Read Panasonic CF-18 Service Manual online
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A
B
C
D
E
F
G
H
I
J
Main 30 VCCP VMCH
DCIN&BATT
DCIN&BATT
DCIN&BATT
VCMCH
VCCP
R323
10K
2V
C419
100u
100u
SP-CAP
D
EEFCD0D101R
+
2V
C443
100u
100u
SP-CAP
D
EEFCD0D101R
+
MCH_OK
029:A4;032:B8;032:E8
FDS6912A
Q47
Fairchild
SOP8
Nch-MOSFET
1 S1
2 G1
3 S2
4 G2
8
D1
7
D1
6
D2
5
D2
FDS6912A
Q44
Fairchild
SOP8
Nch-MOSFET
1
S1
2
G1
3
S2
4
G2
8 D1
7 D1
6 D2
5 D2
VC3
R321
33m
2125
5%
1/4W
VRON#
029:B10;030:H3
C431
1000p
C439
1000p
INTVCC1
INTVCC1
C429
NU
C441
NU
50V
C430
0.1u
0.1u
1608
R332
10
50V
C427
0.1u
0.1u
1608
50V
C437
0.1u
0.1u
1608
VC5
R333
15K
15K
R334
10K
10K
R335
NU
R336
0
R344
10
R343
10
R325
10
R331
10
C420
10u
25V
B
3225
C442
10u
25V
B
3225
C432
22p
1005
R339
10K
1005
C433
220p
1005
C434
220p
1005
R340
10K
1005
C436
22p
1005
IC46
LTC3728LXCUH
32QFN(0.75mmH)
LINEAR TECH.
2
PLLFLTR
3
PLLIN
4
FCB
5
ITH1
6
SGND
7
3.3VOUT
8
ITH2
9
VOSENSE2
10
NC
11
SENSE2-
12
SENSE2+
13
RUN/SS2
14
TG2
15
SW2
16
NC
17
BOOST2
18
BG2
19
PGND
20
INTVCC
21
EXTVCC
22
BG1
23
VIN
24
BOOST1
25
SW1
26
TG1
27
PGOOD
28
RUN/SS1
29
NC
30
SENSE1+
31
SENSE1-
32
NC
1
VOSENSE1
B1000AS-4R7M=P3
L24
8.1x8.0x5.0
1
2
C435
10u
10u
2125
C422
NU
1005
B1000AS-4R7M=P3
L25
8.1x8.0x5.0
1
2
R345
33m
2125
5%
1/4W
VRON#
029:B10;030:D3
2SK3019TL
Q94
2
3
1
2SK3019TL
Q93
2
3
1
R337
4.7K
1%
1005
R338
15K
1%
1005
R341
10K
1%
1005
R342
20K
1%
1005
R346
47m
2012
5%
1/4W
R322
47m
2012
5%
1/4W
RB717FT106
D18
A
2
A
1
C
3
EP10QY03-TE8L3
D19
2
1
EP10QY03-TE8L3
D16
2
1
R546
NU
R547
NU
C440
0.01u
B
1608
C428
0.01u
B
1608
VCCP/VCMCH
Imax=50mV/Rsense
=2.579A
=2.579A
Iocp=62mV/Rsense
=3.198A
=3.198A
Iocp=62mV/Rsense
=3.198A
=3.198A
Imax=50mV/Rsense
=2.579A
=2.579A
Vref=0.788
㨪0.812V
RH=4.653
㨪4.747Kohm
RL=14.85
㨪15.15Kohm
Vout=Vref*(1+RH/RL)
Vout=1.0300
Vout=1.0300
㨪1.0716V
(SPEC Vout=0.924
㨪1.176V)
IF LoadSlope(max)=20.36mohm x 2.5A
THEN Vout(min)=0.9791V
THEN Vout(min)=0.9791V
Vref=0.788
㨪0.812V
RH=9.9
㨪10.1Kohm
RL=19.8
㨪20.2Kohm
Vout=Vref*(1+RH/RL)
Vout=1.1741
Vout=1.1741
㨪1.2262V
(SPEC Vout=1.056
㨪1.344V)
IF LoadSlope(max)=20.36mohm x 1.8A
THEN Vout(min)=1.1374V
THEN Vout(min)=1.1374V
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