STF201-30

更新时间： 2024-11-15 22:21:15

品牌	Logo	应用领域
商升特 - SEMTECH		电视
页数	文件大小	规格书
7页	218K
描述
USB Downstream Post Filter & TVS For EMI Filtering and ESD Protection

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中文翻译

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STF201-30 数据手册

STF201-22 & STF201-30

USB Downstream Port Filter & TVS

For EMI Filtering and ESD Protection

PROTECTION PRODUCTS

Features

Description

The STF201 is a combination EMI filter and line termi-

nation device with integrated TVS diodes for use on

downstream 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 downstream USB port. The STF201

is an easily implemented solution for meeting the

requirements of revision 1.1 of the Universal Serial Bus

specification.

u Bidirectional EMI/RFI filtering and line termination

with integrated ESD protection

u ESD protection for USB power (V_BUS) and data lines

(D+ & D-) to IEC 61000-4-2 Level 4

u Filtering and termination for two USB data lines

u Different series resistors for impedance matching

u Low TVS operating voltage (5.25V)

u Low leakage current

u Low capacitance

u Solid-state technology

USB line termination is achieved with series 22W or

30W 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 15kW

pull-down resistors complete the termination circuit on

each line. They are required by the USB specification

to identify the line as a downstream connection. The

47pF capacitors are used to bypass high frequency

energy to ground and for edge rate control of the USB

signals. Finally, the STF201 contains TVS diodes for

ESD protection of both (D+ & D-) data lines and the

voltage bus (V_BUS). The TVS diodes provide effective

suppression of ESD voltages in excess of 15kV (air

discharge) and 8kV (contact discharge) per IEC 61000-

4-2, level 4.

Mechanical Characteristics

u EIAJ SOT23-6L package

u Molding compound flammability rating: UL 94V-0

u Marking : Marking Code

u Packaging : Tape and Reel per EIA 481

Applications

u USB Hubs

u Portable electronics

u Printers

u Monitors

u Servers, Desktop, and Notebook computers

The small size and integrated feature of the STF201

minimizes required board space and increases system

reliability. The pin-out of the device allows easy imple-

mentation. The STF201 is suitable for use in USB

hubs, computers, peripherals, and portable devices.

Circuit Diagram

Schematic & Pin Configuration

S0T23-6L (Top View)

www.semtech.com

Revision 9/2000

12 3 4 5 6 7

中文翻译

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与STF201-30相关器件

型号	品牌	获取价格	描述	数据表
STF201-30.TC	SEMTECH	获取价格	USB Downstream Port Filter & TVS
STF201-30.TCT	SEMTECH	获取价格	USB Downstream Port Filter & TVS
STF201-30TC	SEMTECH	获取价格	USB Downstream Post Filter & TVS For EMI Filtering and ESD Protection
STF20150C	SMC	获取价格	SCHOTTKY RECTIFIER
STF20150CR	SMC	获取价格	SCHOTTKY RECTIFIER
STF202	ONSEMI	获取价格	USB Filter with ESD Protection
STF202.22.TC	SEMTECH	获取价格	Data Line Filter, 2 Function(s), 5.25V
STF202.22.TCT	SEMTECH	获取价格	Data Line Filter, 2 Function(s), 5.25V
STF202.30.TC	SEMTECH	获取价格	暂无描述
STF2020A-1000-BA102W	RCD	获取价格	PRECISION THIN FILM CHIP ARRAYS

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