Part Details for ADP3330 by Analog Devices Inc
Overview of ADP3330 by Analog Devices Inc
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Part Details for ADP3330
ADP3330 CAD Models
ADP3330 Part Data Attributes:
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ADP3330
Analog Devices Inc
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ADP3330
Analog Devices Inc
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Resources and Additional Insights for ADP3330
Reference Designs related to ADP3330
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CN0158 - Universal Serial Bus (USB) Hub Isolator Circuit
Power for the upstream USB connector is derived from the 5 V VBUS voltage available on the USB cable. The hub chip must provide all of the signals and pull-up or pull-down resistors that would be required if the ADuM4160 were not present. The hub chip chosen is an SMSC USB2512 two-port USB hub controller. This part was chosen because of its low cost and small footprint. In addition, a 4-channel version is available in the same footprint. The design is full featured, supporting channel by channel current limiting through a MIC2026 power distribution switch and sufficient offline regulated power to provide 2.5 W to each downstream channel. Power on the downstream side is provided by a wall wart and an ADP3339 LDO regulator (5 V option). This component provides very low dropout voltage, reducing the regulation requirements on the "wall wart".