsolete "B" and "D" Version.
3
12/01/06
F. Hoffart
08/17/07
F. Hoffart
4
04/02/09
F. Hoffart
06/05/09
F. Hoffart
L1
+
3
*
C1
(Opt)
"B" Case
U1
E2
GND
3
C2
1uF
10V
*
VIN
3
D1
SW
1
(Opt)
E3
4
SHDN
SHDN
VOUT
6
R1
1.58M
1%
C3
47pF
JP4
VOUT
2
GND
FB
5
R4
499K
1%
2
3
OFF
R2
301K
1%
JP1
R3
1.96M
1%
C5
1uF
10V
C4
10uF
10V
E4
1.8V / 3.3V / 5V
+VOUT
E5
GND
1.8V
1
ON
2
E
REVISION #
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.
JP2
3.3V
2
JP3
5V
BOARD ASSEMBLY
U1*
1
DC1053A-E
DC1053A-F
DC1053A-G
DC1053A-H
LTC3526LEDC
LTC3526LBEDC
LTC3526LEDC-2
LTC3526LBEDC-2
L1*
freq
4.7uH
4.7uH
2.2uH
2.2uH
1MHz
1MHz
2MHz
2MHz
APPROVALS
Mode
DRAWN: Rudy Bautista
Burst
No Burst
Burst
No Burst
ENGINEER:
B
1630 McCARTHY BLVD
MILPITAS, CA. 95035
(408)432-1900
(408)434-0507 (FAX)
Title
APPROVED:
CHECKED:
Date:
A
Fran Hoffart
LINEAR TECHNOLOGY CORPORATION
C
Friday, June 12, 2009
SD
LTC3526L
www.linear.com
LTC Confidential For Customer Use Only
500mA Synchronous Boost Converter
Document Number
Rev
Demo Circuit 1053A
C:\ORCADWIN\CAPTURE\1053A\1053A_REV5.DSN
D
1
Sheet
E
5
1
of
1
Similar pages