MB39A114 Datasheet, PDF (43/54 Pages) Fuji Electric – DC/DC Converter IC for Charging Li-ion Battery

MB39A114
Switching waveform at constant voltage mode (16.8 V setting)
VD (V)
20
VAC = 19 V
CV mode
IBATT = 1.5 A
VBATT = 16.8 V setting
OUT (V)
15
10
5
15
0
10
5
0
0
1
2
3
4
5
6
7
8
9 10 (µs)
Switching waveform at constant current mode (16.8 V setting at 10 V)
OUT (V)
15
VAC = 19 V
VD (V) _{CC mode}
10
IBATT = 3 A setting
VBATT = 10 V
20
5
15
0
10
5
0
0
1
2
3
4
5
6
7
8
9 10 (µs)
(Continued)
43