FUJITSU MB3887 - Manual (Page 27)

MB3887
27
(Continued)
100
98
96
94
92
90
88
86
84
82
80
10 m 100 m 1 10
Ta
= +
25
°
C
VIN
=
19 V
BATT charge voltage
=
set at 16.8 V
SW
= ON
Efficiency
η
(%)
=
(V BATT
×
I BATT )
/ (V IN
×
I IN )
×
100
100
98
96
94
92
90
88
86
84
82
80
0 2 4 6 8 10 12 14 16 18 20
Ta
= +
25
°
C
VIN = 19 V
BATT charge voltage =
set at 16.8 V
SW
=
ON
Efficiency
η
(%)
=
(V BATT
× I BATT )
/ (V IN
× I IN ) × 100
Conversion efficiency vs. Charge current
(Constant voltage mode)
Conversion efficiency vs. Charge current
(Constant current mode)
Conversion efficiency
η
(
%
)
BATT charge current I
BATT
(A)
Conversion efficiency
η
(
%
)
BATT charge voltage V
BATT
(V)
18
16
14
12
10
8
6
4
2
0
0 1 2 3 2.5 1.5 0.5 4 5 4.5 3.5
Dead Battery MODE DCC MODE
DCC
:
Dynamically-Controlled
Ta
= +
25
°
C VIN
=
19 V
BATT
:
Electronic load
,
(Product of KIKUSUI PLZ-150W)
20
18
16
14
12
10
8
6
4
2
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
Dead Battery MODE DCC MODE
DCC : Dynamically-Controlled
BATT : Electronic load
,
(Product of KIKUSUI PLZ-150W)
Ta
= +
25
°
C
VIN
=
19 V
BATT voltage vs. BATT charge current
(set at 12.6 V)
BATT voltage V
BATT
(V
)
BATT charge current I
BATT
(A)
BATT voltage vs. BATT charge current
(set at 16.8 V)
BATT voltage V
BATT
(V
)
BATT charge current I
BATT
(A)