MP1522ET-LF-P

Voltage - Input (Max):	25V
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-20°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	--
Current - Output:	300mA (Switch)
Voltage - Output (Max):	25V
Voltage - Output (Min/Fixed):	2.7V
Series:	--
Voltage - Input (Min):	2.7V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The MP1522ET-LF-P is one of the many DC/DC switching regulators used as power management integrated circuits (PMICs) in a wide range of devices. This device is essentially a DC-DC converter that is fully integrated with a wide range of features, from overvoltage protection to thermal shutdown.In today’s devices, the MP1522ET-LF-P performs multiple functions, from providing a constant voltage output to a load, to using advanced techniques such as voltage position tracking and 3-phase interleaving. This article will provide a detailed overview of the MP1522ET-LF-P, its application field and its working principle.

Application Field

The MP1522ET-LF-P is designed for use in a wide range of applications, including cellular phones, audio systems, PC peripheral chips, game consoles and laptops. It is also suitable for industrial and automotive applications due to its wide operating temperature range.The device is capable of providing a maximum output of 8A, with an output voltage range between 0.9V to 5.5V. It provides a high level of efficiency, with up to 95% efficiency. The MP1522ET-LF-P also features integrated thermal shutdown and over voltage protection, so that it can be used in safety-critical applications.

Working Principle

The MP1522ET-LF-P works on the principle of pulse-width modulation (PWM). It takes in a DC input voltage, which is then converted into a pulse-width modulated signal. The modulated signal is then used to control a switch, which is used to connect and disconnect the output voltage from the input voltage.The switching frequency of the device is adjustable, and it can be set between 200 and 600 KHz. The device also features a current-mode control architecture, which ensures that the output waveform is smooth and efficient, with minimal ripple and noise.The MP1522ET-LF-P also features advanced functions such as voltage position tracking and 3-phase interleaving, which are used to reduce output ripple and improve efficiency. Additionally, the device includes integrated overvoltage protection and thermal shutdown, making it suitable for a wide range of applications.

Conclusion

The MP1522ET-LF-P is one of the many DC/DC switching regulators used in a wide range of devices. It is designed for use in a variety of applications, and provides a high level of efficiency and integration. The device works on the principles of pulse-width modulation, current-mode control and voltage position tracking, and it also includes integrated overvoltage protection and thermal shutdown.

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