MB3827 データシートの表示（PDF） - Fujitsu
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MB3827 Datasheet PDF : 41 Pages
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MB3827
(Continued)
Triangular wave upper and lower limit voltage
vs. timing capacitor
1
Ta = +25 °C
VCC = 9 V
0.8
RT = 18 kΩ
Upper
0.6
0.4
Lower
0.2
0
10
100
1000
10000
Timing capacitor CT (pF)
Triangular wave oscillator frequency vs.
timing capacitor
10000
Ta = +25 °C
VCC = 9 V
1000
100
10
10
RT = 13 kΩ
RT = 18 kΩ
RT = 30 kΩ
RT = 47 kΩ
100
1000
Timing capacitor CT (pF)
10000
Triangular wave oscillator frequency vs.
ambient temperature
560
VCC = 9 V
540
CTL1−4, 7 = CTL5 = CTL6 = 5 V
RT = 18 kΩ
CT = 100 pF
520
500
480
460
440
−40 −20 0
20
40 60 80 100
Ambient temperature Ta (°C)
18
Triangular wave upper and lower limit voltage
vs. ambient temperature
1.2
VCC = 9 V
1
RT = 18 kΩ
CT = 100 pF
0.8
Upper
0.6
0.4
Lower
0.2
0
−40 −20 0
20 40 60 80 100
Ambient temperature Ta (°C)
Triangular wave oscillator frequency vs.
timing resistor
1000
Ta = +25 °C
VCC = 9 V
CT = 47 pF
CT = 100 pF
100
CT = 220 pF
CT = 470 pF
CT = 680 pF
CT = 1000 pF
10
10
100
Timing resistor RT (Ω)
Maximum duty cycle vs.
triangular wave oscillator frequency (CH7)
100
Ta = +25 °C
VCC = 9 V
90
80
70
60
50
0
200
400
600
800
1000
Triangular wave oscillator frequency
fOSC (kHz)
(Continued)
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