MIC4575-5.0WT

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The MIC4575-5.0WT belongs to a family of DC-DC switching regulators which come with a wide range of features, making them particularly suitable for a variety of applications.

This type of Power Management Integrated Circuit (PMIC) is popular for its power management features and it is commonly used in a variety of applications such as automotive, personal computing and entertainment, medical, industrial and military. The MIC4575-5.0WT is specifically designed to deliver step-down voltage conversion, featuring a high switching frequency, high efficiency and low quiescent current.

The MIC4575-5.0WT provides low cost, low-power DC-DC conversion using only external capacitors and two power devices. It is capable of driving up to 1.2 A output current without the need for an external booster transistor. The device operation is based on a synchronous, fixed-frequency, pulse-width modulation (PWM) architecture. In PWM mode, the controller senses the output voltage and uses pulse-width modulation (PWM) to regulate the maximum peak current value through the inductor. This feature limits the maximum output current, thus avoiding over-current conditions.

The device also offers comprehensive protection features such as a programmable over-current (OC) protection, over-voltage (OV) protection, and thermal shutdown. The MIC4575-5.0WT also features short circuit protection and unlimited short circuit duration protection for providing maximum protection against faults. In addition, the device offers enable and shutdown controls, as well as an external synchronization input pin that allows synchronization of the switching frequency to an external clock.

Aside from the above features, the MIC4575-5.0WT also incorporates a low power mode that reduces power consumption under light load conditions. This feature allows current to be delivered to the load while reducing power dissipation. The device also provides a VSENSE+ pin that allows for active output voltage tracking (for load transients) and high accuracy current sensing.

The MIC4575-5.0WT DC-DC switching regulators are designed ideally to meet the requirements of portable and embedded microcontroller applications. They are suitable for powering applications where the output voltage must be regulated and efficient. With the impressive range of features, the MIC4575-5.0WT is an excellent choice for power management applications.

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