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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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L9680 Fiches technique(PDF) 46 Page - STMicroelectronics |
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L9680 Fiches technique(HTML) 46 Page - STMicroelectronics |
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46 / 277 page  Start-up and power control L9680 46/277 DocID029257 Rev 1 In case of loss of ground the FET is not turned on. Loss of ground can be detected also when the FET is off thanks to a pull-up current present on the BSTGND pin. The FET will be automatically reactivated as soon as ground connection is restored. Over-voltage protection from load dump and inductive flyback is provided via an active clamp and a SYNC_Boost disable circuitry, see Figure 20. Figure 20. SYNCBOOST regulator block diagram Figure 21. SYNCBOOST regulator state diagram |
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