MB39A114 Datasheet, PDF (48/54 Pages) Fuji Electric – DC/DC Converter IC for Charging Li-ion Battery

MB39A114
Soft start operating waveform at constant voltage mode (16.8 V setting) (1)
VO (V)
20
15
10
5
VO
0
CTL (V)
5
CTL
0
VAC = 19 V
CV mode
RL = 20 Ω
VBATT = 16.8 V setting
0 2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5 25.0 (ms)
Soft start operating waveform at constant voltage mode (16.8 V setting) (2)
CVM (V)
6
4
2
0
OVP (V)
5
0
CTL (V)
5
0
CVM
OVP
CTL
VAC = 19 V
CV mode
RL = 20 Ω
VBATT = 16.8 V setting
0 2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5 25.0 (ms)
(Continued)
48