MXLLCE70AE3 Circuit Protection

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TVS diodes, also called transient voltage suppressors, are used in various electronic circuits to protect the components from voltage transients. The MXLLCE70AE3 is a high-performance, low-leakage TVS diode that is specifically designed to protect sensitive semiconductors and circuits from damage caused by a transient over-voltage. It is suitable for many different applications including automotive, telecoms and consumer electronics.

The MXLLCE70AE3 is a discrete diode that contains an integrated Bidirectional ESD protection structure, enabling it to absorb high-energy ESD strikes with a capacity of up to 70A. The low-capacitance design ensures that it does not interfere with signal integrity in high speed circuits. It is offered in two lead-free, RoHS-compliant packages: an SOT-223 and a SC-74. The SOT-223 package is suitable for surface mount applications while the SC-74 package is designed for through-hole mount applications.

The MXLLCE70AE3 also features a low dynamic resistance, which enables it to absorb high-energy transients quickly and efficiently. The low-leakage design ensures that it does not interfere with the DC operating conditions of the protected circuit. The diode also features guaranteed break-down voltage and ESD protection, making it the ideal solution for protecting high-voltage circuits from voltage transients.

The working principle of the MXLLCE70AE3 can be understood by examining its schematic diagram. The diode consists of a PN junction in series with a MOSFET. When an over-voltage or an ESD strike occurs, the MOSFET turns on and passes a large amount of current through the PN junction. This current then flows through the diode and is dissipated as heat, thus preventing the over-voltage or ESD transient from reaching the protected circuit.

The MXLLCE70AE3 is widely used in automotive, telecoms and consumer electronics applications. In automotive applications, it is used to protect against load dump transients, reverse-battery transients, and ESD strikes. In telecoms applications, it is used to protect high-speed circuits from voltage transients caused by lightning strikes and power surges. In consumer electronics, it is used to protect sensitive components such as LCD displays and FPGAs from over-voltage damage.

In summary, the MXLLCE70AE3 is an advanced TVS diode with superior performance characteristics. It offers high ESD protection capability, low dynamic resistance, low-capacitance design, and low-leakage feature. The diode is ideal for protecting sensitive components from voltage transients in automotive, telecoms and consumer electronics applications.

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