REC3-4809SRW/H2/A/SMD/CTRL

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DC-DC converters are electrical circuits that are responsible for the conversion of DC power from one voltage level to another. The REC3-4809SRW/H2/A/SMD/CTRL is a DC-DC transformerless flyback converter, which is designed for offline primary-side control applications. It is versatile, efficient, and easy to use, providing cost savings by potentially eliminating the need for a secondary control IC and opto-coupler.

The REC3-4809SRW/H2/A/SMD/CTRL is suitable for a wide range of applications. It has a 4.0V to 40V input range, and a 1.5V to 24V output range. It supports various environmental standards, and has a wide range of protection features that help to improve system reliability and reduce the risk of component damage. It also provides high efficiency levels of up to 95%, and an adjustable switching frequency, which can be set according to individual application requirements.

Internally the REC3-4809SRW/H2/A/SMD/CTRL consists of a high-performance current mode control topology. This is combined with an integrated 650V isolation MOSFET and rectifier, providing superior performance and power conversion efficiency. Furthermore, the device features an adjustable soft-start/turn-off for further power savings.

At the core of the REC3-4809SRW/H2/A/SMD/CTRLis a high-precision reference voltage with an adjustable output voltage range. This is combined with a precision voltage feedback, providing an accurate output voltage. The device also features a wide range of protection features, including over-voltage protection, output short-circuit protection, open-loop protection, and over-temperature protection.

For non-isolated applications, the device includes a single-ended primary-inductor converter (SEPIC) architecture, which can provide a high efficiency, low component count solution. It also supports various operating modes, including Burst Mode and Forced PWM, allowing for reduced component count and even greater efficiency.

In summary, the REC3-4809SRW/H2/A/SMD/CTRL is designed for primary-side control applications in a variety of applications. It incorporates a high-performance current mode control topology, high-precision reference voltage, precision voltage feedback, and a 650V isolation MOSFET and rectifier. Furthermore, it offers versatile operation modes, high efficiency levels, and adjustable switching frequency.

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