DC1019A - Schematic

1
2
3
VIN
3V-10V
7
8
A
C2
1uF
16V
L1
15uH
SD3112-150
D2
D3
D4
D5
D6
7
LED2
D8
D9
D10
D11
D12
5
3
LED1
D7
3
1
U1
LT3497EDDB
SW2
D1
SW1
9
E2
L2
15uH
SD3112-150
8
+ C1
47uF,16V
(Opt.)
GND
2
E3
VIN
JP1
Output1
1
2
C5
0.1uF
PWM2
R6
0
C4
1uF
35V
1
B
E6
2
6
Exposed Pad
Solder Side
GND
R3
100K
1%
SHDN/DIMMING CONTROL1
CAP2
CTRL1
11
CAP1
Q2
(Opt.)
R4
100K
1%
C6
0.1uF
SHDN/DIMMING CONTROL2
JP2
Output2
3
E4
2
2
E5
10
LED (White)
CTRL2
C3
1uF
35V
R2
10
4
1
R1
10
GND
LED (White)
R5
0
3
PWM1
B
6
VIN
E1
Q1
(Opt.)
5
VIN
A
4
3
VIN
1
ON
OFF
ON
C
OFF
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) 954-8400 FAX (408) 434-0507
Title
D
Dual White LED Driver Converter
Size
Document Number
Date:
Thursday, November 10, 2005
DC1019A
6
Rev
LT3497EDDB
7
Sheet
1
of
A
8
1
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