DC1092A - Schematic

5
3
2
This circuit is proprietary to Linear Technology and supplied
for use with Linear Technology parts.
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 circuit board layout may significantly
affect circuit performance or reliability. Contact Linear
Applications Engineering for assistance.
ECO
3
OPT
2
C3
2.2uF
50V
VIN
BOOST
SHDN
7
5
SHDN
SW
GND
GND
4
TP2
D3
C
BOOST
1
D2
SDM10K45
C1
0.1uF
L1
3
VOUT
22uH
CDRH4D28-220NC
FB
VIN
R1
100k
APPROVED
SDM10K45
OPT
U1
LT1933HDCB
C
C4
33uF
DATE
09/20/06
Q1
MMBT2222A
2
D4
CMHZ5231B
OPT
+
DESCRIPTION
PROTO
D
1
VIN
4.5V-36V
REV
2
R4
OPT
TP1
1
REVISION HISTORY
TP3
VOUT
[email protected]
C2
22uF
6.3V
D1
MBRM140T3
6
D
4
R2 16.5k 1%
B
B
R3
10.0k
1%
TP5
GND
TP4
GND
CONTRACT NO.
APPROVALS
DATE
DRAWN MI
03/31/06
CHECKED
TECHNOLOGY
TITLE
SCH, LT1933HDCB, 36V 500kHz H-GRADE DFN STEP-DOWN
REGULATOR
APPROVED
A
ENGINEER
A
SIZE CAGE CODE
DESIGNER
DWG NO
Monday, October 02, 2006
4
3
SCALE: NONE
REV
2
DC1092A
A
5
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
FILENAME: 1092A-2.DSN
2
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