Datasheet > PACUSB-D2

PACUSB-D2

更新时间： 2024-09-14 05:59:27

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
10页	239K
描述
USB Downstream Port Terminator

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数据手册

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PACUSB-D2 数据手册

USB Downstream Port Terminator

PACUSB-D1/D2/D3

Features

Product Description

•

A low-capacitance USB downstream port

terminator, EMI filter, and transient over-voltage

The PACUSB-D1/D2/D3 is a single-channel USB

downstream-port termination network. It integrates

EMI/RFI filter components R1 and C1, as

recommended by the USB specification as well as

the required 15kW pull-down resistors (R2) to GND.

In addition, PACUSB-D1/D2/D3 provides a very high

level of protection for sensitive electronic components

that may be subjected to electrostatic discharge

(ESD). The device pins will safely dissipate ESD

strikes of +15kV, exceeding the maximum

requirements of the IEC 61000-4-2 international

standard. Using the MIL-STD-883D (Method 3015)

specification for Human Body Model (HBM) ESD, all

pins are protected from contact discharges to +20kV.

(ESD) protector in a single surface-mounted

package

ESD protection to +20kV contact discharge, per

MIL-STD-883D, Method 3015

ESD protection to +15kV contact discharge, per

IEC 61000-4-2 International Standard

Compact SOT23-5 and SC70-5 package options

save board space and lower manufacturing costs

compared to discrete solutions

Capacitors matched to a precision exceeding the

USB specification

Pin-compatible with ST Microelectronics

USBDFxxW5 USB Downstream Port Terminator

Lead-free versions available

•

There are three options for the value of the series

Applications

resistor R1: 15Ω, 22Ω, and 33Ω.

This series

resistance, plus the USB driver output resistance,

must be close to the USB cable’s characteristic

impedance of 45Ω (each side) to minimize

transmission line reflections.

•

ESD protection and termination of USB

downstream ports

Desktop PCs

•

Notebooks

Set-top boxes

USB hubs

The PACUSB-D1/D2/D3 is manufactured in a 5-pin

SC70 or a 5-pin SOT23 package and is available with

optional lead-free finishing..

June 2010 – Rev. 2

Publication Order Number:

PACUSB-D1/D2/D3/D

12 3 4 5 6 7...10

中文翻译

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