MP2908AGL-Z

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MP2908AGL-Z Application Field and Working Principle

Monolithic Power Systems (MPS) produces several Voltage Regulators, as part of their PMIC (power management integrated circuits) solutions. The MP2908AGL-Z is a specific example of DC-DC Switching Regulator, with features that make it well positioned in many consumer, industrial and medical applications.

The MP2908AGL-Z is a dual-phase synchronous buck regulator, handling loads up to 180W and featuring MOSFETs on-chip. This design eliminates the need for external MOSFETs, while the on-chip MOSFETs also keep the thermal resistance low, allowing the device to run higher currents and higher voltages with more efficiency and flexibility.

It is part of the Synchronous Buck Regulators family, and its output voltage can be set from 0.5V up to 6V. This versatility in output voltage allows for the device to be used in power systems with requirements for a wide range of supply and load voltage.

The MP2908AGL-Z Features and Benefits:

• An operating temperature range of -40°C to 125°C
• Output Adjustable regulator between 0.5V-6V
• Low EMI
• Integrated High- and Low-Side MOSFETs
• Isolation: Up to 28V

In addition to its versatile output voltage and temperature range, the device also features low EMI, making it suitable for use in PC and consumer electronics applications.

The Working Principle of the MP2908AGL-Z:

The MP2908AGL-Z DC-DC Switching Regulator is designed as a switching buck converter for input voltage in the range of 5V-28V and output capability (adjustable) range of 0.5V-6V ± 0.5%. It uses an analog control loop, which monitors the output voltage sense node (COM) and adjusts the duty cycle of the integrated MOSFETs accordingly.

It is designed to operate in either step-down (buck) or step-up (boost) mode. In step-down (buck) mode, the regulator will reduce the DC input voltage to the desired output voltage. In step-up (boost) mode, the regulator will convert a lower DC input voltage to a higher output voltage, as necessary.

The controller works in either open loop or closed loop mode, and includes integrated voltage loop compensation which can be adjusted to suit different applications. It also features a fast transient response, low output ripple and low output noise. The Rise and Fall times are also adjustable, enabling the user to further fine-tune the performance of the device.

The MP2908AGL-Z DC-DC Switching Regulator also comes with a range of protection features such as current limit, thermal protection, and over voltage protection. This provides the user with additional protection and increases the durability of the device.

To sum up, the MP2908AGL-Z DC-DC Switching Regulator is the ideal choice for many consumer, industrial, and medical applications. With its wide range of output voltage, low EMI, fast transient response, and comprehensive protection features, it offers a great solution for users looking for an efficient and reliable power management solution.

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