DC414B - Schematic

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REVISION HISTORY
ECO
REV
DESCRIPTION
APPROVED
DATE
_
1
REBUILD WITH CHANGE
GORAN P.
2-18-15
A
A
E1
VIN
R4
124K
R3
100K
R5
Opt.
CIN1 22uF
CIN2 6.3V
CIN3 CER
L1
ETQP6F1R2H
+ CIN4
220uF
6.3V
E2
1
U1
E5
3
RC
22.1K
1%
1
CC2
6800pF
R6
0
VIN
VOUT
8
INTVCC
FREQ
5
JP1
Cont.
MODE/SYNC
7
GATE
COUT5
COUT6 22uF
COUT7 6.3V
COUT8 CER
4
COUT1
+ COUT2 220uF
COUT3 6.3V
COUT4
COUT9
22uF
6.3V
CER
Q1
FDMS7672
CVCC
+ 4.7uF
X5R
10V
LTC1871EMS10
5.0V @ 7A
B
(10A PEAK)
E4
6
GND
2
Burst
E3
9
3
RT
80.6K
1%
ITH
FB
10
SENSE
1
2
3
4
RUN
5
6
7
8
2
CC1
47pF
GND
3
1
RUN
B
D1
MBRB2515L
4
3.3V
GND
R1
38.3K
1%
R2
12.4K
1%
E6
MODE/SYNC
C
C
CUSTOMER NOTICE
D
NOTES: UNLESS OTHERWISE SPECIFIED
APPROVALS
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
TECHNOLOGY
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES.
LT
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APP ENG. GORAN P. TITLE: SCHEMATIC
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
HIGH EFFICIENCY BOOST
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
SIZE
1. ALL RESISTORS AND CAPACITORS ARE 0805.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
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IC NO.
N/A
SCALE = NONE
5
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
D
CONVERTER LOGIC SUPPLY
REV.
LTC1871EMS
1
DEMO CIRCUIT 414B
DATE:
Wednesday, February 18, 2015
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SHEET 1
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OF 1
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