DC1784A

7
dc1784af
DEMO MANUAL DC1784A
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
EN/UVLO
LED1+
LED2+
LED3+
OVLO
CTRL1
CTRL2
CTRL3
INTVCC
FLT1
FLT2
FLT3
SYNC
OUT1
OUT2
OUT3
PWM1
PWM2
PWM3
GND
GND
GND
UP TO 50V LED 1A
GND
VIN
PVIN
GND
GND
GND
GND
2.5V - 40V
SD25-470-R
0603 0603 0603
0603
0603 0603 0603 0603
0603 0603 0603
0603
0603
0603
0603
UP TO 50V LED 1A
UP TO 50V LED 1A
310kHz
OUT1
LED2+
OUT2
PVIN
OUT2
OUT3
OUT1
VIN
LED3+
LED1+
OUT3
PVIN
PVIN
PVIN
PVIN
PVIN
PVIN
INTVCC
PVINPVIN
PVIN
REF
INTVCC
REF
PVIN
PVIN
PVIN
M4
SI7113DN
M4
SI7113DN
2
4
7
3
1
6
8
5
R36
OPT
0603
R36
OPT
0603
C12
6.8nF
C12
6.8nF
R38
OPT
R38
OPT
C31C31
E8E8
R37
OPT
0603
R37
OPT
0603
R9
23.2K
R9
23.2K
E26E26
R29
0
1206
R29
0
1206
E20E20
R2
0.25
2010
R2
0.25
2010
E2E2
C29C29
E17E17
R43
OPT
0603
R43
OPT
0603
R20
140K
R20
140K
R3
0.25
2010
R3
0.25
2010
C6
4.7uF
100V
1210
C6
4.7uF
100V
1210
C34
OPT
1210
C34
OPT
1210
R8
23.2K
R8
23.2K
L1
10uH
L1
10uH
M6
SI7113DN
M6
SI7113DN
2
4
7
3
1
6
8
5
D1
PDS360
D1
PDS360
12
3
M1
BSC039N06NS
M1
BSC039N06NS
2
4
7
3
1 6
8
5
R26
100K
R26
100K
J2J2
C14
0.1uF
C14
0.1uF
E19E19
C27C27
C35
OPT
1210
C35
OPT
1210
M2
SI7113DN
M2
SI7113DN
2
4
7
3
1
6
8
5
R23
100K
R23
100K
R31
OPT
R31
OPT
E24E24
R24
100K
R24
100K
R19
1M
R19
1M
R25
100K
R25
100K
+
C37
33uF
50V
+
C37
33uF
50V
E27E27
R1
47.5K
R1
47.5K
R46
OPT
R46
OPT
C15
0.1uF
C15
0.1uF
R12
0.008
2010
R12
0.008
2010
C7
4.7uF
100V
1210
C7
4.7uF
100V
1210
R13
0.008
2010
R13
0.008
2010
J1J1
E6E6
R39
OPT
R39
OPT
C13
0.1uF
C13
0.1uF
C30
OPT
1210
C30
OPT
1210
E15E15
D4
ES1B
D4
ES1B
1
2
R45
OPT
0603
R45
OPT
0603
R30
0
R30
0
D3
PDS360
D3
PDS360
12
3
E16E16
E9E9
R4
0.25
2010
R4
0.25
2010
C28
1210
OPT
C28
1210
OPT
E10E10
C19C19
R5
3.9K
R5
3.9K
R21
140K
R21
140K
C32C32
C25C25
R44
OPT
0603
R44
OPT
0603
C3
4.7uF
50V
1210
C3
4.7uF
50V
1210
E14E14
C26
OPT
1210
C26
OPT
1210
C11
6.8nF
C11
6.8nF
E28E28
R7
3.9K
R7
3.9K
R42
OPT
0603
R42
OPT
0603
E21E21
R10
23.2K
R10
23.2K
D2
PDS360
D2
PDS360
1
2
3
R15
1M
R15
1M
D5
ES1B
D5
ES1B
1
2
C1
1uF
50V
0805
C1
1uF
50V
0805
C36
OPT
1210
C36
OPT
1210
R40
OPT
R40
OPT
C33C33
C18
OPT
C18
OPT
C8
0.1uF
C8
0.1uF
R11
0.008
2010
R11
0.008
2010
R17
1M
R17
1M
C16
OPT
C16
OPT
C24
OPT
C24
OPT
R28
0
R28
0
E7E7
D6
ES1B
D6
ES1B
1
2
C4
4.7uF
50V
1210
C4
4.7uF
50V
1210
R22
140K
R22
140K
E4E4
L2
10uH
L2
10uH
C9
10uF
10V
C9
10uF
10V
C2
4.7uF
50V
1210
C2
4.7uF
50V
1210
R41
OPT
0603
R41
OPT
0603
R27
105K
R27
105K
E29E29
C22
OPT
C22
OPT
E11E11
C20C20
C5
4.7uF
100V
1210
C5
4.7uF
100V
1210
R34
OPT
R34
OPT
E12E12
C17
OPT
C17
OPT
E22E22
U1
LT3797EUKG
U1
LT3797EUKG
FLT1
1
FLT2
2
FLT3
3
PWM1
4
PWM2
5
PWM3
6
REF
7
CTRL1
8
CTRL2
9
CTRL3
10
RT
11
SYNC
12
TG1
14
ISN1
15
ISP1
16
FBH1
17
VC1
19
SS1
20
SENSEN1
21
SENSEP1
22
GATE1
23
GATE2
24
SENSEP2
25
SENSEN2
26
SS2
27
VC2
28
FBH2
30
ISP2
31
ISN2
32
TG2
33
TG3
35
ISN3
36
ISP3
37
FBH3
38
VC3
40
SS3
41
SENSEN3
42
SENSEP3
43
GATE3
44
INTVCC
45
INTVCC
46
SW2
47
BOOST
48
SW1
49
VIN
50
EN/UVLO
51
OVLO
52
GND
53
R32
OPT
R32
OPT
C23
OPT
C23
OPT
E23E23
L3
10uH
L3
10uH
E25E25
E13E13
E18E18
R33
OPT
R33
OPT
M3
BSC039N06NS
M3
BSC039N06NS
2
4
7
3
1 6
8
5
L4
47uH
L4
47uH
R6
3.9K
R6
3.9K
R35
OPT
0603
R35
OPT
0603
R14
1M
R14
1M
C10
6.8nF
C10
6.8nF
R18
1M
R18
1M
E5E5
C21C21
R16
1M
R16
1M
M5
BSC039N06NS
M5
BSC039N06NS
2
4
7
3
1 6
8
5
8
dc1784af
DEMO MANUAL DC1784A
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
FAX: (408) 434-0507
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2014
LT 0114 • 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 LT C 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 LTC applica-
tion engineer.
Mailing Address:
Linear Technology
1630 McCarthy Blvd.
Milpitas, CA 95035
Copyright © 2004, Linear Technology Corporation

DC1784A

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
BOARD EVAL FOR LT3797EUKG
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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