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Scaling Voltage and Current using standard voltage regulators and MOSFETs

説明

2018年 5月 8日
Any voltage regulator typically has a series pass element. The selection of pass element will depend on the current it is supposed to carry. For  lower currents, the series pass element can be single transistor but for higher currents it has to be darlington pairs. For  higher current regulators, the drop-out voltage of the series pass element also increases which in turn produces heat and power dissipation. The  package of such single devices supporting higher currents are also limited by die size, and thermal transfer as highlighted by safe-operating curve. This training shows simple innovative techniques to scale the output current keeping constant output voltage.

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