MAX14984ETG+T Circuit Protection

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MAX14984ETG+T is a surge suppression integrated circuit designed to provide protection in both residential and industrial settings. This Surge Suppression IC is composed of a P-channel MOSFET, which can detect when a surge is present and then activate to clamp the applied voltage at a maximum of 15V, while providing robust filtering and suppression of line transients when the voltage exceeds the predetermined threshold. When the surge dissipates, the device automatically resets, with no additional circuitry required.

The MAX14984ETG+T is a versatile and reliable solution designed for applications where a high level of immunity to voltage spikes is required, such as in appliances, medical devices, and telecom systems. The device is available in either an SC-70 or TQFN package with multiple pinouts for easy implementation. It offers a wide voltage range between 3.5V and 20V, and can withstand voltage transients up to 200V. For optimal performance, the application conditions should be set at peak voltage, peak current, and maximum at-rest voltage.

In its simplest implementation, the MAX14984ETG+T works by using the intrinsic drain-source diode of the MOSFET to shunt the excess voltage to the attached ground, thus providing a simple and reliable means of current protection for the circuit. In addition, the device can detect and respond to voltage spikes as short as 1µs or greater, allowing for fast response to the transient event. In order to further improve the device’s performance, the MOSFET is equipped with an additional internal diode, which diverts the current away from the MOSFET, thereby reducing damage to the device. To prevent the device from being overloaded, it is also equipped with a “latched-OFF” feature, which turns the device off when it is exposed to excessive voltage and current.

The MAX14984ETG+T has several advantages over other surge suppression ICs, such as its low on-resistance, fast response to transients, and its ability to withstand long transient surge events. Additionally, the device also provides a high-impedance clamping voltage to ensure that the applied voltage stays within the safe operating range and that no damage is done to the equipment. This makes it an ideal choice for applications where high immunity to surges is required.

In summary, the MAX14984ETG+T is a versatile and reliable surge suppression integrated circuit designed for a wide range of applications. Its unique features including effective voltage and current protection, fast response, and low on-resistance make it an ideal choice for a variety of applications. The device’s robust filtering and suppression capabilities make it a reliable and effective solution for ensuring against damage due to voltage spikes.

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