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  Microsemi Electronic Components Datasheet  

LX7202 Datasheet

EMI Filter and ESD Protection

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INTEGRATED PRODUCTS
LX7202-xx
www.DataSheet4U.com
EMI Filter & ESD Protection for Up Stream USB
Ports
PRODUCTION DATA SHEET
DESCRIPTION
The LX7202 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 LX7202 protects both D+ and D- data
device offers a cost effective and lines and the voltage bus from ESD. The
compact solution for one USB TVS protection diodes exceed the
upstream port. The USB specification requirements of IEC61000-4-2, level 4,
requires line termination resistors on 15kV (air discharge) and 8kV (contact
both the D+ and D- lines. These discharge).The integrated configuration
resistors ensure signal integrity by of the LX7202 minimizes board space
matching the cable impedance to that and allows for ideal placement near the
of the differential driver. The 1.5 kconnector. The LX7202 is ideal for use
pull-up resistor identifies the in USB hubs, peripherals and portable
appropriate data line for full speed or appliances.
low speed operation.
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)
LX7202-15ISF
LX7202-22ISF
215
222
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 STF202
APPLICATIONS
ƒ USB 1.1 and USB 2.0 Full
Speed Compliant
ƒ Peripherals
ƒ Computers and Printers
ƒ Mobile phones
ƒ Pagers and PDA’s
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
D in
from
connector
1.5K
VBUS
1
D in
from
connector
PRODUCT HIGHLIGHT
Rs
47pF
47pF
Rs
Circuit Diagram
D out
to IC
6
D out
to IC
VBUS 1
RPU
C
6 GND
frDoImN
connector
2
RS
C
5
frDoImN 3
4
connector
RS
Functional Schematic with PinOut
DtoOIUCT
DtoOIUCT
Copyright © 2002
Rev. 1.0c, 2005-01-28
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 1


  Microsemi Electronic Components Datasheet  

LX7202 Datasheet

EMI Filter and ESD Protection

No Preview Available !

INTEGRATED PRODUCTS
LX7202-xx
www.DataSheet4U.com
EMI Filter & ESD Protection for Up 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.
PACKAGE PIN OUT
VBUS 1
DIN
from
connector
DIN
from
connector
2
3
6 GND
5 DOUT
to IC
4 DOUT
to IC
SF PACKAGE
(Top View)
THERMAL DATA
SF Plastic SOT-23 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.
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 Up Resistance
Capacitor
Total Capacitance
Symbol
VRWM
VBR
IR
RS
RS
TCOEFF
RPU
C
CTOT
Test Conditions
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
LX7202-xx
Min Typ Max
5.25
6
1
13.5 15 16.5
19.8 22 24.2
200
1.35 1.5 1.65
47
54 60 66
Units
V
V
µA
ppm
K
pF
pF
Copyright © 2002
Rev. 1.0c, 2005-01-28
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 2


Part Number LX7202
Description EMI Filter and ESD Protection
Maker Microsemi Corporation
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