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DC1497A

P1-P3P4-P6
4
dc1497af
DEMO MANUAL DC1497A
pArts list
ITEM QTY REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER
Required Circuit Components
1 3 C1, C2, C3 Capacitor, X7R, 4.7µF, 50V, 10%,1206 Murata, GRM31CR71H475KA12L
2 3 C4, C5, C6 Capacitor, X7R, 0.22µF, 25V, 10%, 0603 Murata, GRM188R71E224KA88L
3 2 C7, C10 Capacitor, X7R, 2.2µF, 100V, 10%, 1210 Murata, GRM32ER72A225KA35L
4 1 C8 Capacitor, X5R, 4.7µF, 25V, 10%, 0805 Taiyo Yuden, TMK212BJ475KG-T
5 3 D1, D2, D3 Diode, Schottky, Power DI-123 Diodes/Zetex, DFLS160-7
6 3 L1, L2, L3 Inductor, 100µH Sumida, CDR6D28MNNP-101NC
7 3 R1, R2, R3 Resistor, Chip, 93.1k, 1/16W, 1%, 0402 Vishay, CRCW040293K1FKED
8 3 R4, R5, R6 Resistor, Chip, 3.01kΩ, 1/16W, 1%, 0402 Vishay, CRCW04023K01FKED
9 1 R16 Resistor, Chip, 82.5kΩ, 1/16W, 1%, 0402 Vishay, CRCW040282K5FKED
10 1 R19 Resistor, Chip, 49.9kΩ, 1/16W, 1%, 0402 Vishay, CRCW040249K9FKED
11 1 R20 Resistor, Chip,10kΩ, 1/16W, 1%, 0402 Vishay, CRCW040210K0FKED
12 1 R22 Resistor, Chip, 33.2kΩ, 1/16W,1%, 0402 Vishay, CRCW040233K2FKED
13 3 R23, R24, R25 Resistor, Chip, 20kΩ, 1/16W, 1%, 0402 Vishay, CRCW040220K0FKED
14 1 U1 I.C. LT3597EUHG, 52-Pin QFN-5mm × 8mm Linear Technology, LT3597EUHG
Additional Demo Board Circuit Components
1 1 C9 Capacitor, Aluminum 4.7µF, 63V Sun Electric, 63CE4R7BS
2 0 D4 Diode, OPT, SOD-323
3 1 R7 Resistor, Chip, 270kΩ, 1/16W, 1%, 0603 Vishay, CRCW0603270KFKEA
4 1 R9 Resistor, Chip, 91kΩ, 1/16W, 1%, 0402 Vishay, CRCW040291K0FKED
5 7 R10-R14, R17, R18 Resistor, Chip, 100kΩ,1/16W,1%, 0402 Vishay, CRCW0402100KFKED
6 1 R15 Resistor, Chip, 8.87kΩ,1/16W, 1%, 0402 Vishay, CRCW04028K87FKED
7 1 R21 Thermistor, Chip, 100k,1%, 0603 Murata, NCP18WF104F12RB
Hardware – For Demo Board Only
1 8 E1-E5, E12-E14 Turret, Testpoint, 091" Mill Max 2501-2-00-80-00-00-07-0
2 10 E6-E11, E15-E18 Turret, Testpoint, 063" Mill Max 2308-2-00-80-00-00-07-0
3 1 JP1 Jumper, 3-Pin 1 Row .079CC Samtec, TMM-103-02-L-S
4 1 SHUNT FOR PJ1 Shunt, .079" Center Samtec, 2SN-BK-G
5 4 Stand-Off, Nylon 0.5" Tall Keystone, 8833 (Snap On)
5
dc1497af
DEMO MANUAL DC1497A
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
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
NOTE: UNLESS OTHERWISE SPECIFIED
1. ALL RESISTORS ARE 0402
6V - 55V
LED3+
VREF
LED2+
LED1+
VREF
VREF
VIN
SIZE
DATE:
IC NO. REV.
SHEET OF
TITLE:
APPROVALS
PCB DES.
APP ENG.
TECHNOLOGY
Fax: (408)434-0507
Milpitas, CA 95035
Phone: (408)432-1900
1630 McCarthy Blvd.
LTC Confidential-For Customer Use Only
CUSTOMER NOTICE
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
SCHEMATIC
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
www.linear.com
LT3597EUHG
2
TRIPLE STEP-DOWN LED DRIVER
11
Wednesday, February 02, 2011
DEMO CIRCUIT 1497A
AK
WALKER B.
SIZE
DATE:
IC NO. REV.
SHEET OF
TITLE:
APPROVALS
PCB DES.
APP ENG.
TECHNOLOGY
Fax: (408)434-0507
Milpitas, CA 95035
Phone: (408)432-1900
1630 McCarthy Blvd.
LTC Confidential-For Customer Use Only
CUSTOMER NOTICE
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
SCHEMATIC
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
www.linear.com
LT3597EUHG
2
TRIPLE STEP-DOWN LED DRIVER
11
Wednesday, February 02, 2011
DEMO CIRCUIT 1497A
AK
WALKER B.
SIZE
DATE:
IC NO. REV.
