V680LT100BPX2855

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V680LT100BPX2855 Application Field and Working Principle

TVS - Varistors, MOVs are electro-mechanical components that are used to protect electronic circuits from transients or voltage surges. The V680LT100BPX2855 is one such device, and is a low capacitance, thermally protected, ESD-protected TVS diode specifically intended for automotive applications.The V680LT100BPX2855 is a monolithic unipolar semiconductor device designed to protect against transients generated by inductive loads such as the spark of a capacitor discharge or an inductive load. It is highly resistant to heat, and its low capacitance allows it to be used in applications such as automotive ESD protection.The standard design of the V680LT100BPX2855 includes several components mounted on a single substrate: an N-channel MOSFET, two N-channel FETs, two P-channel FETs, and three discrete resistors. The components are connected together with three principal branches connected to a common ground. The P-channel FET is the gate-to-drain connection, and the N-channel is the gate-to-source connection.The V680LT100BPX2855 works by combining a low power version of the resistor element with the TVS diode. The resistor element is used to limit the current to the device, while the TVS diode is used to absorb the ESD energy. This combination allows the device to remain functional after it is subjected to an ESD event.When the device is subjected to an ESD event, the resistor element first limits the current, and then the TVS diode begins to work to absorb the energy of the ESD. The absorbed energy is then dissipated as heat, which is conducted away from the device through its encapsulation. As the current flows through the resistor and TVS diode, the voltage across the device increases, allowing the device to tolerate higher levels of ESD energy.The V680LT100BPX2855 is designed to provide long-term protection to automotive and other applications from electrical or thermal transients. It is able to absorb and dissipate high amounts of energy, leading to a long service life. The device can withstand temperatures up to +125°C, and handle peak pulse power levels up to 150 W. Moreover, its low capacitance and low leakage current make it suitable for use in high-speed data lines such as CAN, USB, and Ethernet.

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