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PDF EClamp2522P Data sheet ( Hoja de datos )
| Número de pieza | EClamp2522P | |
| Descripción | USB Upstream Port Filter and TVS | |
| Fabricantes | Semtech | |
| Logotipo |  |
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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
1 page  
PROTECTION PRODUCTS
Applications Information - Spice Model
Line In
22Ω
EClamp2522P
PRELIMINARY
Line Out
Vcc
D2
EClamp2522P Spice Model
2007 Semtech Corp.
EClamp2522P Spice Parameters
Parameter
Unit
D1
D2
IS
Amp
3.4E-15
3.4E-15
BV
Volt
7.546
7.594
VJ
Volt
0.753
0.753
RS
Ohm
0.649
0.441
IBV
Amp 1E-3
1E-3
CJO
Farad
17E-12
31E-12
TT
sec
2.541E-9
2.541E-9
M -- 0.24 0.26
N -- 1.1 1.1
EG eV 1.11 1.11
5
www.semtech.com
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet EClamp2522P.PDF ] | |
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