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DC1516A-B

P1-P3P4-P6P7-P8
7
dc1516af
DEMO MANUAL DC1516A
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
1. ALL RESISTORS ARE IN OHMS, 0603.
ALL CAPACITORS ARE IN MICROFARADS, 0603.
NOTES: UNLESS OTHERWISE SPECIFIED
2. INSTALL SHUNTS ON JUMPERS AS SHOWN.
1.5V / 15A
-B (RSENSE) 1000pF
ASSY
LOAD STEP
VOUT
SMA
RS1
CCM
R6,R8
OPT
DCR SENSE FILTER / DIVIDER
MODE
R3
0.1uF 4.02k 0
LOAD STEP CIRCUIT
5% DUTY MAX
RUN
FSW = 300kHz
C2 R9,R17
DCM
4.5V - 24V
-A (DCR SENSE)
10mV / A
ON
OFF
0
OPT
OPT
10
ONLY APPLY LOAD
FROM J3 TO J4
0.0025
13.3k
OPT
R7
OPT
0
R16
0.68uH
L1
0.56uH
*
S+
EXTVCC
VOUT
EXTVCC
VOUT
INTVCC
S+
S-
S-
INTVCC
VIN
INTVCC
VIN
VOUT
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
N/A
LTC3833EFE
Tuesday, June 07, 2011
11
WIDE INPUT RANGE, HIGH EFFICIENCY STEP-DOWN DC-DC CONVERTER
KT
MIKE S.
2
DEMO CIRCUIT 1516A
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
N/A
LTC3833EFE
Tuesday, June 07, 2011
11
WIDE INPUT RANGE, HIGH EFFICIENCY STEP-DOWN DC-DC CONVERTER
KT
MIKE S.
2
DEMO CIRCUIT 1516A
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
N/A
LTC3833EFE
Tuesday, June 07, 2011
11
WIDE INPUT RANGE, HIGH EFFICIENCY STEP-DOWN DC-DC CONVERTER
KT
MIKE S.
2
DEMO CIRCUIT 1516A
REVISION HISTORY
DESCRIPTION DATEAPPROVEDECO REV
MIKE S.
PRODUCTION
__
2 06-07-11
REVISION HISTORY
DESCRIPTION DATEAPPROVEDECO REV
MIKE S.
PRODUCTION
__
2 06-07-11
REVISION HISTORY
DESCRIPTION DATEAPPROVEDECO REV
MIKE S.
PRODUCTION
__
2 06-07-11
R9
*
R9
*
R3
*
R3
*
C10
1uF
C10
1uF
E9
EXTVCC
E9
EXTVCC
C6 68pFC6 68pF
J6J6
R12
0
R12
0
Q3
OPT
Q3
OPT
2
4
5
3
1
C1
0.1uF
25V
C1
0.1uF
25V
J2
GND
J2
GND
Q1
RJK0305DPB
Q1
RJK0305DPB
2
4
5
3
1
C4
OPT
C4
OPT
R1
100K
R1
100K
R25
OPT
R25
OPT
D1
CMDSH-3
D1
CMDSH-3
12
COUT2
100uF
6.3V
1206
COUT2
100uF
6.3V
1206
Q4
OPT
Q4
OPT
2
4
5
3
1
R14
OPT
R14
OPT
R2 0R2 0
Q2
RJK0330DPB
Q2
RJK0330DPB
2
4
5
3
1
E7
PULSE
GEN
E7
PULSE
GEN
R8
*
R8
*
+
CIN5
47uF
35V
SANYO
35SVPD47M
+
CIN5
47uF
35V
SANYO
35SVPD47M
E1
VO_SNS+
E1
VO_SNS+
E8
GND
E8
GND
C9
470pF
C9
470pF
J1
VIN
J1
VIN
E2
VO_SNS-
E2
VO_SNS-
R15
33.2k
R15
33.2k
E6
TRK/SS
E6
TRK/SS
E5
VIN-
E5
VIN-
+
COUT3
330uF
7343
2.5V
+
COUT3
330uF
7343
2.5V
R17
*
R17
*
RS1
*
2512
RS1
*
2512
JP2JP2
1
3
2
R21
OPT
R21
OPT
C11
OPT
C11
OPT
C3
0805
OPT
C3
0805
OPT
C7
0.01uF
C7
0.01uF
JP1JP1
1
3
2
R13
2.2
R13
2.2
U1
LTC3833EFE
U1
LTC3833EFE
PGOOD
1
SNS+
2
SNS-
3
VOUT
4
VOSNS+
6
TRK/SS
7
RUN
11
EXTVCC
12
MODE/PLLIN
13
INTVCC
15
ITH
8
VRNG
9
RT
10
VIN
14
PGND
16
BG
17
SW
18
TG
19
BOOST
20
SGND
21
VOSNS-
5
E4
PGOOD
E4
PGOOD
R5
10
R5
10
Q5
SUD50N03-12P
Q5
SUD50N03-12P
3
1
2
+
CIN4
47uF
35V
SANYO
35SVPD47M
+
CIN4
47uF
35V
SANYO
35SVPD47M
R10
15K
R10
15K
R11
10K
R11
10K
R23
10k
R23
10k
L1
*
L1
*
CIN2
10uF
25V
1210
CIN2
10uF
25V
1210
CIN1
10uF
25V
1210
CIN1
10uF
25V
1210
E3
VIN+
E3
VIN+
C8
0.1uF
25V
C8
0.1uF
25V
E10
PLLIN
E10
PLLIN
COUT6
1206
OPT
COUT6
1206
OPT
D2
OPT
D2
OPT
12
COUT1
100uF
6.3V
1206
COUT1
100uF
6.3V
1206
+
COUT4
330uF
7343
2.5V
+
COUT4
330uF
7343
2.5V
J3
VOUT
J3
VOUT
R6
*
R6
*
R22
0.01
2010
R22
0.01
2010
R24
0
R24
0
C2
*
C2
*
C5
4.7uF
16V
0805
C5
4.7uF
16V
0805
CIN3
1210
OPT
CIN3
1210
OPT
R7
*
R7
*
COUT5
1206
OPT
COUT5
1206
OPT
J4
GND
J4
GND
R20
10K
R20
10K
R19
OPT
R19
OPT
R18
137K
R18
137K
J5J5
R4
10
R4
10
R16
*
R16
*
8
dc1516af
DEMO MANUAL DC1516A
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 0711 • 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
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DC1516A-B

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Buy DC1516A-B
Manufacturer:
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Description:
Power Management IC Development Tools LTC3833EFE Demo Board ? ? VIN = 4.5V to
Lifecycle:
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