DC1323A - Schematic

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REVISION HISTORY
ECO
REV
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DESCRIPTION
APPROVED
DATE
T. ZHOU
10-06-09
PRODUCTION
D
D
U1
LT3686EDD
VIN
BD
10uF
63V
SANYO
63CE10BS
E3
C3
2.2uF
50V
1206
R2
100K
JP1
ON
OFF
GND
6
1
2
3
4
R4
38.3K
C
7
C4
0.01uF
5
E5
VIN
BOOST
EN/UVLO
SS
SW
10
C1
0.22uF L1
16V
6.8uH
MODE
RT
DA
MODE
R1
10K
8
1
1
+C2
2
GND
R7
61.9K
(1MHz)
FB
9
VOUT
E2
VISHAY
IHLP-2020BZ
D2
MBRM140T1G
C5
22pF
R3
31.6K
2
E1
VIN
5V - 37V
55V TRANSIENT
C6
22uF
10V
1206
3
VOUT
3.3V/1.2A
C
E4
GND
R6
10K
11
B
B
NOTE: UNLESS OTHERWISE SPECIFIED
A
1. ALL RESISTORS ARE IN OHMS, 0402.
ALL CAPACITORS ARE IN MICROFARADS, 0402.
CUSTOMER NOTICE
CONTRACT NO.
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A APPROVALS
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES. K. TRAN
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
T. ZHOU
ENG.
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.
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TECHNOLOGY
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
TITLE: SCHEMATIC
SIZE
A
DATE:
A
37V, 1.2A BUCK REGULATOR
IC NO.
LT3686EDD
DEMO CIRCUIT 1323A
Tuesday, October 06, 2009
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