MB39A119 Datasheet, PDF (47/53 Pages) Fujitsu Component Limited. – DC/DC Converter IC of Synchronous Rectification for charging Li-ion battery

MB39A119
Soft-start operating waveform (constant voltage mode)
Io (A)
Vo
5
Vo (V)
18
16
4
CVM
3
14
CVM (V)
5
2
1
Io
0
CTL
VIN = 19 V
VO = 16.8 V setting
SW3 = OFF
SW4 = OFF
0
CTL (V)
10
0
0 4 8 12 16 20 24 28 32 36 40 (ms)
Soft-start operating waveform (constant voltage mode)
Io (A)
5
4
3
2
Io
1
0 _CTL
Vo
CVM
VIN = 19 V
VO = 16.8 V setting
SW3 = OFF
SW4 = OFF
Vo (V)
18
16
14
CVM (V)
5
0
CTL (V)
10
0
0 4 8 12 16 20 24 28 32 36 40 (ms)
(Continued)
47