NCP3170BGEVB

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The NCP3170BGEVB is a highly efficient, self-contained evaluation board designed and developed to enable easy evaluation of the NCP3170 synchronous step-down (buck) DC/DC and AC/DC (off-line) SMPS (switched mode power supply) integrated circuit in typical offline applications. The NCP3170BGEVB board operates from a wide input voltage range, and provides an adjustable output voltage with a maximum load current of up to 3A.

The features of the NCP3170BGEVB make it an ideal solution for the evaluation, prototyping and optimization of 50W or less nominal power applications such as AC/DC adapters, external power supplies for consumer and industrial applications, battery chargers for automotive and industrial appliances, low-power lighting solutions, and commercial and home appliances.

The board offers a range of features including an automatic switchover between flyback and buck modes, over-temperature protection, under-voltage lockout, over-voltage protection, and the ability to limit inrush current. The NCP3170BGEVB also features a high-resolution LED diagnostic button for checking the output voltage and current, as well as a fault indication LED for identifying any errors.

The NCP3170BGEVB is a compact unit that operates efficiently and provides low-noise operation. It supports a wide range of operating supply voltages (90-265Vac, 85-370Vdc) and output load current up to 3A. It also has two different operating modes, “fixed frequency”, and “CCM” (continuous conduction mode). The NCP3170BGEVB is capable of achieving efficiencies up to 89.9%, making it an energy-efficient solution for power applications.

The NCP3170BGEVB works on the basis of synchronous step-down conversion which is a relatively simple and cost-effective topology for AC/DC (off-line) and DC/DC applications. This basic topology is commonly used for powered products that require a clean output voltage and high efficiency. Synchronous step-down conversion reduces the energy losses by switching these power components at higher frequencies. The NCP3170BGEVB also utilizes a fixed-frequency voltage control loop that allows simple control of both voltage and current across the full range of loading conditions.

The NCP3170BGEVB is an important tool for designers and engineers who are engaged in the design and development of AC/DC (off-line) and DC/DC power solutions. This board simplifies the power design process and eliminates the need for extensive power design knowledge and experience by providing a simple, all-in-one package that is easy to use and can be quickly programmed and tested. It also offers an example of how modern power supplies can be designed for optimization, performance and reliability.

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