MAP4KE24AE3

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TVS-Diodes, or Transient Voltage Suppressors (TVS) Diodes are an important piece of power management technology used to protect electrical circuits against voltage surges. These devices provide a quick and reliable method to protect sensitive equipment against voltage transients. They can be placed in line between two points in a circuit, or at some point on the input of a circuit. They are designed to quickly clamp excessive voltage to a safe level.

MAP4KE24AE3 is a popular TVS-Diode from the TOPSWITCH-C(TM) product family by POWER Integrations. It is a monolithic, ±12-volt, transient suppression diode designed for the protection of circuits in the presence of lightning strikes, AC power switching transients, and electrostatic discharge (ESD). This device provides high efficiency in reducing the voltage stress on the circuit components.

The MAP4KE24AE3 is fabricated using a multi-layer Schottky diode and a MOSFET drive circuit for high-speed switching. The on-state resistance is as low as 0.3Ω, and the ESD protection capability is up to 15kV. Additionally, it has a low reverse leakage current of 0.4µA and a reverse breakdown voltage of 4V. This combination of low on-state resistance and high ESD protection capability make this device suitable for a wide range of applications that require reliable protection against voltage transients.

One of the most common application fields for the MAP4KE24AE3 is in consumer electronics such as PCs or TVs. In these applications, the device is most commonly used to protect the internal components of the device from voltage spikes resulting from lightning storms or surges in AC power. To achieve this, the device is placed between the power source and the device\'s internal power supply. Any voltage spikes above 4V will be quickly clamped to a safe level, thus protecting the sensitive electronic components.

The working principle of the MAP4KE24AE3 is relatively simple. When the voltage reaches the lower trigger point of 4V, the MOSFET drive circuit is activated, triggering the Schottky diode to quickly clamp the voltage to a safe level. At the same time, the device also diverts the transient energy away from the circuit, thus providing extra protection to the sensitive components.

In some applications, multiple devices may be used in series to provide additional protection against power surges. Additionally, the MAP4KE24AE3 can also be incorporated into more complex power management circuits, such as AC to DC converters, to provide additional protection against voltage spikes.

In conclusion, the MAP4KE24AE3 is an important, cost-effective device used to protect sensitive electronic components from voltage transients. Its low on-state resistance and high ESD protection capabaility make it a highly reliable surge suppressor. This device is used in a wide range of applications, from consumer electronics to more complex power management circuits, offering a reliable and cost-effective solution for surge protection.

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