MB3889 데이터 시트보기 (PDF) - Fujitsu
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MB3889 Datasheet PDF : 35 Pages
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MB3889
s TYPICAL CHARACTERISTICS
Power Supply Current vs. Power Supply Voltage
20
Ta = +25 °C
18
CTL = 5 V
16
14
12
10
8
6
4
2
0
0
5
10
15
20
Power supply voltage VCC (V)
Reference Voltage vs. Load Current
5
Ta = +25 °C
VCC = 12 V
4
CTL = 5 V
3
2
1
0
0
5
10
15
20
25
Load current IREF (mA)
CTL Terminal Current, Reference Voltage
vs. CTL Terminal Voltage
500
5
Ta = +25 °C
VCC = 12 V
400
VREF = 0 mA 4
VREF
300
3
200
2
ICTL
100
1
0
0
0
5
10
15
20
CTL terminal voltage VCTL (V)
Reference Voltage vs. Power Supply Voltage
6
Ta = +25 °C
CTL = 5 V
5
VREF = 0 mA
4
3
2
1
0
0
5
10
15
20
Power supply voltage VCC (V)
Reference Voltage vs. Ambient Temperature
2.0
VCC = 12 V
1.5
CTL = 5 V
VREF = 0 mA
1.0
0.5
0.0
−0.5
−1.0
−1.5
−2.0
−40 −20 0
20 40 60 80 100
Ambient temperature Ta (°C)
Triangular Wave Oscillation Frequency
vs. Timing Resistor
1000
Ta = +25 °C
VCC = 12 V
CTL = 5 V
100
10
10
100
1000
Timing resistor RT (Ω)
(Continued)
11
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