DC544A - Schematic

5
4
3
2
1
D1
U1
LT1934ES6 1
Vin
4.5V to 34V
1N4148WS
C1
0.22uF
BOOST
5
D
1
E1
RUN
2
4
SHDN
C3
2.2uF
6
SHDN
FB
3
L1
47uH
E2
D
R1
C2
634K 10pF
+ C5
68uF
6.3V
POSCAP
GND
2
D2
B0540W
R2
383K
R3
464K
1
C4
10uF
SW
R4
511K
3
+
JP1
VIN
Vout
[email protected]
[email protected]
5V
3.3V
JP2
2
GND
3
GND
C
E4
E3
C
D3
U2
LT1934ES6-1 1
Vin
4.5V to 34V
BOOST
5
RUN
B
2
4
SHDN
C8
10uF
C9
1.0uF
SW
6
FB
3
R7
511K
SHDN
150uH
E6
R9
C7
634K 10pF
+ C10
68uF
6.3V
POSCAP
GND
3
+
JP3
VIN
Vout
[email protected]
[email protected]
2
D4
B0540W
R11
383K
R10
464K
B
1
1
E5
1N4148WS
C11
0.22uF
L2
JP4
5V
3.3V
2
GND
3
GND
E7
E8
CONTRACT NO.
APPROVALS
A
DRAWN
DATE
June Wu
6/10/02
Dave Kim
6/10/02
CHECKED
TECHNOLOGY
TITLE
A
LT1934ES6/LT1934ES6-1
Micropower Step-Down Switching Regulators in ThinSOT
APPROVED
ENGINEER
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
DESIGNER
SIZE CAGE CODE
DWG NO
REV
A
DEMO CIRCUIT 544A
Thursday, December 12, 2002
5
4
3
SCALE:
2
FILENAME:
SHEET
1
1
OF
1
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