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ECLAMP2357N

Part Number	ECLAMP2357N
Manufacturer	Semtech
Description	EMI Filter and ESD Protection
Published	Aug 13, 2010
Detailed Description	EMI Filter and ESD Protection for Secure Digital Card Interfaces www.DataSheet4U.com EClamp2357N PRELIMINARY PROTECTIO...
Datasheet	ECLAMP2357N PDF File

Overview

EMI Filter and ESD Protection for Secure Digital Card Interfaces www.
DataSheet4U.
com EClamp2357N PRELIMINARY PROTECTION PRODUCTS - EMIClampTM Description The EClamp 2357N is a 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.
They have been optimized for protection of touch screen displays, secure digital (SD) card interfaces, and color LCD panels in cellular phones and other portable electronics.
TM Features EMI/RFI filter with integrated ESD protection ESD protection to IEC 61000-4-2 (ESD) Level4, ±15kV (air), ±8kV (contact) Filter performance: >30dB attenuation at 1.
8GHz TVS working voltage: 5V Resistor: 100Ω +/− 15% Component Capacitance: 10pF (VR = 0V) EMI & ESD protection for six lines Dedicated ESD protection for four lines Solid-state technology 16 pin QFN RoHS/WEEE Compliant Nominal Dimensions: 3.
0 x 3.
0 x 1.
0 mm Lead Pitch: 0.
5mm Lead Finish: Matte Tin Marking: Marking Code Packaging: Tape and Reel per EIA 481 Touch Screen Display Interfaces Secure Digital (SD) Memory Card Interfaces Multimedia Card Interfaces (MCI) Color LCD Panel Protection Cell Phone Handsets and Accessories The device consists of six pi filter circuits comprised of TVS diodes for ESD protection, and a resistor capacitor network for EMI/RFI filtering.
A series resistor value of 100Ω and a component capacitance value of 10pF are used to achieve 20dB minimum attenuation from 1.
0GHz to 3GHz.
The device also includes 4 discrete TVS diodes for dedicated ESD protection.
All of 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.
Mechanical Characteristics Applications PIN Configuration 100 Ω Package Configuration OUT IN 10pF 10pF 16 1 GND R = 100Ω, C=10pF (max) 6X IN/OUT IN/OUT GND 5V TVS 2X Revision 05...

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