MP5408MGU-Z

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Introduction

MP5408MGU-Z is an advanced, high-performance, multi-mode voltage regulator IC offered by ON Semiconductor. It supports different types of input and output voltages, and provides a comprehensive protection suite, making it ideal for applications in automotive and consumer electronics.

Features and Benefits

The MP5408MGU-Z integrates several features and benefits to provide an efficient voltage regulation solution:

• Integrated NMOS/PMOSFETs to reduce external component count
• Low quiescent current for low power dissipation
• Integrated soft start
• Protection functions including over-temperature, over-current, over-voltage and under-voltage
• Low shutdown current
• High efficiency, allowing up to 95% of the input power to be converted to the output
• Output voltages can be trimmed to improve accuracy
• Supports synchronous rectification

Application Field

The MP5408MGU-Z can be applied to various automotive, consumer, computer and industrial applications that require regulated power outputs for digital and analog circuits. Some of the common applications include:

• DC-DC Polarity Conversion
• Charging System
• Battery Regulation
• Computer Peripherals
• Power Supplies

Working Principle

The MP5408MGU-Z is a voltage-mode step-down (“buck”) converter that maintains a stable output voltage by controlling the duty cycle of an internal power switch. When the power switch is turned on, energy from the input voltage is accumulated in an inductor. When the power switch is turned off, the energy in the inductor is transferred to the output. This energy transfer is regulated by an internal feedback controller, which adjusts the duty cycle of the power switch based on the output voltage. The high efficiency of the converter is due to synchronous rectification, which reduces switching losses.

Conclusion

The MP5408MGU-Z is an advanced voltage regulator IC offered by ON Semiconductor that can be applied to a variety of applications in the automotive, consumer, computer, and industrial markets. It boasts many features, such as an integrated NMOS/PMOSFETs, low quiescent current, integrated soft start, and protection functions, as well as an exceptional efficiency of up to 95%, due to its synchronous rectification. This makes it an ideal choice for applications that require regulated power outputs.

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