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UM8511 - Multi-Line ESD/EMI Protections

Datasheet Summary

Description

The UM8511 is a (L-C) low pass filter array with integrated TVS diodes.

It is designed to suppress unwanted EMI signals and provide electrostatic discharge (ESD) protection in portable electronic equipment.

Features

  • z Bidirectional EMI Filter with Integrated TVS for ESD Protection z ESD Protection to IEC 61000-4-2 (ESD) Level 4, ±15kV (Air), ±8kV (Contact) z Filter Performance: 19dB Minimum Attenuation from 800MHz to 2.7GHz z TVS Working Voltage: 5V z Inductor: 17nH (Typical) z Capacitors: 12pF (Typical at VR=2.5V) z Protection and Filtering for Multi Lines UM8511: Eight Lines Ordering Information Part Number UM8511 Working Voltage 5.0V Packaging Type Channel DFN16 3.3×1.3 8 Marking Code 8511 Shipp.

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Datasheet Details

Part number UM8511
Manufacturer UniON Semiconductor
File Size 255.14 KB
Description Multi-Line ESD/EMI Protections
Datasheet download datasheet UM8511 Datasheet
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Full PDF Text Transcription

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UM8511 Multi-Line ESD/EMI Protections for Signal Lines UM8511 DFN16 3.3×1.3 General Description The UM8511 is a (L-C) low pass filter array with integrated TVS diodes. It is designed to suppress unwanted EMI signals and provide electrostatic discharge (ESD) protection in portable electronic equipment. This device utilizes solid-state silicon-avalanche technology for superior clamping performance and DC electrical characteristics. It has been optimized for protection of signal lines in cellular phones and other portable electronics. The device consists of identical circuits comprised of TVS diodes for ESD protection, and a C-L-C network for EMI filtering. A typical inductor value of 17nH and a capacitor value of 12pF are used to achieve 19dB minimum attenuation from 800MHz to 2.7GHz.
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