RW2-0509D/H2/B

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DC–DC converters are power conversion circuits that convert DC power from one voltage level to another, either by stepping up or stepping down the voltage. The RW2-0509D/H2/B is one of these power conversion circuits that can be used in a variety of applications.

Application Field

The RW2-0509D/H2/B is a high-efficiency, high-current DC-DC converter that is ideal for small-size portable systems and power supplies. The RW2-0509D/H2/B is designed to convert a 12V input voltage to a regulated 5V output voltage. It can also handle an input voltage range of 8.5V to 18V. The RW2-0509D/H2/B is capable of delivering up to 9A of current at its 5V output at an efficiency of up to 94%, making it suitable for applications requiring high power density.

The RW2-0509D/H2/B is well suited for use in notebooks, tablets, automotive systems, and many other applications. Due to its small size (3.63” x 2.36” x 0.75”), the RW2-0509D/H2/B can easily be integrated into even the most space-constrained designs. It also offers a wide operating temperature range (-40~85°C) and excellent EMI performance, making it suitable for automotive and industrial applications.

Working Principle

The RW2-0509D/H2/B works by using a pair of transistors to regulate the current and voltage flowing from the input to the output. When the input voltage is greater than the desired output voltage, a series of transistors act as a switch, enabling the input voltage to pass through to the output. However, when the output voltage drops below the set level, a control loop is used to regulate the current and voltage flow, thereby stabilizing the output voltage.

The RW2-0509D/H2/B also features a power factor correction (PFC) circuit that helps to reduce electrical noise and distortion at the input stage. The PFC circuit works by bringing the input current in phase with the input voltage, thus reducing the total harmonic distortion (THD) and improving the overall power efficiency. Additionally, the RW2-0509D/H2/B also features a current sharing feature, which makes it suitable for applications requiring multiple power supplies.

The RW2-0509D/H2/B is a versatile and reliable DC-DC converter that can satisfy the majority of applications requiring efficient power conversion. With its high efficiency, wide input voltage range, excellent EMI performance, and small size, the RW2-0509D/H2/B is a great choice for applications that require high power density and low-noise power conversion.

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