DC723A - Schematic

1
2
3
7
8
C5
(Opt.)
1206
2
D5
LED (White)
11
GND
D16
LED (White)
B
D12
LED (White)
FB2
5
C3
1uF
50V
D14
LED (White)
6
R1
15
1%
Gnd
2
JP2
Vout2
3
SHDN
CTRL1
7
1
ENABLE
E6
CTRL2
C
E5
1
ENABLE
3
R2
147K
1%
SHDN
JP1
Vout1
2
R3
15
1%
8
9
E4
D17
LED (White)
C
4
FB1
D15
LED (White)
D10
LED (White)
CTRL2
10
D8
LED (White)
U1
LT3466EDD
VOUT2
RT
D13
LED (White)
VOUT1
CTRL1
1
C2
1uF
50V
A
D6
LED (White)
SW2
D11
LED (White)
VIN
2
SW1
D9
LED (White)
E3
D4
LED (White)
L2
68uH
D62CB680M
3
L1
68uH
D62CB680M
D7
LED (White)
C6
(Opt.)
1206
D2
LED (White)
D18
BAT54A
(Opt.)
D3
LED (White)
B
Vout2 Test
24V-28V
3
C1
1uF
16V
E2
D1
LED (White)
A
Gnd
6
Vin
3V-8V or 3V-20V (With Diode Option)
C4
(Opt.)
1206
E1
5
1
Vout1 Test
34V-40V
4
kevin lac
E7
Customer Notice
D
LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY
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
Title
1630 McCARTHY BLVD.
MILPITAS, CA. 95035
PHONE (408) 954-8400 FAX (408) 434-0507
D
Dual High Efficiency White LED ( 7/10 ) Driver
Size
A
Document Number
Date:
Monday, October 06, 2003
DC723A
6
Rev
LT3466EDD
7
Sheet
1
of
8
1
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