CBS3504828-R

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DC-DC converters are widely used in power electronic design because they offer highly efficient and effective power conversion. One popular type of DC-DC converter is the CBS3504828-R. This device is used in applications that require high accuracy, wide input voltage, a high power density and wide input voltages. It is a isolated, high-efficiency, single-output step-down converter with an input voltage up to 350V DC and an output voltage as low as 1.8V DC.

The first step of using a CBS3504828-R is to decide the best particular part number that fits in the application, balancing input and output voltage as well as current requirements. A convenience feature of this DC-DC converter is its ability to reverse the input voltage polarity so that it can be used for different applications such as AC/DC converters, motor and other powered loads. Once the part number is selected, it is necessary to decide the power requirements before continuing.

The working principle of the CBS3504828-R is fairly straightforward. The input voltage is converted and regulated by a controlled switching regulator using high-frequency pulse-width modulation. In this design, the regulation becomes very accurate because the on and off times of the switching element are regulated according to a feedback loop. This design also provides an isolated output due to the high-frequency transformer used in the power stage.

The CBS3504828-R uses a synchronous rectifier to reduce power losses and preserve high efficiency. The transformer design is optimized for both size and cost, as well as its full load efficiency. The onboard control circuit monitors and adjusts the output voltage, current, and temperature of the device to ensure that the converter remains within specifications. Additionally, the device includes features such as over-voltage protection, short-circuit protection, over-temperature protection, and overtemperature warning.

The CBS3504828-R is designed to meet the requirements of numerous applications. Applications where high-accuracy regulation and target insolation is required include instrumentation and communication equipment, automotive systems, home automation and power lighting. Additionally, the specialized power supply design (no bulky heatsinks and fan noise) of the CBS3504828-R make it a perfect choice for applications that demand low-noise operation in a small profile.

In summary, the CBS3504828-R is a high-accuracy single-output, isolated DC/DC converter that allows the user to optimize a power supply design for their specific application. The synchronous rectifier ensures high efficiency and its transformer converter provides an isolated output voltage. Its features of over-voltage and over-temperature protection make it a safe option for a variety of applications. It is the perfect choice for instrumentation and communication equipment, automotive systems, home automation, or any low-noise application that requires a high power density in a small input voltage range.

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