High voltage stabilizing circuit diagram composed of optocouplers


Posted on Mar 28, 2007

Circuit is shown. Normal driving transistor would need a higher breakdown voltage transistor (FIG driving tube 9013). When the output voltage increases, VT55 bias increases, B5


High voltage stabilizing circuit diagram composed of optocouplers
Click here to download the full size of the above Circuit.

light emitting diode forward current increases, the voltage between the photodiode decreases, the regulator be biased to reduce junction resistance increases and the output voltage decreases ; on the contrary, the output voltage increases, thereby maintaining a stable output voltage.




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