MP1586EN-LF

MP1586EN-LF Application Field and Working Principle

MP1586EN-LF is a highly integrated high-efficiency, low-noise, monolithic step-down switching regulator with frequency synchronizing function. This DC-DC converter belongs to the category of PMIC – Voltage Regulators – DC DC Switching Regulators and has a wide range of applications.

Applications of MP1586EN-LF

The MP1586EN-LF can be used in a variety of applications such as PC notebooks, PDAs, digital cameras, portable navigation equipment and other consumer electronics. It is also used in industrial equipment, point-of-sale systems, and medical devices. The efficiency of the MP1586EN-LF makes it ideal for applications where power is at a premium, such as in battery-powered devices. The compact size of the device also allows it to fit into more compact designs.

Working Principle of MP1586EN-LF

The MP1586EN-LF is a synchronous step-down DC-DC regulator that uses two current-mode controlled switching regulators to efficiently transfer power. It employs a fixed frequency, current mode PWM control topology, using an external oscillator to establish the switching frequency. It operates from a 2.75V to 6V input and provides an output voltage adjustable between 0.6V and 95% of the input voltage.

The MP1586EN-LF uses synchronous rectification technology, which eliminates the need for a separate Schottky diode in order to achieve higher efficiency. The current-mode control gives excellent transient response, with fast input current loop compensation. When the enable pin is disabled, the regulator is put into a shutdown mode, reducing the quiescent current to 0.1uA.

Advantages of MP1586EN-LF

The MP1586EN-LF is a very efficient regulator, with efficiencies as high as 96%. It has a very low output noise of just 80mV, making it ideal for applications that rely on low-noise regulators. The device also has a high switching frequency of up to 500kHz, allowing for a small size inductor and a fast transient response. The dual output regulator is also very simple to use, with just an enable pin and a voltage trimmer, making it a great choice for novice users.

Conclusion

The MP1586EN-LF is a high-efficiency, low-noise, monolithic step-down switching regulator with frequency synchronizing function. It is designed for an input voltage of 2.75V to 6V and an adjustable output voltage of 0.6V to 95% of the input voltage. This DC-DC converter is highly efficient, with an efficiency of up to 96%, and also has a very low output noise of 80mV. It has a high switching frequency and a fast transient response, and it is also very simple to use. Therefore, it is an ideal choice for many different applications.