MIC5504-2.2YMT-TR

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Linear voltage regulators, such as the MIC5504-2.2YMT-TR from Micrel, comprise a type of power management integrated circuit (PMIC) commonly used for voltage regulation and providing constant output current. The MIC5504-2.2YMT-TR is an adjustable fixed-output, low drop-out (LDO) regulator that features an adjustable output voltage range from 1.25 volts up to 25 volts and can deliver up to 2.2A of current.

In its most basic form, a linear voltage regulator consists of an integrated circuit with three main components; the pass transistor, the reference voltage source, and the error amplifier. The pass transistor is the switch used to control the amount of current entering the output. The reference voltage source sets the target output voltage, and the error amplifier monitors the difference between the output voltage and the reference voltage level. The amplifier will then open and close the pass transistors based on the difference in order to maintain the output voltage as close to the reference as possible.

The MIC5504-2.2YMT-TR has several distinct features that individualize it from other linear voltage regulatores. It is ET-FET architecture which provides high power efficiency and low power loss, allowing it to achieve an efficiency of up to 97%. It can operate over a wide input voltage range, from 2.4 volts to 25 volts, which makes it suitable for a variety of applications. Additionally, it also features an output current foldback protection which kicks in when the current reaches a certain threshold and reduces the output voltage momentarily to prevent any further increase in current and protect both the device and the load.

The MIC5504-2.2YMT-TR can be used in a variety of applications. It is ideal for powering devices in high-temperature environments, such as automotive applications, and its wide input voltage range makes it suitable for various system architectures. It can be used as a direct replacement for existing Linear voltage regulators and gives users the added benefits of improved efficiency, smaller footprint, more stable output, and improved current limit.

The MIC5504-2.2YMT-TR is a versatile and reliable LDO voltage regulator that provides stable, regulated power to many applications. With its high power efficiency, adjustable voltage, wide input voltage range, and integrated current limit protection, it is a great choice for powering a variety of systems and devices efficiently.

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