MB3878
wave oscillator frequency | fOSC (Hz) |
Triangular |
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Triangular wave oscillator frequency vs. |
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| Triangular wave oscillator frequency vs. | |||||||
| timing resistor |
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| power supply voltage |
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1 M |
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| 320 |
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| Ta = +25 | °C |
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| 330 |
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| Ta = +25 °C | |
| VCC = 19 V |
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| CTL | = 5 V | ||
| CTL = 5 V | oscillatorwave | (kHz)fOSC |
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| RT = | 47 kΩ | |
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| 310 |
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| 300 |
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100 k |
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| 290 |
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| 280 |
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| Triangular |
| 270 |
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10 k | 100 k | 1 M |
| 0 | 5 | 10 | 15 | 20 | 25 | |
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| 260 |
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| 250 |
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10 k |
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| 240 |
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Timing resistor RT (Ω) | Power supply voltage VCC (V) |
Triangular wave oscillator frequency
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| 340 |
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| VCC = 19 V |
| VTH | |||
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| 330 |
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| CTL = 5 V |
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Triangular wave oscillator |
| 320 |
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| RT = 47 kΩ |
| amplifier threshold voltageΔ | ||
frequency fOSC (kHz) |
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310 |
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300 |
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290 |
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280 |
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270 |
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260 |
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250 |
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240 |
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−40 | −20 | 0 | 20 | 40 | 60 | 80 | 100 | ||||
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| Ambient temperature Ta ( °C) |
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Error amplifier threshold voltage vs. ambient temperature (Error Amp.3)
5.0 |
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| VCC | = 19 V |
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4.0 |
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| CTL = 5 V |
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3.0 |
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2.0 |
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1.0 |
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0.0 |
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−1.0 |
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−2.0 |
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−3.0 |
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−4.0 |
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−5.0 |
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−40 −20 | 0 | 20 | 40 | 60 | 80 100 |
Ambient temperature Ta ( °C)
(Continued)
10