Document
USB Downstream Port Terminator PACUSB-D1/D2/D3
Features
• A low-capacitance USB downstream port terminator, EMI filter, and transient over-voltage (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
Product Description
The PACUS B-D1/D2/D3 is a single-channel USB downstream-port te rmination n etwork. It integrate s EMI/RFI filter components R1 a nd C1, as recommended by th e US B spe cification as well a s the re quired 15kW p ull-down resistors (R2) t o G ND. In addition, P ACUSB-D1/D2/D3 provides a very high level of protection for sensitive electronic components that ma y b e su bjected t o ele ctrostatic di scharge (ESD). The devi ce pins will safel y dissipate ESD strikes of +15kV, ex ceeding t he maximum requirements of the IEC 610 00-4-2 internatio nal standard. Using the MI L-STD-883D (Method 3015) specification for Human B ody Model (HBM) ES D, all pins are protected from contact discharges to +20kV. There a re th ree options f or the value of the seri es resistor R1: 15 Ω, 22 Ω, and 33 Ω. T his s eries resistance, plus the USB driver output resi stance, must b e close t o t he USB cabl e’s characteristic impedance of 45Ω (e ach side) to minimize transmission line reflections. The PACUS B-D1/D2/D3 i s man ufactured in a 5-pin SC70 or a 5-pin SOT23 package and is available with optional lead-free finishing..
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Applications
• • • • • ESD protection and termination of USB downstream ports Desktop PCs Notebooks Set-top boxes USB hubs
©2010 SCILLC. All rights reserved. June 2010 – Rev. 2
Publication Order Number: PACUSB-D1/D2/D3/D
http://www.Datasheet4U.com
PACUSB-D1/D2/D3
Electrical•Schematic
PIN DESCRIPTIONS
PINS 1 2 3 4 5 NAME D+ CNTR GND D- CNTR D- CONN D+ CONN DESCRIPTION D+ Data to the USB controller circuitry Ground Pin D- Data to the USB controller circuitry D- Data to the USB connector D+ Data to the USB connector
Rev. 2 | Page 2 of 10 | www.onsemi.com
PACUSB-D1/D2/D3
Ordering Information
PART NUMBERING INFORMATION
Standard Finish Pins 5 R1 Value 15 Ω 22 Ω 33 Ω 5 15 Ω 22 Ω 33 Ω SC70-5 Package SOT23-5 Ordering Part Number1 PACUSB-D2Y5 PACUSB-D3Y5 PACUSB-D1Y5 PACUSB-D2YB5 PACUSB-D3YB5 PACUSB-D1YB5 Lead-free Finish Ordering Part Number1 5R 5R 5R DF1R B5R B5R B5R F1R F2R F3R
Part Marking
Part Marking DF2R DF3R
UDF2 PACUSB-D2Y UDF3 PACUSB-D3Y UDF1 PACUSB-D1Y DF2 PACUSB-D2Y DF3 PACUSB-D3Y DF1 PACUSB-D1Y
Note 1: Parts are shipped in Tape & Reel form unless otherwise specified.
Specifications
ABSOLUTE MAXIMUM RATINGS
PARAMETER Storage Temperature Range Power Dissipation.