DC1160A - Schematic

B
C
E7
R6
0
R5
Opt.
R7
0
TGEN
10
CTRL
5
VREF
C3
0.01uF
2
GND
E10
C4
0.01uF
14
15
Q1
Si2319DS
2
3
LED+
R8
392k
OUT
PVIN
R13
5.1k
R9
Opt.
R3
Opt.
LED+
R15
Opt.
12
LED+
330mA
E2
ISN
ISP
2
SW
1
SW
PVIN
OUT
FB
4
Opt.
3
2
13
8
R10
Opt.
PWM
SYNC
CTRL
R11
Opt.
16
OUT
+C1 E1
Q2
Opt.
1
R12
10k
7
9
E8
TG
U1
LT3518EUF
RT
PWM
SHDN
6
3
4
E6
VC
SHDN
OUT
11
E5
R2
Opt.
1206
C6
2.2uF
Opt.
R1
0.300
1%
1206
CVIN
1uF
50V
GND
GND
R4
51k
VIN
17
VIN
E3
3V-30V
40V Transients
R16
1206
Opt.
1
COUT
2.2uF
50V
3
Opt.
2
OUT
10uH
CPVIN
2.2uF
50V
VIN
4
+C2
SS
E4
D1
10MQ060N
L1
CIN Boost
PVIN
3V-40V
E
3
PVIN
D
1
A
R14
16.5k
1%
1MHz
E12
GND
2
C5
4.7nF
E9
E11
SYNC
GND
LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY
Customer Notice
1
A
B
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.
C
LINEAR TECHNOLOGY CORPORATION
1630 McCARTHY BLVD.
MILPITAS, CA. 95035
PHONE (408) 432-1900 FAX (408) 434-0507
Title
1
Full-Featured LED Driver with 2.3A Switch Current
Size
A
Date:
Document Number
Demo Circuit 1160A
Wednesday, July 18, 2007
D
Rev
LT3518EUF
Sheet
1
E
of
1
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