MB3882 データシートの表示（PDF） - Fujitsu
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MB3882 Datasheet PDF : 30 Pages
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MB3882
Triangular Wave Oscillator Frequency vs.
Timing Capacitor
10 M
1M
Ta = +25 °C
VCC = 12 V
CTL = 5 V
RT = 10 kΩ
100 k
10 k
1k
10
100
1000
10000
Timing capacitor CT (pF)
100000
Triangular Wave Oscillator Frequency vs.
Supply Voltage
250
240
Ta = +25 °C
RT = 10 kΩ
230
CT = 470 pF
220
210
200
190
180
170
160
150
0
5
10
15
20
Supply voltage VCC (V)
Triangular Wave Oscillator Frequency vs.
Timing Resistor
10 M
1M
Ta = +25 °C
VCC = 12 V
CTL = 5 V
CTL = 150 pF
100 k
CTL = 470 pF
10 k
1k
CTL = 15000 pF
100
1k
10 k
Timing resistor RT (Ω)
100 k
Triangular Wave Oscillator Frequency vs.
Ambient Temperature
250
240
VCC = 12 V
RT = 10 kΩ
230
CT = 470 pF
220
210
200
190
180
170
160
150
−40 −20 0 20 40 60 80 100
Ambient temperature Ta (°C)
Error Amp Gain, Phase vs. Frequency
40
Ta = +25 °C 180
20
φ
90
0
AV
0
−20
−90
−40
1k
10 k
100 k
1M
Frequency f (Hz)
−180
10 M
VCC = 12 V
4.7 kΩ
−+
IN 10 µF
4.7 kΩ
2.4 kΩ (20)
5
4
(21)
1.5 V
240 kΩ
−
+
6
+
(19) OUT
1.25 V Error Amp.1
(Error Amp.2)
(Continued)
11
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