DC1519A - Schematic

C
D
E
On
B
Off
A
JP1
Run
4
1
2
3
4
E2
VOUT
R5
100k
R1
536k
1%
R7
10
U1
LT3695EMSE
13
PG
RUN/SS
5
11
FB
VIN
8
DA
2
R2
102k
1%
exposed pad,
solder side
3
VIN
R6
200k
C6
0.1uF
50V
C1
2.2uF
50V
D1
MBRM140T3
BOOST
16
BD
15
GND
1
17
2
SYNC
NC
NC
C5
470pF
50V
NC
14
C4
0.22uF
C2
10uF
10V
16V
7
C7
220pF
50V
Sync
E4
GND
Transient to 60V
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
Supplied For Use With Linear Technology Parts.
C
E3
VOUT
5V
1A, VIN > 12V
0.9A, VIN > 6.9V
E5
GND
E6
SYNC
2
1
2
3
4
Customer Notice
B
C3
0.47uF
10V
JP2
Mode
Burst Mode
A
VIN
6.9V - 36V
VOUT
10uH
Fixed Freq
1
E1
1
4
10
12
R4
40.2k
1%
RT
3
R3
16.2k
1%
SW
PGND
PGND
6
VC
CIN
10uF
63V
3
L1
9
+
2
PGOOD
LINEAR TECHNOLOGY CORPORATION
1630 McCARTHY BLVD.
MILPITAS, CA. 95035
PHONE (408) 432-1900 FAX (408) 434-0507
Title
1A
1
Power Step-Down Switching Regulator
Size
A
Document Number
Date:
Monday, January 12, 2009
Rev
A
Demo Circuit 1519A, LT3695EMSE
D
Sheet
1
E
of
1
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