DC1188A - Schematic

5
4
3
2
1
D
D
L1
7.7UH
SUMIDA
CDR6D28MN-7R7
C1
0.47UF
VIN
C
4.5V-34V
E1
C4
22UF,50V
SANYO
50CV22BS
C5
10UF,35V
1206
BD
RT
2
BOOST
VC
3
SW
FB
8
4
VIN
BIAS
7
5
RUN/SS
PGOOD
GND
GND
10
E3
R2
102K
R1
60.4K
9
R3
165K
6
R5
19.1K
11
+
1
GND
D1
DFLS240L
2
1
U1
LT3684EMSE
C6
22UF,10V
1206
R4
100K
C7
1UF
10V
0603
E4
C8
330PF
E7
E2
E5
VOUT
3.3V@2A
C
GND
PGOOD
VIN
1
RUN
2
SHDN
3
EXTSS
R6
100K
4
C9
0.1UF,50V
0603
JP1
B
B
EXTSS
E8
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
CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
A
CONTRACT NO.
APPROVALS
TITLE:
CHECKED:
APPROVED:
ENGINEER: KEVIN H.
DESIGNER:
4
3
SIZE
DATE:
2
LT3684EMSE
2A, 34V Step-Down Switching Regulator
A
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
TECHNOLOGY
DRAWN: Antonina K
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
DWG NO.
REV
DC1188A
A
Wednesday, December 06, 2006
SHEET
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A