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UM4411

Union Semiconductor
Part Number UM4411
Manufacturer Union Semiconductor
Description 4 Line ESD/EMI Protection
Published Jan 14, 2019
Detailed Description UM4411 4 Line ESD/EMI Protection for Color LCD Interfaces UM4411 DFN8 1.7×1.3 General Description The UM4411 is a low p...
Datasheet PDF File UM4411 PDF File

UM4411
UM4411

Overview
UM4411 4 Line ESD/EMI Protection for Color LCD Interfaces UM4411 DFN8 1.
7×1.
3 General Description The UM4411 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.
This state-of-the-art device utilizes silicon-avalanche technology for superior clamping performance and DC electrical characteristics.
It has been optimized for protection of color LCD panels in cellular phones and other portable electronics.
The device consists of four identical circuits comprised of TVS diodes for ESD protection, and a RC network for EMI filtering.
A series resistor value of 100Ω and a capacitance value of 10pF are used to achieve 25dB minimum attenuation from 800 MHz to 2.
5GHz.
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 UM4411 is in an 8-pin, RoHS co...


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