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LX7172ISE-TR Application Field and Working Principle

Introduction

LX7172ISE-TR is a DC-DC switching regulator that is used in a wide range of applications. The DC-DC switching regulator is the most widely deployed type of voltage regulator, and the LX7172ISE-TR is no exception. By sourcing varying output voltages and by providing high conversion efficiency, the LX7172ISE-TR brings a range of advantages over traditional voltage regulators and diodes.

General Features

The LX7172ISE-TR provides exceptional flexibility with a wide range of efficiency, output voltage sharing, output voltage tracking and other features.

• Dual output delivers up to 10 Watts.
• Simple circuit configurations and pin compatibility.
• Input voltage range from 6V to 28V.
• External synchronous rectifiers for full efficiency.
• Output voltage tracking.
• Voltage sharing for multiple outputs.
• Thermal shutdown and over current protection.

Application Fields

The LX7172ISE-TR can be used in a wide range of applications. It is suitable for a range of battery powered applications, including smartphones, tablets, laptop computers, and industrial systems.

• Mobile phones, tablets, and other portable devices
• Networks and telecommunications equipment
• Automotive electronics
• Laser printers and copiers
• Handheld medical devices
• Industrial automation systems

Working Principle

The LX7172ISE-TR is a switching regulator that outputs a regulated voltage from an input voltage. It works by using a high frequency oscillator to control the switching of an MOSFET or an IGBT, which in turn converts the input voltage into the desired output voltage. This process is referred to as “pulse width modulation” or PWM, and is the most widely used methodology for providing a regulated output voltage.

The regulator also utilizes an internal current limit circuit to protect the load under normal operating conditions, and an internal thermal shutdown circuit to protect the regulator in case of any excessive thermal conditions.

Conclusion

The LX7172ISE-TR is a DC-DC switching regulator that provides exceptional flexibility and offers a wide range of features and benefits. With its wide input voltage range and its wide range of output voltages, the LX7172ISE-TR is suitable for a variety of applications in portable electronic devices, networks, and industrial automation systems.

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