SHEET OF
TITLE:
APPROVALS
PCB DES.
APP ENG.
TECHNOLOGY
Fax: (408)434-0507
Milpitas, CA 95035
Phone: (408)432-1900
1630 McCarthy Blvd.
LTC Confidential-For Customer Use Only
CUSTOMER NOTICE
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
SCHEMATIC
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
www.linear.com
LT3597EUHG
2
TRIPLE STEP-DOWN LED DRIVER
11
Wednesday, February 02, 2011
DEMO CIRCUIT 1497A
AK
WALKER B.
REVISION HISTORY
DESCRIPTION DATEAPPROVEDECO REV
WALKER B.
2ND PROTOTYPE1 01-26-11
__
REVISION HISTORY
DESCRIPTION DATEAPPROVEDECO REV
WALKER B.
2ND PROTOTYPE1 01-26-11
__
REVISION HISTORY
DESCRIPTION DATEAPPROVEDECO REV
WALKER B.
2ND PROTOTYPE1 01-26-11
__
E15
FAULT
E15
FAULT
U1
LT3597EUHG
U1
LT3597EUHG
BST1
2
SW1
4
DA1
6
FB1
7
EN/UVLO
9
TSET
11
VREF
12
CTRLM
13
ISET1
14
ISET2
15
ISET3
16
RT
17
GND
18
VOUT1
19
LED1
20
LED2
21
VOUT2
22
VOUT3
23
LED3
24
FAULT
25
NC
26
SYNC
27
PWM3
28
PWM2
29
PWM1
30
CTRL3
31
CTRL2
32
CTRL1
33
FB2
34
FB3
35
BIAS
37
BST3
39
SW3
41
DA3
43
DA2
44
SW2
46
BST2
48
VIN
50
VIN
51
GND
53
L2
100uH
L2
100uH
D1
DFLS160
D1
DFLS160
2 1
C2 4.7uF
50V 1206
C2 4.7uF
50V 1206
C6
0.22uF
0603
C6
0.22uF
0603
R19
49.9K
R19
49.9K
L3
100uH
L3
100uH
D2
DFLS160
D2
DFLS160
2 1
t
R21
100K
0603
t
R21
100K
0603
E13
LED2-
E13
LED2-
E9
CTRL1
E9
CTRL1
E19
TP
E19
TP
R25
20K
R25
20K
R6
3.01K
R6
3.01K
L1
100uH
L1
100uH
R22
33.2K
R22
33.2K
R5
3.01K
R5
3.01K
R20
10K
R20
10K
E17
BIAS
E17
BIAS
R16
82.5K
R16
82.5K
C1 4.7uF
50V
1206
C1 4.7uF
50V
1206
R17
100K
R17
100K
D3
DFLS160
D3
DFLS160
2 1
E12
LED1-
E12
LED1-
R2
93.1K
R2
93.1K
E3
LED3+
E3
LED3+
R24
20K
R24
20K
E7
PWM2
E7
PWM2
C7
2.2uF
100V
1210
C7
2.2uF
100V
1210
R13
100K
R13
100K
JP1
ON
OFF
EN/UVLO
JP1
ON
OFF
EN/UVLO
1
3
2
E4
VIN
E4
VIN
R4
3.01K
R4
3.01K
E18
SYNC
E18
SYNC
R9
91K
R9
91K
R3
93.1K
R3
93.1K
R7
270K
0603
R7
270K
0603
E8
PWM3
E8
PWM3
E11
CTRL3
E11
CTRL3
C5
0.22uF
0603
C5
0.22uF
0603
D4
OPT
D4
OPT
R11
100K
R11
100K
R18
100K
R18
100K
R23
20K
R23
20K
R12
100K
R12
100K
R15
8.87K
R15
8.87K
E10
CTRL2
E10
CTRL2
E2
LED2+
E2
LED2+
R10
100K
R10
100K
E16
EN/UVLO
E16
EN/UVLO
R1
93.1K
R1
93.1K
E5
GND
E5
GND
E14
LED3-
E14
LED3-
C3 4.7uF
50V
1206
C3 4.7uF
50V
1206
C10
2.2uF
100V
1210
C10
2.2uF
100V
1210
C8
4.7uF
25V
0805
C8
4.7uF
25V
0805
C4
0.22uF
0603
C4
0.22uF
0603
R14
100K
R14
100K
+
C9
4.7uF
63V
+
C9
4.7uF
63V
E6
PWM1
E6
PWM1
E1
LED1+
E1
LED1+
6
dc1497af
DEMO MANUAL DC1497A
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2011
LT 0411 • PRINTED IN USA
DEMONSTRATION BOARD IMPORTANT NOTICE
Linear Technology Corporation (LTC) 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 LTC from all claims
arising from the handling or use of the goods. Due to the open construction of the product, it is the user’s 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. LTC assumes no liability for applications assistance,
customer product design, software performance, or infringement of patents or any other intellectual property rights of any kind.
LTC 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
P1-P3P4-P6

DC1497A

Mfr. #:
Buy DC1497A
Manufacturer:
Analog Devices Inc.
Description:
LED Lighting Development Tools LT3597EUHG Demo Board: 60V Triple Step-D
Lifecycle:
New from this manufacturer.
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