MB3888 Datasheet, PDF (11/30 Pages) Fujitsu Component Limited. – DC/DC Converter IC for Charging Li-ion Battery

MB3888
s TYPICAL CHARACTERISTICS
Power supply current vs.
Power supply voltage
10
Ta = +25 °C
CTL = 5 V
8
6
4
2
0
0
5
10
15
20
25
Power supply voltage VCC (V)
Reference voltage vs. Load current
6
Ta = +25 °C
5
VCC = 19 V
CTL = 5 V
4
3
2
1
0
0
5
10 15 20 25 30
Load current IREF (mA)
CTL terminal current, reference voltage vs.
CTL terminal voltage
1000
10
Ta = +25 °C
900 _{VCC = 19 V}
9
800
8
700
7
600
6
VREF
500
5
400
ICTL
4
300
3
200
2
100
1
0
0
0
5
10
15
20
25
CTL terminal voltage VCTL (V)
Reference voltage vs.
Power supply voltage
6
5
4
3
2
Ta = +25 °C
1
CTL = 5 V
VREF = 0 mA
0
0
5
10
15
20
25
Power supply voltage VCC (V)
Reference voltage vs. Ambient temperature
5.05
5.04
5.03
5.02
5.01
5.00
4.99
4.98
4.97
4.96
4.95
−40 −20 0
VCC = 19 V
CTL = 5 V
VREF = 0 mA
20 40 60 80 100
Ambient temperature Ta ( °C)
(Continued)
11