MB3888 Fuji Electric, MB3888 Datasheet - Page 27
MB3888
Manufacturer Part Number
MB3888
Description
DC/DC Converter IC for Charging Li-ion Battery
Manufacturer
Fuji Electric
Datasheet
1.MB3888.pdf
(30 pages)
- Current page: 27 of 30
- Download datasheet (422Kb)
(Continued)
V
V
V
V
BATT
BATT
Soft-start operating waveform constant voltage
V
V
Soft-start operating waveform constant current
CTL
CTL
20
10
20
10
CS
CS
0
4
2
0
5
0
0
4
2
0
5
0
(V)
(V)
(V)
(V)
(V)
(V)
0
0
Ta
VIN 19 V
BATT 4
Ta
VIN 19 V
BATT 12
I
I
IN
IN
2
2
25
25
mode (set at 16.8 V)
mode (set at 16.8 V)
4
4
C
C
6
6
8
8
ts 9.6 ms
ts 9.6 ms
10 12 14 16 18 20
10 12 14 16 18 20
V
V
CTL
CTL
V
V
V
BATT
BATT
V
CS
CS
(ms)
(ms)
I
I
IN
IN
(A)
(A)
2
1
0
2
1
0
V
V
Discharge operating waveform constant voltage
V
V
BATT
Discharge operating waveform constant current
BATT
V
V
CTL
20
10
20
10
CTL
CS
CS
0
4
2
0
5
0
0
4
2
0
5
0
(V)
(V)
(V)
(V)
(V)
(V)
0
0
I
IN
V
2
2
I
V
IN
CTL
CTL
mode (set at 16.8 V)
mode (set at 16.8 V)
4
4
6
6
8
8
10 12 14 16 18 20
10 12 14 16 18 20
Ta
VIN 19 V
BATT 12
Ta
VIN 19 V
BATT 4
MB3888
V
V
V
V
BATT
BATT
25
CS
25
CS
C
C
(ms)
(ms)
I
I
IN
IN
(A)
(A)
2
1
0
2
1
0
27
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