DC1166A - Schematic

5
D
4
3
2
1
REVISION HISTORY
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.
ECO
REV
DESCRIPTION
DATE
PROD
A
APPROVED
06/29/07
D
C2
1
2
1uF
E1
VIN
R1
C5
4.5V - 55V
E2
GND
50V
10uF
100V
OPT
0.47uF
100V
L1
ON
C4
0.1uF
VREG
5
LED
10
GND
OFF
6
GND
R3
1
CTRL
2
3
1
0.1uF
JP1
2
C3
2
2
100K 1%
1
SW
U1
330uH
LT3590EDC
COILCRAFT
LPS3010-334ML
C
3
7
R2
1
E3
VIN
4
C
CTRL
E5
LED+ 1 to 10 LEDS LED50mA
4.02 1%
C1
+
E4
E6
VREG
B
B
3.3V, 1mA
CONTRACT NO.
APPROVALS
DRAWN
MEI
CHECKED
A
DATE
06/29/07
TECHNOLOGY
TITLE
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
SCH, LT3590EDC, 48V BUCK-MODE LED DRIVER
A
APPROVED
ENGINEER
DESIGNER
Thursday, July 12, 2007
5
4
3
SIZE
CAGE CODE
SCALE:
DWG NO
FILENAME:
2
REV
DC1166A
1166A-A.DSN
SHEET
A
1
1
OF
1
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