MB3874 Просмотр технического описания (PDF) - Fujitsu
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производитель
MB3874 Datasheet PDF : 28 Pages
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MB3874/MB3876
(Continued)
Triangular wave oscillator frequency vs.
timing resistor
1M
Ta = +25 °C
VCC = 16 V (MB3874)
VCC = 19 V (MB3876)
CTL = 5 V
100 k
10 k
10 k
100 k
1M
Timing resistor RT (Ω)
Triangular wave oscillator frequency vs.
ambient temperature
350
340
330
320
310
300
290
280
270
260
250
−40 −20 0
VCC = 16 V (MB3874)
VCC = 19 V (MB3876)
CTL = 5 V
RT = 47 kΩ
20 40 60 80 100
Ambient temperature Ta (°C)
Triangular wave oscillator frequency vs.
power supply voltage
350
Ta = +25 °C
340
CTL = 5 V
330
RT = 47 kΩ
320
310
300
290
280
270
260
250
0
5
10
15
20
25
Power supply voltage VCC (V)
Error amplifier threshold voltage vs.
ambient temperature
5.0
4.0
VCC = 16 V (MB3874)
VCC = 19 V (MB3876)
3.0
CTL = 5 V
2.0
1.0
0.0
−1.0
−2.0
−3.0
−4.0
−5.0
−40 −20 0
20 40 60 80 100
Ambient temperature Ta (°C)
13
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