MB39A119 Datasheet, PDF (42/53 Pages) Fujitsu Component Limited. – DC/DC Converter IC of Synchronous Rectification for charging Li-ion battery

MB39A119
■ REFERENCE DATA
Conversion efficiency vs. Charging current (constant voltage mode)
100
95
90
85
80
75
70
65
60
55
50
0.01
VIN = 19 V
VO = 16.8 V setting
0.1
1
10
Charging current IO (A)
Conversion efficiency vs. Charging current (constant voltage mode)
100
95
90
85
80
75
70
65
60
55
50
0.01
VIN = 16 V
VO = 12.6 V setting
0.1
1
10
Charging current IO (A)
Conversion efficiency vs. Charging voltage (constant current mode)
100
95
90
VIN = 19 V
85
I_O = 4 A setting
80
75
70
65
60
55
50
0 2 4 6 8 10 12 14 16 18 20
Charging voltage VO (V)
42
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