MB3821 Datasheet, PDF (8/24 Pages) Fujitsu Component Limited. – 2-ch DC/DC Converter IC With Synchronous Rectifier

MB3821
s TYPICAL CHARACTERISTICS
Power supply current vs. power supply voltage
10
Ta = +25 °C
SEL = 0 V
8
6
4
2
0
0
10
20
35
40
50
Power supply voltage VCC (V)
Reference voltage vs. power supply voltage
5
Ta = +25 °C
IOR = 0 mA
4
3
2
1
0
0
10
20
30
40
50
Power supply voltage VCC (V)
Reference voltage vs. ambient temperature
2.0
1.5
1.0
0.5
0.0
−0.5
−1.0
−1.5
−2.0
−40 −20 0
VCC = 16 V
CTL = 5 V
IOR = 0 mA
20 40 60 80 ¹⁰⁰
Ambient temperature Ta (°C)
Power supply current vs. power supply voltage
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
Ta = +25 °C
SEL = 5 V
10
20
35
40
50
Power supply voltage VCC (V)
Reference voltage vs. power supply voltage
5
Ta = +25 °C
IOR = 0 mA
4
3
2
1
0
0
1
2
3
4
5
Power supply voltage VCC (V)
Reference voltage vs. control voltage
5
Ta = +25 °C
VCC = 16 V
4
SEL = 0 V
IOR = 0 mA
3
2
1
0
0
10
20
30
40
50
Control voltage VCTL (V)
(Continued)
8