EVB_RT6251BHGQW

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EVB_RT6251BHGQW is a cost-effective, easy to use reference design which equips designers with the necessary support for a thorough evaluation of Richtek’s RT6251BHGQW, an offline flyback converter switching regulator. The EVB_RT6251BHGQW features overvoltage protection, thermal shutdown and current limit protection. It also provides an audible alarm and light-emitting diode display for feedback of fault conditions.

The evaluation board is equipped with an R-load and electrolytic capacitance to simulate a mid-range power system. Its two-layer design is simple and inexpensive to recreate, while being reliable and easy to maintain. All components necessary for the evaluation board are included.The EVB_RT6251BHGQW is designed for a variety of applications, including AC/DC and DC/DC converters, power amplifiers, lighting, and other low-power devices. It is suitable for applications requiring a high efficiency level, such as energy efficient motors, power analysis, test equipment, and medical devices.

The working principle of the EVB_RT6251BHGQW is based on the switch-mode topology, which utilizes two switches to transfer the energy. It is built on the concept of the classical flyback converter. During the off period, the energy stored in the inductor is transferred to the output capacitor. The stored energy is then gradually discharged, which helps to reduce the output voltage to a desired level. During the on period, the energy is transferred from the input voltage source to the output capacitor. This cycle is repeated continuously in order to keep the output voltage stable and regulated.

The EVB_RT6251BHGQW evaluation board features a proprietary energy recovery system, which increases efficiency and reduces the losses associated with losses during the transfer of energy. It utilizes a MOSFET-based synchronous rectifier at the output, which helps to increase the efficiency of the flyback converter by reducing the output voltage drop. This also increases the system’s overall efficiency and extends the life of the components used in the system.

The EVB_RT6251BHGQW has an ultra-wide input voltage range of 9~130VAC, and can operate at up to 50KHz switching frequency. The wide input voltage allows for operation in worldwide mains input voltage ranges, reducing the need for multiple boards for different regions. The evaluation board is rated for a maximum output power of 60W, and has an efficiency of up to 90%. Its wide ranging output voltage, current, power adjustment and feedback speed makes it suitable for a variety of applications.

Overall, the EVB_RT6251BHGQW is a powerful yet cost effective and easy to use evaluation board designed for the evaluation of the RT6251BHGQW, a flyback converter switching regulator. It features a wide input voltage range, high efficiency, and an energy recovery system. It is suitable for a variety of applications, including AC/DC and DC/DC converters, power amplifiers, lighting, and other low-power devices.

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