DC294A - Schematic

A
B
C
D
C4
1uF
4
ALL CAPS ARE 25V.
2.
5
NTC
STATUS
VC
VCC
GND4
BAT
NC2
VC
LTC1729-4.2CMS8
GND
SENSE
BAT
OVP
U2
VCC1
VCC2
GND5
PROG
LT1510-5CGN
GND3
SENSE
NC1
OVP
GND2
BOOST
SW
GND1
ALL RES. VALUES ARE IN OHMS, 1/8W, 5%.
4
3
2
1
8
7
6
5
4
3
2
1
U1
1.
NOTES:
R5
200
D3
MMBD914L
C1
0.22uF
D1
MBRM120T3
POWERMITE
4
UNLESS OTHERWISE SPECIFIED
L1
10uH
CDRH5D28-100
5
5
6
7
8
9
10
11
12
13
14
15
16
3
R6
10K
2
3
COUT
+ 22uF
12.5V
3
4
JP1
1
2
R3
4.87K
1%
J1
VIN
1
1
1
1
VBAT
GND
J5
J4
NTC
GND
4.2V
J3
J2
8.2V to 20V
1
1
DC294A
Document Number
2
Date: Tuesday, January 28, 2003
Size
Title
1630 McCARTHY BLVD.
MILPITAS, CA 95035
(408) 432-1900
(408) 434-0507 FAX
Sheet
1
1
LTC1729-4.2CMS8
LINEAR TECHNOLOGY CORPORATION
D4
RED
1
R4
1.40K
1%
R2
300
R1
1K
C5
0.1uF
C3
1uF
C2
0.1uF
CIN
+ 10uF
MARCON
25V
D2
MBRM120T3
POWERMITE
2
of
1
Rev
A
B
C
D
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