STF202-30.TC, STF203.22.TC, STF203-15 Selling Leads, Datasheet
MFG:SEMTECH Package Cooled:SOT23-6 D/C:0043+
STF202-30.TC, STF203.22.TC, STF203-15 Datasheet download
Part Number: STF202-30.TC
MFG: SEMTECH
Package Cooled: SOT23-6
D/C: 0043+
STF202-30.TC, STF203.22.TC, STF203-15
- Table of contents:
Info of STF202-30.TC
Info of STF203.22.TC
Info of STF203-15
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About STF10NK50Z
PDF/DataSheet Download
Datasheet: STF10NK50Z
File Size: 222084 KB
Manufacturer: ST
Download : Click here to Download
About STF10NK50Z
PDF/DataSheet Download
Datasheet: STF10NK50Z
File Size: 222084 KB
Manufacturer: ST
Download : Click here to Download
About STF203-15.TC
PDF/DataSheet Download
Datasheet: STF203-15.TC
File Size: 141349 KB
Manufacturer:
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STF203-15 General Description
The STF203 is a combination EMI filter and line termination device with integrated TVS diodes for use on upstream USB ports. It is constructed using a proprietary technology that allows passive components and TVS diodes to be integrated in the same package. Each device will provide termination, filtering, and ESD protection for one upstream USB port.
The STF203 is an easily implemented solution for meeting the requirements of revision 1.1 of the Universal Serial Bus specification. Line termination is achieved with series resistors on both the D+ and D- USB lines. The value of series resistance added to the output impedance of the USB driver must be as close to possible to the 45Ω characteristic impedance of the cable (90Ω balanced) to minimize transmission line reflections. They are available with resistor values of 15Ω (STF203-15), 22Ω (STF203-22), and 33Ω (STF203-33). The 1.5kΩ pull-up resistor is required by the USB specification to identify the equipment as either a full-speed (connected to D+ line) or low-speed (connected to Dline) device.
The 47pF capacitors are required to bypass high frequency energy to ground and to control the edge rate of the USB signals. The TVS diodes provide ESD protection of both (D+ & D-) data lines and the voltage bus (VBUS). The TVS diodes on the input/output pins provide suppression of ESD voltages in excess of 15kV (air discharge) and 8kV (contact discharge) per IEC 61000-4-2, level 4. The TVS diode on the VBUS pin will suppress ESD discharges in excess of 25kV per IEC 61000-4-2.
STF203-15 Features
·Bidirectional EMI/RFI filtering and line termination with integrated ESD protection
·ESD protection for USB power (VBUS) and data lines (D+ & D-) to IEC 61000-4-2 Level 4
·Filtering and termination for one USB port
·Series resistors: 15Ω, 22Ω, and 33Ω
·Low TVS operating voltage (5.25V)
·Low leakage current
·Small SC70-6L package
·Solid-state technology
·ESD protection for USB power (VBUS) and data lines (D+ & D-) to IEC 61000-4-2 Level 4
·Filtering and termination for one USB port
·Series resistors: 15Ω, 22Ω, and 33Ω
·Low TVS operating voltage (5.25V)
·Low leakage current
·Small SC70-6L package
·Solid-state technology
STF203-15 Typical Application
·USB Ports
·Cellular Handsets
·PDA
·Pagers
·Digital Cameras
·PC Peripherals
·MP3 Players
·Cellular Handsets
·PDA
·Pagers
·Digital Cameras
·PC Peripherals
·MP3 Players
STF203-15 Connection Diagram
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