MPQ4430GL-AEC1-Z

Series:	*
Packaging:	Tape & Reel (TR)
Part Status:	Active

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Introduction

The MPQ4430GL-AEC1-Z is a DC-DC switching regulator (also called an adjustable voltage regulator) used in mobile power applications such as cell phones, tablets and other portable devices. It is an advanced high-efficiency regulator with a wide input voltage range and adjustable output voltage up to 5.5 volts. Its excellent wide range of operating temperature (from –40 to 125°C) makes it highly suitable for use in a variety of environments.

Features

• Wide Vin Range: 2.7V-6V
• Output Voltage: 3.2V-5.5V
• Stability Over Temperature and Load
• High Efficiency: up to 94%
• Low Shutdown Current: 2μA
• Internal Soft Start
• External Feedback Option
• Built-In Overvoltage and Short Circuit Protection

Applications

The MPQ4430GL-AEC1-Z can be used in a wide range of applications, including cell phones, tablets, and other handheld devices. It is also suitable for power supplies in industrial, automotive, and other environments where high efficiency and wide operating temperature range are required.

Working Principle

The MPQ4430GL-AEC1-Z is an advanced high-efficiency DC-DC switching regulator with load line control and built-in overvoltage and short circuit protection. The regulator incorporates an internal reference and error amplifier that adjusts the switching frequency to maintain a constant output voltage level.The regulator consists of an N-channel MOSFET switch connected between the input voltage source and ground and a current-sense resistor connected between the switch and the load. The reference and error amplifier then compares the sensed voltage across the current-sense resistor to the internal reference voltage. The resulting error signal is used to reduce the duty cycle of the switch, which in turn regulates the output voltage.

Conclusion

The MPQ4430GL-AEC1-Z DC-DC switching regulator is a highly efficient and versatile voltage regulator for mobile power applications. With its wide input voltage range, adjustable output voltage up to 5.5V, and excellent wide range of operating temperature (-40 to 125°C), it is an ideal choice for use in a variety of environments. With its built-in protection features, it is a reliable and safe solution for all applications.

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