MB3887 Fujitsu, MB3887 Datasheet - Page 28

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

28
MB3887
100
18
16
14
12
10
98
96
94
92
90
88
86
84
82
80
8
6
4
2
0
10 m
0
Conversion efficiency vs. Charge current
BATT voltage vs. BATT charge current
0.5
Dead Battery MODE
BATT charge current I
BATT charge current I
1
(Constant voltage mode)
1.5
100 m
(set at 12.6 V)
DCC
Ta = +25
BATT
2
(Product of KIKUSUI PLZ-150W)
: Dynamically-Controlled
2.5
:
Electronic load
°C
Ta = +25
VIN = 19 V
BATT charge voltage =
SW = ON
Efficiency η (%) =
set at 16.8 V
(V
(V
3
VIN = 19 V
BATT
IN
BATT
1
×
BATT
3.5
I
DCC MODE
×
IN
(A)
°C
)
I
BATT
(A)
×
,
4
100
) /
4.5
10
5
100
98
96
94
92
90
88
86
84
82
80
20
18
16
14
12
10
8
6
4
2
0
0
0
Conversion efficiency vs. Charge current
BATT voltage vs. BATT charge current
0.5
2
Dead Battery MODE
BATT charge voltage V
BATT charge current I
1
4
(Constant current mode)
1.5
6
(set at 16.8 V)
BATT
(Product of KIKUSUI PLZ-150W)
2
8
DCC : Dynamically-Controlled
2.5
10
:
Electronic load
Ta = +25
VIN = 19 V
BATT charge voltage =
set at 16.8 V
SW = ON
Efficiency η (%) =
12
(V
(V
3
BATT
IN
×
DCC MODE
3.5
14
BATT
I
BATT
×
IN
°C
)
I
BATT
Ta = +25
VIN = 19 V
,
×
(A)
16
4
(V)
100
(Continued)
) /
4.5
18
°C
20
5