DC476A - Schematic

1
2
REVISION HISTORY
LTC CONFIDENTIAL - For Customer Use Only
ECO
REV
DESCRIPTION
DATE
PROTO
2
APPROVED
03-19-02
>
VIN
D2
D3
1
E1
C9
OPT
6032
C2
2.2uF
C8
0.22uF
X7R
0603
OPT
CMDSH-3
25V
1206
X5R
U1
CMDSH-3
SHDN
11
E5
SYNC
14
Boost
Vsw
Vsw
shdn
FB
Vc
Sync
1
8
9
16
17
GND
GND
GND
GND
GND
E4
Vin
Vin
L1
5V/3.3V @ 2.0A
2.7uH
D63CB
C6
OPT
E2
A
3
4
VOUT
2
+
2
N/C
N/C
N/C
5
6
D1
B230A
SMA
0805
R1
31.6k 1% 0603
12
A
13
3.3V 5V
7
10
15
C3
3300pF
X7R
0603
LT1765EFE
R3
4.7k
5%
0603
1
JP1
3
R4
39.2k 1% 0603
2
[1] 3V to 25V
VOUT
C4
100pF
NPO
0603
C7
GND
C5
22uF
X5R
6.3V
62pF
NPO
0603
R2
10.0k
1%
0603
GND
E3
E6
NOTES: UNLESS OTHERWISE SPECIFIED,
B
[1] 3V IS IC MINIMUM INPUT VOLTAGE.
MINIMUM INPUT VOLTAGE REQUIRED TO
MAINTAIN VOUT MAY BE HIGHER.
SEE QUICKSTART GUIDE FOR DETAILS.
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
TOLERANCE ON ANGLE - - 2 PLACES - - - 3 PLACES - - INTERPRET DIM AND TOL
PER ASME Y14.5M -1994
THIRD ANGLE PROJECTION
B
CONTRACT NO.
APPROVALS
DRAWN MEI
DATE
11-02-01
TECHNOLOGY
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
TITLE
CHECKED
SCH,LT1765EFE WIDE INPUT RANGE STEP-DOWN CONVERTER
APPROVED
ENGINEER
DESIGNER
SIZE
CAGE CODE
DWG NO
DO NOT SCALE DRAWING
1
Tuesday, May 07, 2002
SCALE:NONE
REV
2
DC476A
A
FILENAME: 476A-1.PCB
2
SHEET
1
OF
1
Similar pages