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)