MB39A113 Datasheet, PDF (36/51 Pages) Fujitsu Component Limited. – ASSP for Power Supply Applications (Secondary Battery)

MB39A113
s REFERENCE DATA
Conversion Efficiency vs. Charge Current
(constant voltage mode)
100
98
96
94
92
90
88
86
Ta = + 25 °C
VAC = 19 V
84
VBATT = 12.6 V setting
η = (VBATT × IBATT) / (VAC × IAC)
82
Converted to VBATT
80
0.01
0.1
1
10
IBATT (A)
100
98
96
94
92
90
88
86
84
82
80
0
Conversion Efficiency vs. Charge Voltage
(constant current mode)
Ta = + 25 °C
VAC = 19 V
IBATT = 3 A setting
η = (VBATT × IBATT) / (VAC × IAC)
Converted to VBATT
2
4
6
8
10 12 14
VBATT (V)
BATT Voltage vs. BATT Charge Current (12.6 V setting)
18
16 ^{Ta = + 25 °C}
VAC = 19 V
14 _{VBATT = 12.6 V setting}
12
10
D.C.C. Mode
8
Dead Battery Mode
6
4
2
D.C.C. Mode : Dynamically-controlled charging
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
IBATT (A)
36
(Continued)