STF203-33.TC Semtech Corporation, STF203-33.TC Datasheet

STF203-33.TC

Manufacturer Part Number

STF203-33.TC

Description

Manufacturer

Semtech Corporation

Datasheet

1.STF203-33.TC.pdf (6 pages)

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Allchip Electronic(HK) Limited

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STF203-33.TC

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Allchip Electronic(HK) Limited

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STF203-33.TCT

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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 45

characteristic impedance of the cable (90

to minimize transmission line reflections. They are

available with resistor values of 15

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 D-

line) 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+ and D-) data lines

and the voltage bus (V

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 V

of 25kV per IEC 61000-4-2.

Revision 03/22/2006

PROTECTION PRODUCTS

Description

Circuit Diagram

(STF203-22), and 33

BUS

pin will suppress ESD discharges in excess

BUS

). The TVS diodes on the

(STF203-33). The 1.5k

(STF203-15),

balanced)

For EMI Filtering and ESD Protection

Features

Mechanical Characteristics

Applications

USB Upstream Port Filter and TVS

Schematic and PIN Configuration

STF203-15 THRU STF203-33

Bidirectional EMI/RFI filtering and line termination

with integrated ESD protection

ESD protection for USB power (V

(D+ and D-) to

IEC 61000-4-2 (ESD) ±15kV (air), ±8kV (contact)

IEC 61000-4-4 (EFT) 40A (5/50ns)

Filtering and termination for one USB port

Series resistors: 15

Low TVS operating voltage (5.25V)

Low leakage current

Small SC70-6L package

Solid-state technology

EIAJ SC70-6L package

RoHS/WEEE Compliant

Molding compound flammability rating: UL 94V-0

Marking : Marking Code

Packaging : Tape and Reel per EIA 481

USB Ports

Cellular Handsets

PDAs

Pagers

Digital Cameras

PC Peripherals

MP3 Players

D In/Out

SC70-6L (Top View)

and 33

BUS

) and data lines

www.semtech.com

D In/Out

Related parts for STF203-33.TC

STF203-33.TC Summary of contents

Page 1

... PROTECTION PRODUCTS PROTECTION PRODUCTS Description The STF203 is a combination EMI filter and line termination device with integrated TVS diodes for use on upstream USB ports constructed using a proprietary technology that allows passive components and TVS diodes to be integrated in the same package. ...

Page 2

... 2006 Semtech Corp. STF203-15 THRU STF203- ...

Page 3

... REF -12 dB -15 dB -18 dB - 100 MHz MHz MHz START . 030 MHz 2006 Semtech Corp. STF203-15 THRU STF203-33 CH1 -20.394 dB 800 MHz PRm 2: -15.035 dB 1.8 GHz 3: -14.781 dB 2.5 GHz GHz GHz START STOP 000 ...

Page 4

... D- line. Route the D- line from the connector to pin 1 of the STF203. Pin 6 is connected to the D- line of the IC. Route the D+ line from the connector to pin 3. Pin 4 is connected to the D+ line of the IC. Pin 5 is connected to the voltage supply line (V connected to ground ...

Page 5

... REFERENCE JEDEC STD MO-203, VARIATION AB. 4. Land Pattern - SC70 NOTES: 1. THIS LAND PATTERN IS FOR REFERENCE PURPOSES ONLY. CONSULT YOUR MANUFACTURING GROUP TO ENSURE YOUR COMPANY'S MANUFACTURING GUIDELINES ARE MET. 2006 Semtech Corp. STF203-15 THRU STF203-33 SEE DETAIL SIDE VIEW H c GAGE PLANE 0. (L1) A ...

Page 6

... XXX Note: XXX = Marking Code Contact Information 2006 Semtech Corp. STF203-15 THRU STF203-33 Ordering Information ...

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