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EClamp2522P Datasheet
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Part EClamp2522P
Description USB Upstream Port Filter and TVS
Feature EClamp2522P; EClamp2522P USB Upstream Port Filter and TVS For EMI Filtering and ESD Protection PROTECTION PRODUC.
Manufacture Semtech
Datasheet
Download EClamp2522P Datasheet




Semtech EClamp2522P
EClamp2522P
USB Upstream Port Filter and TVS
For EMI Filtering and ESD Protection
PROTECTION PRODUCTS - EMIClampTM
Description
Features
PRELIMINARY
The EClampTM2522P is an easily implemented solution
for protection and termination of low speed or full
speed Universal Serial Bus (USB) ports. Each device will
provide termination, filtering, and ESD protection for
one upstream USB port on cellular phones and other
portable electronics. This state-of-the-art device utilizes
solid-state silicon-avalanche technology for superior
clamping performance and electrical characteristics.
Line termination is achieved with 22 Ohm series
resistors on both the D+ and D- USB lines. TVS diodes
are also included on each data line for ESD protection
in excess of ±15kV (air discharge) and ±8kV (contact
discharge) per IEC 61000-4-2, level 4. An additional
TVS diode connection is included for protection of the
voltage (VBus) bus. The 1.5k Ohm pull-up resistor is
included on one of the USB data lines to identify the
equipment as either a full-speed (connected to D+ line)
or low-speed (connected to D- line) device.
The EClamp2522P is in a 6-pin, RoHS compliant,
SLP1616P6 package. It measures 1.6 x 1.6 x
0.60mm. The leads are spaced at a pitch of 0.5mm
and are finished with lead-free NiPdAu. The small
package makes it ideal for use in portable electronics
such as cell phones and digital still cameras.
‹ Bidirectional EMI/RFI filter with integrated TVS
for ESD protection
‹ ESD protection to IEC 61000-4-2 (ESD) Level 4,
±15kV (air), ±8kV (contact)
‹ TVS working voltage: 5.25V
‹ Termination Resistor: 22 Ohms
‹ Capacitance: 45pF (Max at VR = 0V)
‹ Protection and filtering for one USB port
‹ Solid-state technology
Mechanical Characteristics
‹ SLP1616P6 6L package
‹ RoHS/WEEE Compliant
‹ Nominal Dimensions: 1.6 x 1.6 x 0.60 mm
‹ Lead Finish: NiPdAu
‹ Molding compound flammability rating: UL 94V-0
‹ Marking : Marking code + date code
‹ Packaging : Tape and Reel per EIA 481
Applications
‹ USB Ports
‹ Cellular Handsets
‹ PDAs
‹ PC Peripherals
‹ MP3 Players
Circuit Diagram
Pin Configuration
1
2
GND
3
22
20pF 20pF
20pF 20pF
22
Revision 07/29/2007
6
1.5k
5 VBus 1 6 Vterm R
DM In 2 Gnd 5 DM Out
DP In 3
4 DP Out
4
1
SLP1616P6 (Top View)
www.semtech.com



Semtech EClamp2522P
PROTECTION PRODUCTS
Maximum Ratings
Rating
ESD per IEC 61000-4-2 (Air)
ESD per IEC 61000-4-2 (Contact)
Junction Temperature
Operating Temperature
Storage Temperature
Electrical Characteristics (T=25oC)
Symbol
VESD
TJ
Top
TSTG
EClamp2522P
PRELIMINARY
Value
+/- 17
+/- 12
125
-40 to +85
-55 to +150
Units
kV
oC
oC
oC
Parameter
TVS Reverse Stand-Off Voltage
TVS Reverse Breakdown Voltage
TVS Reverse Leakage Current
TVS Reverse Leakage Current
Series Resistance
Pull Up Resistance
Total Capacitance
Symbol
VRWM
VBR
IR
IR
RS
RPU
CTOT
Conditions
Pin 1 to GND
Pin 1 to GND
It = 1mA
VRWM= 5.5V
Between data
(D+, D-) pin and Ground
Each Line
Each Line
Pin 1, 2 or 3 to GND
VR = 0V, f = 1MHz
Minimum Typical
6 7.5
20 22
1.35 1.5
30 40
Maximum
5.5
9
1
1
24
1.65
45
Units
V
V
µA
µA
Ohms
kOhms
pF
2007 Semtech Corp.
2
www.semtech.com



Semtech EClamp2522P
PROTECTION PRODUCTS
Typical Characteristics
Typical Insertion Loss S21
CH1 S21 LOG 6 dB / REF 0 dB
0 dB
-6 dB
-12 dB
-18 dB
-24 dB
-30 dB
-36 dB
1: -4.7448 dB
163.291 MHz
2: -19.581 dB
800.00 MHz
3: -21.137 dB
1 900.00 MHz
5 4: -17.702 dB
1.800 GHz
4
2 5: -15.929 dB
3 2.500 GHz
-42 dB
-48 dB
1
MHz
START. 030 MHz
10
MHz
100
MHz
13
GHz GHz
STOP 3000.000000 MHz
ESD Clamping (+8kV Contact)
EClamp2522P
PRELIMINARY
Analog Crosstalk (Each Line)
CH1 S21 LOG 20 dB /REF 0 dB
START. 030 MHz
STOP 3000.000000 MHz
ESD Clamping (-8kV Contact)
Note: Data is taken with a 10x attenuator
Normalized Capacitance vs. Reverse Voltage
1.1
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
f = 1 MHz
1234
Reverse Voltage - VR (V)
5
2007 Semtech Corp.
Note: Data is taken with a 10x attenuator
3 www.semtech.com







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