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PACUSBU-S - Upstream USB Port Terminator

Datasheet Summary

Description

The PACUSB U1, PACUSB U2, and PACUSB U3 are single channel USB upstream

port termination networks.

and C1, as recommended by the USB specification.

Features

  • One Upstream USB Port Terminator, EMI Filter and Transient Overvoltage Protector in a Single Surface.
  • Mount Package.
  • Compact SC70 or SOT23 Package Saves Board Space and Lowers Manufacturing Costs Compared to Discrete Solutions.
  • ESD Protection to 30 kV Contact Discharge per MIL.
  • STD.
  • 883D, Method 3015.
  • ESD Protection to 15 kV Contact Discharge per IEC 61000.
  • 4.
  • 2 International Standard.
  • These Devices are Pb.
  • Free and are RoHS C.

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Datasheet preview – PACUSBU-S

Datasheet Details

Part number PACUSBU-S
Manufacturer ON Semiconductor
File Size 108.05 KB
Description Upstream USB Port Terminator
Datasheet download datasheet PACUSBU-S Datasheet
Additional preview pages of the PACUSBU-S datasheet.

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Full PDF Text Transcription

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PACUSBU-S Upstream USB Port Terminator Product Description The PACUSB−U1, PACUSB−U2, and PACUSB−U3 are single−channel USB upstream−port termination networks. The PACUSB−U1/U2/U3 integrate EMI/RFI filter components R1 and C1, as recommended by the USB specification. Because these are upstream USB devices, they are terminated with a single 1.5 kW pull−up resistor to V3.3 (R2). There are three options for the value of the series resistor R1:  For PACUSB−U1, R1 = 15 W  For PACUSB−U2, R1 = 33 W  For PACUSB−U3, R1 = 22 W This series resistance plus the USB driver output resistance must be close to the USB cable’s characteristic impedance of 45 W (90 W balanced) to minimize transmission line reflections.
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