MIC2179-3.3YSM-TR

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MIC2179-3.3YSM-TR Application Field and Working principle

The MIC2179-3.3YSM-TR is a type of PMIC (Power Management IC) depending on the application, specifically a Voltage Regulator. It is best-suited for DC-DC Switching Regulators, with Automatic Control of Output Current, and a Low Quiescent Current (≤ 8µA). It is used in various applications, such as power supply systems, computer peripheral applications, and energy-efficient solutions.

The switching regulator regulates the output voltage to a predetermined value by provideing a path of current to the output. Through the use of its integrated circuits, the switching regulator is able to control the output voltage in a variety of applications, such as microprocessor and logic application circuits. It works by providing a predetermined amount of current to the load and regulating the output voltage to maintain the desired output voltage level. This can be done through the use of Pulse-Width-Modulation or PWM.

The MIC2179-3.3YSM-TR also has a wide input voltage range of 2.7 to 17V, a maximum output current of 2.2A, an operating supply current of just 8µA, low output noise and excellent transient response. This makes it especially suitable for intensive boost applications, including power supply systems and computer peripheral applications.

The MIC2179-3.3YSM-TR utilizes internal MOSFETs as a power switch and a control loop to regulate the output voltage. The device monitors the output voltage and adjusts the duty cycle of the power switch in order to keep the output voltage constant. The control loop also ensures the maximum output current of 2A is not exceeded, so that it will always operate safely.

When the supply voltage goes down, the device will reduce the duty cycle in order to maintain the output voltage, resulting in improved efficiency and power savings. It also provides overload protection, as well as reverse current, over temperature and over voltage protection. This makes it ideal for use in power supply systems, as it will ensure the safety of the system in case of any faults.

The MIC2179-3.3YSM-TR also has an adjustable soft start feature which is used to ramp up the output voltage. This feature helps with current inrush limiting and reduces the possibility of circuit damage by limiting the instantaneous current. It also helps to reduce the output noise created by a sudden voltage step.

The MIC2179-3.3YSM-TR is an excellent choice for applications where size and weight are a factor, such as portable consumer electronics. It is also a great choice for applications where efficiency is a concern, since it offers improved efficiency at higher switch frequencies. With its wide input voltage range, excellent transient response, and low quiescent current, this device is ideal for energy-efficient solutions.

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