DC2079A

7
dc2079af
DEMO MANUAL DC2079A
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
schematic Diagram
*
SEE DEMO MANUAL FOR INPUT RANGE
1206
NOTES: UNLESS OTHERWISE SPECIFIED.
1. RESISTORS ARE 0402 CASE SIZE.
2. CAPACITORS ARE 0603 CASE SIZE.
-VMODE
PVIN
OUT
SYNC
SYNC
PVIN
SYNC
INTVCC
OUT
INTVCC
OUT
OUT
OUT
INTVCC
R10
(Opt)
0805
R10
(Opt)
0805
C10
0.01µF
C10
0.01µF
R17
(Opt)
R17
(Opt)
R4
147k
1%
0603
R4
147k
1%
0603
C14
(Opt)
1210
C14
(Opt)
1210
R11
0 Ohm
0805
R11
0 Ohm
0805
E1
PVIN
5V - 30V*
E1
PVIN
5V - 30V*
C2
10µF
50V
1210
C2
10µF
50V
1210
E6
CTRL
E6
CTRL
R1
28.7k
1%
350kHz
R1
28.7k
1%
350kHz
R5
1M
R5
1M
L1
22µH
DR125-220
L1
22µH
DR125-220
R3
499k
0603
R3
499k
0603
E5
OUT
E5
OUT
C15
(Opt)
1210
C15
(Opt)
1210
R21
124k
1%
0603
R21
124k
1%
0603
C16
47nF
300Hz
C16
47nF
300Hz
C4
4.7µF
50V
1210
C4
4.7µF
50V
1210
Q1
(Opt)
Q1
(Opt)
C6
(Opt)
1210
C6
(Opt)
1210
C1
1µF
50V
1206
C1
1µF
50V
1206
R13
(Opt)
0603
R13
(Opt)
0603
U1
LT3954EUHE
U1
LT3954EUHE
VREF
32
PGND
17
ISP
28
ISN
27
PGND
14
VC
30
INTVCC
3
PGND
16
DIM/SS
35
PWM
33
VMODE
34
PGND
15
PWMOUT
23
FB
25
SW
38
VIN
6
EN/UVLO
2
CTRL
31
RT
36
GND
37
SW
21
PGND
13
GNDK
12
GND
4
GND
24
SYNC
1
SW
8
SW
9
NC
10
SW
20
R12
0 Ohm
R12
0 Ohm
E3
PGND
E3
PGND
R23
(Opt)
0603
R23
(Opt)
0603
R20
(Opt)
0603
R20
(Opt)
0603
R22
(Opt)
R22
(Opt)
E2
VIN
5V - 30V*
E2
VIN
5V - 30V*
C12
(Opt)
1210
C12
(Opt)
1210
E9
PWM
E9
PWM
E14
SYNC
E14
SYNC
C11
1µF
10V
C11
1µF
10V
E12
GND
E12
GND
E13
GND
E13
GND
R24
0 Ohm
0603
R24
0 Ohm
0603
E15
DIM
E15
DIM
E11
VMODE
E11
VMODE
E16
INTVCC
E16
INTVCC
R6
165k
1%
R6
165k
1%
E10
EN/UVLO
E10
EN/UVLO
R2
5.1k
R2
5.1k
R7
1.00M
1%
0603
R7
1.00M
1%
0603
E8
LED-
E8
LED-
C17
(Opt)
C17
(Opt)
E7
LED+
32V LED MAX
650mA
E7
LED+
32V LED MAX
650mA
C3
10µF
50V
1210
C3
10µF
50V
1210
C8
(Opt)
1210
C8
(Opt)
1210
M1
Si2318DS
M1
Si2318DS
C9
4.7nF
C9
4.7nF
E4
PGND
E4
PGND
R15
(Opt)
1206
R15
(Opt)
1206
C5
4.7µF
50V
1210
C5
4.7µF
50V
1210
R8
37.4k
1%
R8
37.4k
1%
D1
PDS560-13
D1
PDS560-13
R9
100k
0603
R9
100k
0603
R19
(Opt)
0603
R19
(Opt)
0603
R18
(Opt)
R18
(Opt)
RS1
0.39
1%
1206
RS1
0.39
1%
1206
R14
(Opt)
0603
R14
(Opt)
0603
C13
(Opt)
1210
C13
(Opt)
1210
C7
(Opt)
1210
C7
(Opt)
1210
R16
(Opt)
0603
R16
(Opt)
0603
8
dc2079af
DEMO MANUAL DC2079A
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
FAX: (408) 434-0507
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2013
LT 0413 • PRINTED IN USA
DEMONSTRATION BOARD IMPORTANT NOTICE
Linear Technology Corporation (LT C) provides the enclosed product(s) under the following AS IS conditions:
This demonstration board (DEMO BOARD) kit being sold or provided by Linear Technology is intended for use for ENGINEERING DEVELOPMENT
OR EVALUATION PURPOSES ONLY and is not provided by LTC for commercial use. As such, the DEMO BOARD herein may not be complete
in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including but not limited to product safety
measures typically found in finished commercial goods. As a prototype, this product does not fall within the scope of the European Union
directive on electromagnetic compatibility and therefore may or may not meet the technical requirements of the directive, or other regulations.
If this evaluation kit does not meet the specifications recited in the DEMO BOARD manual the kit may be returned within 30 days from the date
of delivery for a full refund. THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY THE SELLER TO BUYER AND IS IN LIEU
OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS
FOR ANY PARTICULAR PURPOSE. EXCEPT TO THE EXTENT OF THIS INDEMNITY, NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR
ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.
The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user releases LT C from all claims
arising from the handling or use of the goods. Due to the open construction of the product, it is the users responsibility to take any and all
appropriate precautions with regard to electrostatic discharge. Also be aware that the products herein may not be regulatory compliant or
agency certified (FCC, UL, CE, etc.).
No License is granted under any patent right or other intellectual property whatsoever. LT C assumes no liability for applications assistance,
customer product design, software performance, or infringement of patents or any other intellectual property rights of any kind.
LT C currently services a variety of customers for products around the world, and therefore this transaction is not exclusive.
Please read the DEMO BOARD manual prior to handling the product. Persons handling this product must have electronics training and
observe good laboratory practice standards. Common sense is encouraged.
This notice contains important safety information about temperatures and voltages. For further safety concerns, please contact a LT C applica-
tion engineer.
Mailing Address:
Linear Technology
1630 McCarthy Blvd.
Milpitas, CA 95035
Copyright © 2004, Linear Technology Corporation

DC2079A

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
LED Lighting Development Tools LT3954 Demo Board ? 40VIN 40VOUT LED Dri
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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