LW020F871

DC–DC converters help regulate the power needed for various electronic circuits. There are numerous types of DC–DC converters in the market, each with its own working principle and applications. The LW020F871 is a DC–DC converter that has its own distinct features and range of applications. In this article, we will discuss the application field of the LW020F871 and its working principle.

Specifications

The LW020F871 is a synchronous buck DC–DC converter designed for use in Notebook PCs, tablets and gaming consoles. It has a single-phase topology and comes with a high power stage of up to 180 watts. It can operate at input voltages from 4.5V to 20V, making it suitable for a variety of applications. It has an adjustable power output of 0.5V to 16V and a built-in digital control loop for optimized voltage regulation.

Application field

The LW020F871 can be used in a variety of applications, including in portable battery-powered devices, in laptop PCs, in gaming consoles and tablets, and in other applications requiring low noise, high efficiency and low power consumption.

In battery-powered devices, it can be used to regulate the voltage of batteries and ensure a steady supply of energy. In gaming consoles and laptops, the LW020F871 helps regulate the power needed to deliver best gaming performance. In tablets, it is used to maintain optimum power levels for processor and graphics accelerators to ensure smooth operation.

Working principle

The LW020F871 DC–DC converter uses a synchronous buck topology to regulate the output voltage and is digitally controlled. It operates by converting an input DC voltage into a lower or higher DC output voltage. This is done by switching a metal-oxide-semiconductor field-effect transistor (MOSFET) to provide the required power conversion. The MOSFETs are connected to an inductor which stores the energy before it is passed to the output as a new current.

The LW020F871 also employs a control loop to ensure the output voltage of the converter remains within the desired range. The control loop inputs are generated using feedback signals from the output and the reference voltage, and adjusted using the onboard digital control circuitry. Once the feedback signals are received, the LW020F871 automatically adjusts the switching frequency and duty cycle of the MOSFETs in order to maintain the desired output voltage.

The LW020F871 DC–DC converter is a highly efficient and reliable power solution for a wide range of applications. Its advanced features, such as adjustable power output, low noise, and high efficiency, make it an ideal choice for a variety of power supply needs.