RO-3.309S/HP

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DC-DC converters are used to convert a voltage, current or power from one level to another. The RO-3.309S/HP is a DC-DC converter developed by Würth Elektronik that offers some unique advantages. This article outlines the application field and working principles of the RO-3.309S/HP.

The RO-3.309S/HP is a DC-DC converter designed for automotive, consumer electronics and transport applications. It can be used to supply devices that require a regulated voltage from a wide range of input voltages. The converter is optimized for space efficiency, features a wide input voltage range and can provide up to 4A of current. The integrated power MOSFETs and high-efficiency buck architecture make it ideal for automotive, consumer electronics and transport applications.

The RO-3.309S/HP is designed to convert a wide input voltage range between 4.5V and 36V to a regulated output voltage of 5V/3.1A, 9V/2.5A and 15V/2A. The device is equipped with an integrated current and over-temperature protection circuitry and also features remote ON/OFF control. The converter offers an operating temperature range of -40°C to +125°C and is available in both through-hole and SMT packages.

The RO-3.309S/HP has a buck topology working principle. In the buck topology, the input voltage is stepped-down to a lower voltage by a series of switches. These switches are usually MOSFETs, which are turned on or off based on the need of the output. The device has two different stages for voltage conversion: an input stage and an output stage. The input stage contains a number of transistors connected in series, which are used to regulate the input voltage. The output stage consists of a synchronous rectifier and an inductor, which convert the input power into a regulated output voltage.

The RO-3.309S/HP offers high efficiency, greater space savings, and cost savings due to its low component count. It is also protected against short-circuits and reverse polarity, making it an ideal choice for automotive, consumer electronics, and transport applications.

In conclusion, the RO-3.309S/HP is an efficient and cost-effective DC-DC converter designed to supply devices that require a regulated voltage from a wide range of input voltages. It features an integrated power MOSFETs, a wide input voltage range and a buck topology working principle. The device also offers integrated current and over-temperature protection circuitry, remote ON/OFF control, and it is protected against short-circuits and reverse polarity. Due to its high efficiency, space savings, and low component count, the RO-3.309S/HP is an excellent choice for automotive, consumer electronics, and transport applications.

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