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PACUSB-U2Y6R Datasheet(PDF) 1 Page - ON Semiconductor

Part No. PACUSB-U2Y6R
Description  Upstream USB Port Terminator
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

PACUSB-U2Y6R Datasheet(HTML) 1 Page - ON Semiconductor

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 Semiconductor Components Industries, LLC, 2011
October, 2011 − Rev. 3
1
Publication Order Number:
PACUSBU−S/D
PACUSBU-S
Upstream USB Port
Terminator
Product Description
The PACUSB−U1, PACUSB−U2, and PACUSB−U3 are
single−channel USB upstream−port termination networks.
The PACUSB−U1/U2/U3 integrate EMI/RFI filter components R1
and C1, as recommended by the USB specification. Because these are
upstream USB devices, they are terminated with a single 1.5 k
W
pull−up resistor to V3.3 (R2).
There are three options for the value of the series resistor R1:
For PACUSB−U1, R1 = 15 W
For PACUSB−U2, R1 = 33 W
For PACUSB−U3, R1 = 22 W
This series resistance plus the USB driver output resistance must be
close to the USB cable’s characteristic impedance of 45
W (90 W
balanced) to minimize transmission line reflections.
In addition, these parts provide a very high level of protection for
sensitive electronic components that may be subjected to electrostatic
discharge (ESD). The input and output pins are designed and
characterized to dissipate ESD strikes of 15 kV safely, a level well
beyond the maximum requirements of free finishing.
Features
One Upstream USB Port Terminator, EMI Filter and Transient
Overvoltage Protector in a Single Surface−Mount Package
Compact SC70 or SOT23 Package Saves Board Space and
Lowers Manufacturing Costs Compared to Discrete Solutions
ESD Protection to 30 kV Contact Discharge per
MIL−STD−883D, Method 3015
ESD Protection to 15 kV Contact Discharge per IEC 61000−4−2
International Standard
These Devices are Pb−Free and are RoHS Compliant
Applications
ESD Protection and Termination of USB Port
All USB Peripherals (PC Printers, Scanners, Zip Drives, etc.)
PDAs/Handheld PCs
Digital Cameras
Wireless Handsets
MP3 Players
Cable Modems
http://onsemi.com
MARKING DIAGRAM
Device
Package
Shipping
ORDERING INFORMATION
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
PACUSB−U2Y6R
SOT23−6
(Pb−Free)
3000/Tape & Reel
ELECTRICAL SCHEMATIC
1
2
4
6
R1
3
R1
R2
C1
C1
GND
PACUSB−U3Y6R
SOT23−6
(Pb−Free)
3000/Tape & Reel
PACUSB−U1R
SC70−6
(Pb−Free)
3000/Tape & Reel
PACUSB−U2R
SC70−6
(Pb−Free)
3000/Tape & Reel
PACUSB−U3R
SC70−6
(Pb−Free)
3000/Tape & Reel
UxYR
UxYR
= Specific Device Code
UxR
= Specific Device Code
x
= 1, 2, 3
UxR
5
D1_i
D2_i
V3.3
D1_c
D2_c
i = input; c = connector
SOT23−6
CASE 527AJ
SC70−6
CASE 419AD


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