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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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L7810CV Fiches technique(PDF) 35 Page - STMicroelectronics |
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L7810CV Fiches technique(HTML) 35 Page - STMicroelectronics |
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35 / 47 page  L7800 series Typical performance 35/47 1. Application with high capacitance loads and an output voltage greater than 6 volts need an external diode (see fig. 32) to protect the device against input short circuit. In this case the input voltage falls rapidly while the output voltage decrease slowly. The capacitance discharges by means of the Base-Emitter junction of the series pass transistor in the regulator. If the energy is sufficiently high, the transistor may be destroyed. The external diode by-passes the current from the IC to ground. Figure 36. Protection against input short-circuit with high capacitance loads |
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