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LV8728MR-AH

The LV8728MR-AH is a high-efficiency synchronous step-down (buck) regulator from ON Semiconductor. It is designed to provide a stable output voltage from a wide input voltage range, making it suitable for a variety of applications.

Description:

The LV8728MR-AH is a compact, high-efficiency synchronous step-down regulator that can operate from an input voltage range of 4.75V to 23V. It has a typical output voltage range of 0.9V to 7.5V, and can deliver an output current of up to 3A. The regulator features a high-efficiency synchronous buck topology with a fixed 1.2MHz switching frequency, which allows for the use of small external components.

Features:

• High efficiency: The LV8728MR-AH has a high efficiency of up to 93%, which helps to minimize power dissipation and improve overall system efficiency.
• Wide input voltage range: The regulator can operate from an input voltage range of 4.75V to 23V, making it suitable for a variety of power supply applications.
• Adjustable output voltage: The output voltage can be adjusted using an external resistor divider, allowing for precise output voltage regulation.
• Synchronous rectification: The regulator features synchronous rectification, which improves efficiency and reduces power dissipation.
• Fixed switching frequency: The regulator has a fixed switching frequency of 1.2MHz, which allows for the use of small external components and reduces EMI.
• Protection features: The LV8728MR-AH includes over-current protection, over-voltage protection, and thermal shutdown protection to ensure safe and reliable operation.

Applications:

The LV8728MR-AH is suitable for a variety of applications that require a stable and efficient power supply, including:

• Portable electronics: The high efficiency and wide input voltage range make it suitable for powering portable electronic devices such as smartphones, tablets, and wearables.
• Industrial equipment: The regulator's ability to operate from a wide input voltage range and provide a stable output voltage make it suitable for use in industrial equipment such as motor controllers and sensors.
• Medical equipment: The LV8728MR-AH can be used to provide a stable power supply for medical equipment such as patient monitors and diagnostic devices.
• LED lighting: The regulator can be used to provide a stable and efficient power supply for LED lighting applications, such as streetlights and indoor lighting systems.

Overall, the LV8728MR-AH is a high-efficiency synchronous step-down regulator that offers a wide input voltage range, adjustable output voltage, and robust protection features, making it suitable for a variety of power supply applications.