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PACUSBU-S - Upstream USB Port Terminator

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.

📥 Download Datasheet

Datasheet preview – PACUSBU-S

Datasheet Details

Part number PACUSBU-S
Manufacturer onsemi
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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