MB3887_06 Datasheet, PDF (11/34 Pages) Fujitsu Component Limited. – DC/DC Converter IC for Charging Li-ion battery

MB3887
■ TYPICAL CHARACTERISTICS
Power supply current vs. Power supply voltage
6
Ta = +25 °C
5
CTL = 5 V
4
3
2
1
0
0
5
10
15
20
25
Power supply voltage VCC (V)
Reference voltage vs. Reference voltage output current
6
Ta = +25 °C
5
VCC = 19 V
CTL = 5 V
4
3
2
1
0
0
5
10 15 20 25 30
Reference voltage output current IREF (mA)
CTL terminal current, Reference voltage
vs. CTL terminal voltage
1000
900
800
Ta = +25 °C
VCC = 19 V
700
600
VREF
500
400
ICTL
300
200
100
0
0
5
10
15
20
CTL terminal voltage VCTL (V)
10
9
8
7
6
5
4
3
2
1
0
25
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
5.08
VCC = 19 V
5.06
CTL = 5 V
5.04
5.02
5.00
4.98
4.96
4.94
4.92
−40 −20 0 +20 +40 +60 +80 +100
Ambient temperature Ta ( °C)
(Continued)
11