MAX6497ATA+T

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Voltage - Clamping:	--
Technology:	Mixed Technology
Number of Circuits:	1
Applications:	General Purpose
Mounting Type:	Surface Mount
Package / Case:	8-WDFN Exposed Pad
Supplier Device Package:	8-TDFN-EP (3x3)

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Introduction

MAX6497ATA+T is a new type of mixed-technology transverse voltage suppressor (TVS), combining silicon avalanche diode (SAD) and a metal-oxide varistor (MOV), to provide a high-performance protection. The MAX6497ATA+T is designed to protect a wide variety of consumer and industrial electronic applications against transient overvoltages, such as electrostatic discharges (ESD), electrical fast transients (EFT), and lightning induced surges.This new mixed technology provides a simple and cost effective solution in many cases. Compared to a single TVS Silicon Avalanche Diode (SAD), the MOV layer provides an additional continuous clamping, allowing a very fast response time as well as higher protection levels than SAD only devices. This makes the device an ideal choice for highly sensitive I/O applications, such as digital signal lines, mobile phone, and PC interfaces.

Appliction Field

The MAX6497ATA+T is designed to protect systems from transient events, such as ESD, EFT and lightning. The device is suitable for a wide variety of applications, such as: - Portable applications, such as mobile phones and tablet computers - Automobile electronics, such as electronic control units (ECU), anti-theft devices, immobilizers, and sensors - Home appliances, such as microwave ovens and TVs - Computer systems and networking equipment - Industrial applications, such as programmable logic controllers (PLC) and control systems

Working Principle

The MAX6497ATA+T provides excellent protection through its mixed-technology construction, consisting of a Silicon Avalanche Diode (SAD) and a Metal-Oxide Varistor (MOV). This construction provides both high speed clipping and continuous clamping of transients, which makes it an ideal choice for a variety of consumer and industrial applications. When a transient surge is applied to the device, the SAD quickly responds and begins to absorb the energy, while the MOV provides continuous clamping to protect the circuitry. The SAD quickly dissipates the energy and returns the protection devices to their nominal state once the transient surge ends. The protection of the MAX6497ATA+T is further enhanced by its low capacitance, thus reducing signal distortion on sensitive data lines and allowing for fast data communication.

Conclusion

The MAX6497ATA+T is a new type of mixed-technology transverse voltage suppressor that combines silicon avalanche diode (SAD) and a metal-oxide varistor (MOV) for high performance protection. It is ideal for a wide variety of consumer and industrial electronic applications, providing both high speed clipping and continuous clamping of transients. The device features low capacitance and is suitable for sensitive data lines, allowing for fast data communication.

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