EVB_RT4805AWSC

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EVB_RT4805AWSC is a highly efficient, low-cost, high-power off-line switching mode power supply (SMPS) evaluation board, which can be used in DC/DC & AC/DC (off-line) SMPS applications. The board is powered by a low-cost, efficient RT4805AWSC controller integrated circuit (IC). The controller IC has been designed for applications that require high efficiency, low standby power and a wide output voltage range. The controller IC offers extensive protection features and also features prebias start-up, adjustable, and reduced component count.

The EVB_RT4805AWSC evaluation board allows for easy evaluation and customization of energy efficient DC/DC or AC/DC off-line SMPS applications. It features an integral transformer with multiple outputs to support a selectable output voltage from 3.3V to 24V as well as multiple control and monitoring options. The evaluation board requires a minimum of components to configure the controller and supplies for dynamic load conditions, and an adjustable constant voltage/constant current loop. The evaluation board also features an isolating output load and an auxiliary power supply, allowing the board to operate in multiple input voltage and output current ranges.

The working principle of the EVB_RT4805AWSC is based on semiconductor switching elements. These are typically voltage-sensing MOSFETs which are used to control the current flow through the SMPS. An incoming AC or DC power source is stepped down and passed to a rectifying bridge, and then regulated using the regulating circuit. A feedback circuitry is used to sense the output voltage or current and provide the appropriate control signal to the MOSFETs. The current is then switched on and off based on the load demand, resulting in a regulated output voltage or current.

The EVB_RT4805AWSC is a cost-effective solution for energy efficient DC/DC or AC/DC off-line SMPS applications. It is well suited for a wide range of applications such as home appliances, consumer electronics, lighting, automotive, military, and aerospace. The board has been designed with a range of features including an adjustable output voltage range, low standby power consumption, extensive protection features, and pre-bias start-up control. The evaluation board also integrates an isolating output load and an auxiliary power supply, allowing the board to operate in multiple input voltage and output current ranges.

In short, the EVB_RT4805AWSC is an efficient and cost-effective solution for energy efficient DC/DC & AC/DC (off-line) SMPS applications. Its features offer users extended flexibility and control by providing adjustable output voltage range, low standby power consumption, and extensive protection features. With its wide range of features, the evaluation board is suitable for a variety of applications and can be customized according to customer requirements.

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