STF201-30.TC, STF202-2.2TC, STF202-22 Selling Leads, Datasheet
MFG:SEMTECH Package Cooled:SOT23-6 D/C:09+
STF201-30.TC, STF202-2.2TC, STF202-22 Datasheet download
Part Number: STF201-30.TC
MFG: SEMTECH
Package Cooled: SOT23-6
D/C: 09+
STF201-30.TC, STF202-2.2TC, STF202-22
- Table of contents:
Info of STF201-30.TC
Info of STF202-2.2TC
Info of STF202-22
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About STF201-30.TC
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Datasheet: STF201-30.TC
File Size: 137246 KB
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About STF10NK50Z
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Datasheet: STF10NK50Z
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Manufacturer: ST
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About STF202-22
PDF/DataSheet Download
Datasheet: STF202-22
File Size: 168150 KB
Manufacturer: SEMTECH [Semtech Corporation]
Download : Click here to Download
STF202-22 General Description
The STF202 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 STF202 is an easily implemented solution for meeting the requirements of revision 1.1 of the Universal Serial Bus specification.
USB line termination is achieved with series 22 or 30 resistors on both the D+ and D- USB lines. These resistors preserve signal integrity by matching the cable impedance to that of the differential driver. The 1.5k pull-up resistor completes the termination circuit on each line. This resistor is required by the USB specification to identify the equipment as either a fullspeed (connected to D+ line) or low-speed (connected to D- line) device. The 47pF capacitors are used to bypass high frequency energy to ground and for edge rate control of the USB signals. Finally, the STF202 contains TVS diodes for ESD protection of both (D+ & D-) data lines and the voltage bus (VBUS). The TVS diodes provide effective suppression of ESD voltages in excess of 15kV (air discharge) and 8kV (contact discharge) per IEC 1000-4-2, level 4.
The small size and integrated feature of the STF202 minimizes required board space and increases system reliability. The STF202 is suitable for use in USB hubs, computers, peripherals, and portable devices.
STF202-22 Maximum Ratings
|
Rating |
Symbol |
Value |
Unit |
| Steady-State Power |
P |
100 |
mW |
| ESD Air Discharge per IEC 1000-4-2 |
VPP |
16 |
kV |
| ESD Contact Discharge per IEC 1000-4-2 |
VPP |
10 |
kV |
| Lead Soldering Temperature (10 seconds) |
TL |
260 |
°C |
| Operating Temperature |
Tstg |
-40 to +125 |
°C |
| Storage Temperature |
Tj |
-55 to +150 |
°C |
STF202-22 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 1000-4-2 Level 4
• Filtering and termination for two USB data lines
• Different series resistors for impedance matching
• Low TVS operating voltage (5.25V)
• Low leakage current
• Small SOT-23 6L package
• Solid-state technology
• ESD protection for USB power (VBUS) and data lines (D+ & D-) to IEC 1000-4-2 Level 4
• Filtering and termination for two USB data lines
• Different series resistors for impedance matching
• Low TVS operating voltage (5.25V)
• Low leakage current
• Small SOT-23 6L package
• Solid-state technology
STF202-22 Typical Application
• USB Hubs
• Portable electronics
• Cellular Handsets
• Peripherals
• Servers, Desktop, Notebook, and Handheld Computers
• Portable electronics
• Cellular Handsets
• Peripherals
• Servers, Desktop, Notebook, and Handheld Computers
STF202-22 Connection Diagram
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