MB3888 Fuji Electric, MB3888 Datasheet - Page 23

• Manufacturer Part Number: MB3888
• Description: DC/DC Converter IC for Charging Li-ion Battery
• Manufacturer: Fuji Electric

REFERENCE DATA
100
100
98
96
94
92
90
88
86
84
82
80
98
96
94
92
90
88
86
84
82
80
10 m
10 m
Conversion efficiency vs. Charge current
Ta
VIN 19 V
BATT charge voltage set at 12.6 V
SW1 SW2 ON
Efficiency
Conversion efficiency vs. Charge current
(V
/ (V
BATT
IN
BATT charge current I
BATT charge current I
25
I
IN
(Constant voltage mode)
C
I
BATT
(Constant voltage mode)
)
(%)
100 m
100 m
)
100
Ta
VIN 19 V
BATT charge voltage
SW1 SW2 ON
Efficiency
(V
set at 16.8 V
/ (V
BATT
BATT
BATT
1
1
IN
25
(A)
(A)
I
IN
C
I
BATT
)
(%)
)
100
10
10
100
100
98
96
94
92
90
88
86
84
82
80
98
96
94
92
90
88
86
84
82
80
0
0
Ta
VIN 19 V
BATT charge voltage set at 12.6 V
SW1 SW2 ON
Efficiency
Conversion efficiency vs. Charge current
Conversion efficiency vs. Charge current
(V
/ (V
BATT
2
IN
2
25
I
4
IN
BATT charge voltage V
BATT charge voltage V
C
I
BATT
(Constant current mode)
(Constant current mode)
)
(%)
4
100
)
6
6
8
10
8
Ta
VIN 19 V
BATT charge voltage
SW1 SW2 ON
Efficiency
12
(V
set at 16.8 V
/ (V
10
BATT
IN
25
14
MB3888
BATT
I
BATT
12
IN
C
I
BATT
)
16
(%)
(V)
(V)
100
)
(Continued)
14
18
20
16
23