MB3881 Datasheet, PDF (14/40 Pages) Fujitsu Component Limited. – 8-ch DC/DC Converter IC with Synchronous Rectifier for Voltage Step-up and Step-down

MB3881
s TYPICAL CHARACTERISTICS
Power supply current vs. power supply voltage
10
Ta = +25 °C
CTL−1 = CTL−2 = CTL−3 = CTL−4 = 5 V
8
6
4
2
0
0 2 4 6 8 10 12 14 16
Power supply voltage VCC (V)
Reference voltage vs. power supply voltage
5
Ta = +25 °C
CTL−1 = CTL−2 = CTL−3 = CTL−4 = 5 V
4
VREF = 0 mA
3
2
1
0
0 2 4 6 8 10 12 14 16
Power supply voltage VCC (V)
Reference voltage vs. ambient temperature
2.56
VCC = 9 V
2.54
CTL−1 = CTL−2 = CTL−3 = CTL−4 = 5 V
2.52
2.5
2.48
2.46
2.44
−40 −20 0 20 40 60 80 100
Ambient temperature Ta (°C)
Reference voltage vs. control voltage
5
Ta = +25 °C
VCC = 9 V
4
VREF = 0 mA
3
Control current vs. control voltage
500
Ta = +25 °C
VCC = 9 V
400
300
2
200
1
100
0
0
0
1
2
3
4
5
0 2 4 6 8 10 12 14 16
Control voltage VCTL-1 (V)
Control voltage VCTL-1 (V)
(Continued)
14