USBDF01W5 PDF Datasheet


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Description

This is EMI FILTER AND LINE TERMINATION FOR USB DOWNSTREAM PORTS. ® USBDFxxW5 EMI FILTER AND LINE TERMINATION FOR USB DOWNSTREAM PORTS A.S.D.™ APPLICATIONS EMI Filter and line termination for USB downstream ports on: - Desktop computer - Notebooks - Workstations - USB Hubs FEATURES n Monolithic device with recommended line termination for USB downstream ports n Integrated Rt series termination and Ct bypassing capacitors. n Integrated ESD protection n Small package size DESCRIPTION The USB specification requires USB downstream ports to be terminated with pull-down resistors from the D+ and D- lines to ground. On the implementation of USB systems, the radiated and conducted EMI should be kept within the required levels as stated by the FCC regulations. In addition to the requirements of termination and EMC compatibility, the computing devices are required to be tested for ESD susceptibility. The USBDFxxW5 provides the recommended line termination while implementing a low pass filter to limit EMI levels and providing ESD protection which exceeds IEC.