DC1265A - Schematic

4
3
2
1
1
D12 D11 D10
G
2
TP9
E4
GND
22
21
TP12
ULED2
ULED17
20
TP13
3
ULED3
ULED16
19
TP14
TP10
4
ULED4
ULED15
18
TP15
TP11
5
ULED5
ULED14
17
TP16
6
ULED6
ULED13
16
TP17
TP18
8
ULED8
ULED11
14
TP19
9
ULED9
ULED10
13
TP20
C4
2.2uF
10V
0603
1
2
5
4
3
6
29
GND
ULED12
24
E2
ULED7
15
RST
C5
4.7uF
6.3V
0603
7
25
E1
C2M
TP8
D
ULED18
C2P
ULED1
CPO
1
C1M
TP7
VIN
GND
DVCC
SCL
SDA
RST
U18
U17
U16
U15
C
U14
U13
U12
U11
U10
U1
LTC3220EPF/LTC3220EPF-1
J3 OPT
1
2
5
4
3
6
VIN
GND
DVCC
SCL
SDA
RST
B
PWR OUT
PWR IN
TP21
TP23
SCL
C6
0.1uF
10V
TP22
SDA
J1
1
3
5
7
9
11
13
+
+
+
+
+
+
+
+
+
+
+
+
+
+
2
4
6
8
10
12
14
0.0
U2
1
R5
5.1K
5%
R6
5.1K
5%
TP1
SMT
2
A0
A1
3
A2
6
SCLK
7
WP
4
SDA
5
Vcc
8
C7
0.1uF
10V
Vss
24LC025
TP2
SMT
RST
4
WARNING!
Do not look directly at operating LED.
Serious eye damage may occur.
TABLE 1
R1
402
R4
5.1K
5%
DVCC
E3
R3
CON14AP
A
R
C2
2.2uF
10V
0603
26
27
TP6
23
TP5
28
C1
2.2uF
10V
0603
TP4
CPO
VIN - 5.1V
0 - 360mA
4
B
D22
RGB4
3
R
2
G
3
B
4
R
D23
RGB5
4
1
D15 D14 D13
2
1
2
4
G
3
1
3
2
1
TP3
J2 OPT
B
B
D24
RGB6
C3
4.7uF
6.3V
0603
2.9V - 5.5V
GND
R
SDA
VIN
G
SCL
U9
B
D18 D17 D16
12
U8
R
DVCC
U7
G
D1
11
U6
B
D2
10
U5
R
D3
C1P
U3
U4
D4
D19
RGB1
VIN
U2
D5
D20
RGB2
4
2
U1
C
G
3
B
D
D6
3
D7
2
D8
D21
RGB3
4
D9
1
E5
R2
1.0M
5%
C8
1000pF
50V
ASSY TYPE
U1
DC1265A-A
LTC3220EPF
DC1265A-B
LTC3220EPF-1
CUSTOMER NOTICE
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.
3
APPROVALS
Nick Carlone
DATE
-
CHECKED
APPROVED
TECHNOLOGY
TITLE
GND
NOTE: UNLESS OTHERWISE NOTED,
ALL CAPACITORS AND RESISTORS ARE 0402,
ALL RESISOTRS ARE 1%
CONTRACT NO.
DRAWN
E6
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
A
LTC3220EPF/LTC3220EPF-1
360mA UNIVERSAL 18-CHANNEL LED DRIVER
ENGINEER Marty Merchant 4/5/07
SIZE CAGE CODE
DESIGNER
Wednesday, December 12, 2007
2
SCALE:
FILENAME:
DWG NO
REV
DC1265A
SHEET
1
A
1
OF
1
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