DC326C - Schematic

5
4
3
2
1
D
D
VIN
GND
SHDN
OPT
E2
E3
SYNC
E4
BOOST
OPT
C3
2.2uF
100V
1812
3
SOD123
4
6
NC VIN
BOOST
SHDN
15
SYNC
SHDN
SW
2
14
SYNC
NC
5
7
13
C
1
8
U1
LT1766EFE
NC
NC
GND
GND
BIAS
FB
GND GND
9
16
L1
47uH
1
SW
12
R2
15.4k
1%
FB
11
+ C5
100uF
10V
7343
C9
OPT
VOUT
[email protected]
C6
0.47uF, 25V
OPT
0805
C
C8
OPT
E6
GND
R6
OPT
3
C1
220pF
1
Q1
MMBT2222A
OPT
R5
OPT
B
CONTRACT NO.
NOTE: UNLESS OTHERWISE SPECIFIED
APPROVALS
1. ALL RESISTORS ARE IN OHMS, 0603.
ALL CAPACITORS ARE IN MICROFARADS, 0603.
2. ALL OPTIONAL COMPONENTS WILL HAVE NO
COMPONENT OUTLINE ON BOARD EXCEP Q1,
R5, R6, AND C9.
DRAWN:
CHECKED:
APPROVED:
ENGINEER: KEITH S.
DESIGNER:
TECHNOLOGY
KIM T.
3
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
TITLE: SCHEMATIC
A
1.5A, 200kHz HIGH VOLTAGE BUCK CONVERTER
SIZE
DWG NO.
A
DATE:
4
SUMIDA
CDRH104R-470
R3
4.99k
1%
2
C2
0.022uF
5
E5
VC
R1
3.3k
A
R4
OPT
VOUT
2
D1
10MQ060N
SMA
10
VC
B
OPT
C4
0.33uF
16V
1
+ C7
D4
CMHZ5236B
2
1
D2
1N4148W
1
2
2
E1
VIN
6V -60V
D3
1N4148W
2
1
DC326C-1 * LT1766EFE
Thursday, April 24, 2003
2
REV
SHEET 1
1
C
OF
1
Similar pages