DC895A - Schematic

5
4
3
2
1
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 customers 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.
REVISION HISTORY
ECO
WARNING!
TP1
5
6
TP2
4
1
7
8
GND
FT1
FTA160709
PerkinElmer
2
C2
13uF
330V
Rubycon
3
C1
4.7uF
6.3V
APPROVED
06/27/05
D
D1
GSD2004S
T1 [1]
DATE
PROTO
SHOCK HAZARD
DO NOT REMOVE COVER
VBAT
DESCRIPTION
2
D
1.8V-4.2V CIN
5V MAX
[1]
REV
1
+
C
-
Q1
CY25BAH-8F
Renesas
R3
510K
+
R4
0
R10
510K
R5
OPT
TP7
VOUTMONT
CHARGE
C
VIN
TP6
VIN
2.8V-4.2V
C6
2.2uF
10V
1
CHARGE
2
VBAT
3
VIN
4
SW
5
SW
C3
0.033uF
630V
TDK
1
2
U1
[1]
VIN
10
VMONT
DONE
9
IGBTPWR
8
IGBTIN
7
IGBTOUT
6
R1
OPT
3
1
C8
OPT
T2
BO-02
Tokyo Coil Engrng.
C
2
C7
2.2uF
10V
DONE
GND
11
TRIGGER
JP1
R11
1M
B
1K
R9
1K
MCLR
VIN
5
6
OPEN
READY
GRN
1
3
2
4
B
U2
PIC16F630-I/ST
C4
0.1uF
VIN
REDEYE
R8
CLK
4
VIN
R6
10K
FLASH
D4
2
3
VIN
S1
VIN
1
C5
0.1uF
D5
BAT54W
S2
GND
DAT
1
VDD
VSS
14
2
RA5
RA0/ICSPDAT
13
3
RA4
RA1/ICSPCLK
12
4
RA3/MCLR
RA2/INT
11
5
RC5
RC0
10
6
RC4
RC1
9
7
RC3
RC2
8
TP3
DONE
S3
R7
100K
TP4
CHARGE TP5
TRIGGER
ON/OFF
R12
0
R13
R14
0
DONE
CHARGE
TRIGGER
0
RED
CHARGE
CONTRACT NO.
A
[1]
VERSION
U1
T1
(TDK)
CIN
APPROVALS
-A
LT3485EDD-0
LDT565630T-001
CAP, 0805 10uF 20% 6.3V X5R
DRAWN MEI
-B
LT3485EDD-1
LDT565630T-002
CAP, 0805 4.7uF 10% 6.3V X5R
APPROVED
-C
LT3485EDD-2
LDT565630T-003
CAP, 0805 10uF 20% 6.3V X5R
DATE
04/12/05
CHECKED
TECHNOLOGY
TITLE
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
A
SCH, LT3485EDD-0/1/2/3, PHOTOFLASH CHARGER
ENGINEER
-D
LT3485EDD-3
5
LDT565630T-041
CAGE CODE
Custom
CAP, 0805 22uF 20% 6.3V X5R
4
SIZE
DESIGNER
Friday, July 15, 2005
3
2
SCALE:
DWG NO
REV
2
DC895A
FILENAME: 895A-2.DSN
SHEET
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OF
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