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  Microsemi Electronic Components Datasheet  

LX7201 Datasheet

EMI Filter and ESD Protection

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INTEGRATED PRODUCTS
LX7201-xx
www.DataSheet4U.com
EMI Filter & ESD Protection for Down Stream
USB Ports
PRODUCTION DATA SHEET
DESCRIPTION
The LX7201 is an integrated The 47 pF capacitor completes the
Universal Serial Bus (USB) line high frequency filter and controls the
termination device with an EMI filter edge rate of the USB signals. The
and ESD protection diodes. This LX7201 protects both D+ and D- data
device offers a cost effective and lines and the voltage bus from ESD.
compact solution for one USB The TVS protection diodes exceed the
downstream port.
The USB requirements of IEC61000-4-2, level 4,
specification requires line termination 15kV (air discharge) and 8kV (contact
resistors on both the D+ and D- lines. discharge). The integrated configuration
These resistors ensure signal integrity of the LX7201 minimizes board space
by matching the cable impedance to and allows for ideal placement near the
that of the differential driver. The connector. The LX7201 is ideal for use
15Kpull-down resistors identify the in USB hubs, peripherals and portable
line as a downstream connection.
appliances.
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
TJ (°C)
-40 to 125
-40 to 125
PACKAGE ORDER INFO
Plastic
Package Tape & Reel Quantity
SF 6-Pin SOT23 Marking (Reel Size)
LX7201-15ISF
LX7201-22ISF
115
122
3K (7inches)
Note: Append the letter “T” to the part number
For Tape & Reel Ordering
KEY FEATURES
ƒ Bi-directional EMI/RFI Low-Pass
Filter
ƒ Line Termination with Integrated
ESD Protection
ƒ Low TVS Operating Voltage
(5.25V)
ƒ Low Leakage Current
ƒ Integrated Single Die
Construction
ƒ Available With 15 or 22Series
Resistance
ƒ Crosses from Semtech STF201
APPLICATIONS
ƒ USB 1.1 and USB 2.0 Full
Speed Compliant
ƒ Peripherals
ƒ Printers
ƒ Monitors
ƒ Servers, Desktops and
Notebook Computers
ƒ Digital Cameras
BENEFITS
ƒ Filter response characterized up
to 6 GHz
ƒ <2dB insertion loss in the pass
band
ƒ >20dB attenuation in the 800-
900 MHz range
ƒ >12dB attenuation in the WLAN
frequencies of 2.4GHz and 5.0-
6.0 GHz
PRODUCT HIGHLIGHT
Circuit Diagram
Functional Schematic with Pin Out
Copyright © 2002
Rev. 1.0d, 2005-02-07
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 1


  Microsemi Electronic Components Datasheet  

LX7201 Datasheet

EMI Filter and ESD Protection

No Preview Available !

INTEGRATED PRODUCTS
LX7201-xx
www.DataSheet4U.com
EMI Filter & ESD Protection for Down Stream
USB Ports
PRODUCTION DATA SHEET
ABSOLUTE MAXIMUM RATINGS
Steady State Power .............................................................................100mW
ESD Air Discharge per IEC61000-4-2....................................................16kV
ESD Contact Discharge per IEC61000-4-2 ............................................10kV
Lead Soldering Temperature (10 Seconds) .......................................... 260°C
Operating Temperature .........................................................-40°C to +125°C
Storage Temperature Range..................................................-55°C to +150°C
Note: Exceeding these ratings could cause damage to the device. All voltages are with
respect to Ground. Currents are positive into, negative out of specified terminal.
THERMAL DATA
SF Plastic SOT23 6-Pin
THERMAL RESISTANCE-JUNCTION TO CASE, θJC
THERMAL RESISTANCE-JUNCTION TO AMBIENT, θJA
62 °C/W
96 °C/W
Junction Temperature Calculation: TJ = TA + (PD x θJA).
The θJA numbers are guidelines for the thermal performance of the device/pc-board system. All
of the above assume no ambient airflow.
PACKAGE PIN OUT
VBUS 1
DIN 2
DIN 3
6 GND
5 DOUT
4 DOUT
SF PACKAGE
(Top View)
Name
VBUS
DIN
GND
DOUT
Bus Voltage
Data In
Ground
Data Out
FUNCTIONAL PIN DESCRIPTION
Description
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, the following specifications apply over the operating ambient temperature -40°C TA +125°C except where
otherwise noted.
Parameter
Stand-Off Voltage
Breakdown Voltage
Leakage Current
Series Resistance (-15)
Series Resistance (-22)
Temperature Coefficient of RS
Pull Down Resistance
Capacitor
Total Capacitance
Symbol
Test Conditions
VRWM
VBR
IR
RS
RS
TCOEFF
RPD
C
CTOT
IR = 1mA
VRWM = 5.25V, T = 25°C
Each Line
Each Line
Each Line
Each Line
Each Line
Between I/O Pins and Ground, Each Device
VR = 0V, f = 1MHz
LX7201-xx
Min Typ Max
5.25
6
1
13.5 15 16.5
19.8 22 24.2
200
13.5 15 16.5
47
54 60 66
Units
V
V
µA
ppm
K
pF
pF
Copyright © 2002
Rev. 1.0d, 2005-02-07
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 2


Part Number LX7201
Description EMI Filter and ESD Protection
Maker Microsemi Corporation
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