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DC397A_15

Description
SCHEMATIC, LT1930A/31A, 2.2MHz, SOT-23 DC/DC CONVERTER PCB
File Size27KB,1 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
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DC397A_15 Overview

SCHEMATIC, LT1930A/31A, 2.2MHz, SOT-23 DC/DC CONVERTER PCB

B
A
LTC CONFIDENTIAL - For Customer Use Only
VIN
5V
E1
1
1
ON
JP1
OFF
SHDN
E3
1
3
4
L1
2.2uH
LPO1704-222M
D1
ZHCS400
VOUT
12V 250mA
1
E2
C5
1uF
16V
ECO
REV
1
2
REVISION HISTORY
DESCRIPTION
INITIATED
MFR SPECS CONFIG DIAGRAM ERROR : CORRECT INDUCTOR PIN-OUT.
DATE
02/13/01
3/26/01
6/6/01
01/17/02
01/30/02
APPROVED
2
VIN
SW
C1
1uF
16V
C2
2.2uF
16V
U1
R1
115K
3
R2
13.3K
C3
10pF
C4
2.2uF
16V
5
1
3
4
5
ADD R7; CHG L1, L2, L3.
CORR L2,L3 MFR#: WAS 92Y-153/5. R MV C5;CHG C4,D2,3; C6 TO C5
DEMO BOARD RELEASE
SHDN
GND
FB
GND
2
E4
1
2
LT1930A
2
BOOST
VIN
10-16V
1
E5
ON
JP2
OFF
3
1
L2A
3.3uH
CMD5D13-4371-T004
2
1
C
7
1uF
25V
D
2
UPS140
VOUT
12V 250mA
1
E6
2
C8
1uF
16V
C9
2.2uF
16V
U
2
R3
115K
C10
OPT.
E7
1
4
SHDN
GND
FB
3
R4
13.3K
L2B
3.3uH
3
GND
E8
VIN
12V
E9
1
1
L3A
3.3uH
CMD5D13-4371-T004
2
1
C13
1uF
25V
4
L3B
3.3uH
1
VOUT
-12V 250mA
1
E10
SEPIC
3
SHDN
E11
1
3
4
VIN
SW
ON
JP3
OFF
5
2
C14
1uF
16V
C15
2.2uF
16V
U3
1
R5
105K
3
R6
13.3K
C16
OPT.
C17
2.2uF
16V
C18
2.2uF
16V
C19
1uF
16V
SHDN
GND
NFB
D3
UPS140
GND
1
E12
1
2
LT1931A
2
LT1930A
4
SHDN
R7
118K
VIN
SW
C11
2.2uF
16V
C12
1uF
16V
5
1
1
INVERTER
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
CONTRACT NO.
APPROVALS
DRAWN L.SANTOS
CHECKED
APPROVED
ENGINEER
DESIGNER
DATE
02/07/01
TECHNOLOGY
TITLE
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
SCHEMATIC, LT1930A/31A, 2.2MHz, SOT-23 DC/DC CONVERTER PCB
SIZE CAGE CODE
DWG NO
REV
A
DO NOT SCALE DRAWING
B
DC397A
FILENAME: 397A_r5.DSN
A
5
1
OF
1
Wednesday, January 30, 2002
SCALE: NONE
SHEET

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