Fujitsu MB3887 Datasheet page 28

Dc/dc converter ic for charging li-ion battery
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MB3887
Switching waveform constant voltage mode
Ta
25
V
(mV)
BATT
VIN 19 V
100
BATT 1.5 A
0
100
V
(V)
D
15
10
5
0
0
1
Switching waveform constant voltage mode
Ta
25
V
mV)
BATT (
VIN 19 V
100
BATT 1.5 A
0
100
V
(V)
D
15
10
5
0
0
1
28
(set at 12.6 V)
C
98 mVp-p
V
BATT
V
D
2
3
4
5
6
7
8
9
(set at 16.8 V)
C
58 mVp-p
V
BATT
V
D
2
3
4
5
6
7
8
9
Switching waveform constant current mode
(set at 12.6 V, with 10 V)
Ta
25
V
(mV)
BATT
VIN 19 V
100
BATT 3.0 A
0
100
V
(V)
D
15
10
5
0
10
0
1
( s)
Switching waveform constant current mode
(set at 16.8 V, with 10 V)
Ta
25
C
V
(mV)
BATT
VIN 19 V
BATT 3.0 A
100
0
100
V
(V)
D
15
10
5
0
10
0
1
2
( s)
C
98 mVp-p
V
BATT
V
D
2
3
4
5
6
7
8
9
96 mVp-p
V
BATT
V
D
3
4
5
6
7
8
9
( s)
(Continued)
10
( s)
10

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