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PDF PACUSBVB-D1Y6R Datasheet ( Hoja de datos )

Número de pieza PACUSBVB-D1Y6R
Descripción USB Downstream Port Terminator
Fabricantes ON Semiconductor 
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PACUSBVB-D1Y6R Hoja de datos, Descripción, Manual
PACUSBVB
USB Downstream Port
Terminator with VBUS ESD
Protection
Product Description
The PACUSBVBD1 is a singlechannel USB downstreamport
termination network. It integrates EMI/RFI filter components R1 and
C1 as recommended by the USB specification, as well as the required
15 kW pulldown resistors (R2) to GND. In addition,
PACUSBVBD1 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 15 kV,
exceeding the maximum requirements of the IEC 6100042
international standard. Using the MILSTD883D (Method 3015)
specification for Human Body Model (HBM) ESD, all pins are
protected from contact discharges to 20 kV.
The PACUSBVBD1 also features a fifth zener diode (cathode at
pin 5) which provides ESD protection for the USB VBUS line.
There are three options for the value of the series resistor R1: 15 W,
33 W, and 22 W. This series resistance, plus the USB driver output
resistance, must be close to the USB cable’s characteristic impedance
of 45 W (each side) to minimize transmission line reflections.
The PACUSBVBD1 is housed in a 6pin SOT23 package and is
available with optional leadfree finishing.
Features
A LowCapacitance USB Downstream Port Terminator, EMI
Filter, and Transient OverVoltage Protector in a Single
SurfaceMounted Package
ESD Protection to 20 kV Contact Discharge, per
MILSTD883D, Method 3015
ESD Protection to 15 kV Contact Discharge, per IEC 6100042
International Standard
Provides ESD Protection for the VBUS Line
Compact SOT236 Package Saves Board Space and Lowers
Manufacturing Costs Compared to Discrete Solutions
Capacitors Matched to a Precision Exceeding the USB
Specification
These Devices are PbFree and are RoHS Compliant
Applications
ESD Protection and Termination of USB Downstream Ports
Desktop PCs
Notebooks
SetTop Boxes
USB Hubs
http://onsemi.com
1
2
GND
3
SOT236
CASE 527AJ
ELECTRICAL SCHEMATIC
R1
C1 R2
C1 R2
R1
MARKING DIAGRAM
6
5
VBUS
4
UD1R
UD1R = PACUSBVBD1Y6R
ORDERING INFORMATION
Device
Package Shipping
PACUSBVBD1Y6R SOT236 3000/Tape & Reel
(PbFree)
†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.
Semiconductor Components Industries, LLC, 2011
October, 2011 Rev. 3
1
Publication Order Number:
PACUSBVB/D

1 page

PACUSBVB-D1Y6R pdf
PACUSBVB
APPLICATION INFORMATION
The PACUSBVBD1 provides a complete interface for a single downstream USB port typically found in computers and
USB hubs. It integrates the series resistors (R1) and the 15 kW pulldown resistors (R2) for both USB data lines (D+ and D)
as well as the capacitors to ground for EMI suppression. Zener diodes provide ESD protection up to 15 kV contact discharge
per the IEC 6100042 standard and protect the USB controller on both data lines. The 6lead PACUSBVBD1 device
provides an additional zener diode to protect the VBUS USB power line.
The PACUSBVBD1 should be placed on the PCB between the USB controller and the USB connector, as shown on the
Connection Diagram, Figure 3.
D+
USB
Controller
PACUSBVBDnY6R
1
R1
C1 R2
2
C1 R2
6 D+
Downstream
USB
Connector
5 VBUS
D3
4 D
R1
Figure 3. Connection Diagram for PACUSBVBD1
To guarantee the best ESD and filtering performance, it is recommended that the PACUSBVBD1 be located close to the
USB connector. Also, the trace lengths between the PACUSBVBD1 and the USB controller should be kept as short as
possible.
http://onsemi.com
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