MB3887 Fujitsu, MB3887 Datasheet - Page 27

• Manufacturer Part Number: MB3887
• Description: DC/DC Converter IC
• Manufacturer: Fujitsu

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
Ta = +25
VIN = 19 V
BATT charge voltage =
SW = ON
Efficiency η (%) =
Conversion efficiency vs. Charge current
set at 12.6 V
(V
(V
Conversion efficiency vs. Charge current
BATT
IN
×
BATT charge current I
BATT charge current I
I
×
IN
°C
I
)
BATT
(Constant voltage mode)
×
(Constant voltage mode)
100
) /
100 m
100 m
Ta = +25
VIN = 19 V
BATT charge voltage =
SW = ON
Efficiency η (%) =
set at 16.8 V
(V
(V
BATT
BATT
IN
BATT
1
1
×
I
×
IN
(A)
(A)
°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 = +25
VIN = 19 V
BATT charge voltage =
SW = ON
Efficiency η (%) =
Conversion efficiency vs. Charge current
set at 12.6 V
(V
(V
Conversion efficiency vs. Charge current
BATT
IN
2
2
×
I
×
IN
BATT charge voltage V
°C
)
I
4
BATT charge voltage V
BATT
(Constant current mode)
×
(Constant current mode)
4
100
) /
6
6
8
8
10
Ta = +25
VIN = 19 V
BATT charge voltage =
SW = ON
Efficiency η (%) =
12
set at 16.8 V
(V
(V
10
BATT
IN
×
14
BATT
I
MB3887
×
IN
BATT
12
°C
I
)
BATT
(V)
×
16
(V)
100
) /
(Continued)
14
18
16
20
27