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EClamp2394P Schematic ( PDF Datasheet ) - Semtech

Teilenummer EClamp2394P
Beschreibung ESD/EMI Protection
Hersteller Semtech
Logo Semtech Logo 




Gesamt 8 Seiten
EClamp2394P Datasheet, Funktion
PROTECTION PRODUCTS - EMIClampTM
Description
The EClampTM2394P is a (L-C) low pass filter array with
integrated TVS diodes. It is designed to suppress
unwanted EMI/RFI signals and provide electrostatic
discharge (ESD) protection in portable electronic
equipment. This state-of-the-art device utilizes solid-
state silicon-avalanche technology for superior clamp-
ing performance and DC electrical characteristics.
They have been optimized for protection of color
LCD and camera lines in cellular phones and other
portable electronics.
The device consists of four identical circuits comprised
of TVS diodes for ESD protection, and a 5-pole induc-
tor - capacitor network for EMI/RFI filtering. A typical
inductor value of 19nH and a capacitor value of 12pF
are used to achieve 30dB minimum attenuation from
800MHz to 2.7GHz. The TVS diodes provide effective
suppression of ESD voltages in excess of ±15kV (air
discharge) and ±8kV (contact discharge) per IEC
61000-4-2, level 4.
The EClamp2394P is in a 8-pin, RoHS/WEEE compli-
ant, SLP2116P8 package. It measures 2.1 x 1.6 x
0.58mm. The leads are spaced at a pitch of 0.5mm
and are finished with lead-free NiPd. The small pack-
age makes it ideal for use in portable electronics such
as cell phones, digital still cameras, and PDAs.
Features
EClamp2394P
ESD/EMI Protection
for Color LCD Interfaces
PRELIMINARY
‹ Bidirectional EMI/RFI filter with integrated TVS
for ESD protection
‹ ESD protection to IEC 61000-4-2 (ESD) Level 4,
±15kV (air), ±8kV (contact)
‹ Filter performance: 30dB minimum attenuation
800MHz to 2.7GHz
‹ TVS working voltage: 5V
‹ Inductor: 19nH (Typical)
‹ Capacitors: 12pF (Typical at VR = 2.5V)
‹ Protection and filtering for four lines
‹ Solid-state technology
Mechanical Characteristics
‹ SLP2116P8 8-pin package
‹ RoHS/WEEE Compliant
‹ Nominal Dimensions: 2.1 x 1.6 x 0.58 mm
‹ Lead Pitch: 0.5mm
‹ Lead finish: NiPd
‹ Marking: Marking Code
‹ Packaging: Tape and Reel per EIA 481
Applications
‹ Color LCD Protection
‹ Cell Phone CCD Camera Lines
‹ Clamshell Cell Phones
Circuit Diagram (Each Line)
Package Configuration
L1 L2
IN
C1 C2
C3
OUT
GND
2.10
12
1.60
0.50 BSC
0.58
Device Schematic (4X)
Revision 2/23/2006
8 Pin SLP package (Bottom Side View)
Nominal Dimensions in mm
1 www.semtech.com






EClamp2394P Datasheet, Funktion
PROTECTION PRODUCTS
Applications Information - Spice Model
EClamp2394P
PRELIMINARY
Line In
0.5nH
L
38nH
0.5nH
Line Out
2006 Semtech Corp.
Figure 1 - EClamp2394P Spice Model
Table 1 - EClamp2394P Spice Parameters
Parameter
Unit
D1 (TVS)
D2 (TVS)
IS Amp 4.09E-15 4.09E-15
BV Volt 7.435 7.435
VJ
Volt
0.743
0.743
RS
Ohm
0.584
0.584
IBV
Amp 1E-3
1E-3
CJO
Farad
31.3E-12
31.3E-12
TT sec 2.541E-9 2.541E-9
M -- 0.23 0.23
N -- 1.1 1.1
EG eV 1.11 1.11
6
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