MB39A119 Datasheet, PDF (44/53 Pages) Fujitsu Component Limited. – DC/DC Converter IC of Synchronous Rectification for charging Li-ion battery

MB39A119
Switching waveform (constant voltage mode)
OUT-1 (V)
20
OUT-1
15
10
5
0
OUT-2 (V)
5
0
−5
OUT-2
VIN = 19 V
VO = 16.8 V setting
I_O = 2 A
SW3 = OFF
SW4 = OFF
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0(µs)
Switching waveform (constant current mode)
OUT-1 (V)
20
OUT-1
15
10
5
0
OUT-2 (V)
5
0
−5
OUT-2
VIN = 19 V
V_O = 12 V
IO = 4 A setting
SW3 = OFF
SW4 = OFF
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0(µs)
Switching waveform (constant voltage mode)
VS
(V)
20
15
VS
10
5
0
−5
VIN = 19 V
V_O = 16.8 V setting
I_O = 2.0 A
SW3 = OFF
SW4 = OFF
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0(µs)
(Continued)
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