Mb3887 – FUJITSU MB3887 User Manual
Page 29
MB3887
29
(Continued)
20
10
0
4
2
0
5
0
V
CTL
(V)
V
CS
(V)
V
BATT
(V)
0
2
4
6
8
10 12 14 16 18 20
(ms)
Ta
= +
25
°
C,
VIN
=
19 V
BATT
=
12
Ω
V
BATT
V
CTL
ts
=
10.4 ms
V
CS
20
10
0
4
2
0
5
0
V
CTL
(V)
V
CS
(V)
V
BATT
(V)
0
2
4
6
8
10 12 14 16 18 20
(ms)
Ta
= +
25
°
C
VIN
=
19 V
BATT
=
12
Ω
V
BATT
V
CTL
V
CS
20
10
0
4
2
0
5
0
V
CTL
(V)
V
CS
(V)
V
BATT
(V)
0
2
4
6
8
10 12 14 16 18 20
(ms)
V
BATT
ts
=
10.4 ms
V
CS
V
CTL
Ta
= +
25
°
C,
VIN
=
19 V
BATT
=
12
Ω
20
10
0
4
2
0
5
0
V
CTL
(V)
V
CS
(V)
V
BATT
(V)
0
2
4
6
8
10 12 14 16 18 20
(ms)
Ta
= +
25
°
C
VIN
=
19 V
BATT
=
12
Ω
V
BATT
V
CTL
V
CS
Soft-start operating waveform
constant voltage mode
(set at 12.6 V)
Discharge operating waveform
constant voltage mode
(set at 12.6 V)
Soft-start operating waveform
constant voltage mode
(set at 16.8 V)
Discharge operating waveform
constant voltage mode
(set at 16.8 V)