ADG465BRM-REEL7

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ADG465BRM-REEL7 Application Field and Working Principle

by Elemming T.

The ADG465BRM-REEL7 is a mixed technology TVS (Transient Voltage Suppressor) device that offers protection against ESD (Electrostatic discharge) and EFT (Electric Fast Transient) electrical surges. The TVS technology combines both silicon based components and high voltage multilayer ceramic capacitors (MLCC) to achieve its unique performance. The ADG465BRM-REEL7 is a Bi-directional protection device, which means the device has an integrated two-way protection circuitry. The ADG465BRM-REEL7 provides both isolation and discharge protection from each line.

Field of Application
The ADG465BRM-REEL7 is ideally suited for use in telecom, datacom, industrial & automotive type applications. This device is an ideal solution for protecting equipment from damages caused by surge voltages, such as lightning, electrical spikes, and switching transients. This device also works to protect sensitive equipment from static charges generated due to contact with objects such as table and counter tops.

Working Principle
The working principle of the device is to first shape the fast rising voltage waveform. This is achieved by providing a low inductance connection between the protection circuitry and the protected equipment. The ADG465BRM-REEL7 then dissipates the energy from the inrush current away from the protected equipment. The internal structure of the device is composed of two elements. The silicon diode element provides the voltage limiting function while the MLCC provides the capacitive element to absorb the high frequency transients.

The silicon diode element of the device is responsible for the voltage limiting function and is linked to the protected application by a polymeric leaded chip carrier (PLCC) package. The PLCC provides a low inductance connection and allows for a fast response to fast rising voltage waveforms. The MLCC element of the device acts to dissipate the absorbed energy by providing a capacitive element that routes the energy away from the equipment.

The ADG465BRM-REEL7 has an integrated network of diodes and resistors, which is designed to provide protection from both ESD and EFT transients. The integrated network helps to limit the transient voltage spikes, allowing them to be safely discharged away from the equipment. The ADG465BRM-REEL7 is designed to handle both AC and DC transients up to 500V peak, with a maximum surge capability of 2.5kV.

The ADG465BRM-REEL7 is an ideal protection solution for equipment that is exposed to a wide range of transient voltages. The device is designed to provide a fast response to fast rising voltage waveforms, as well as dissipate the energy away from the protected equipment. The ADG465BRM-REEL7 is an effective Bi-directional protection device that can provide both isolation and discharge protection from both ESD and EFT transients up to a maximum surge voltage of 2.5kV.

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