DHS250B28-T

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DC-DC converters are omnipresent throughout modern electronics, fulfilling the role of converting a DC voltage to a different voltage, either higher or lower. The DHS250B28-T is one such converter, a high power DC-DC converter designed for a wide range of industrial and commercial applications, offering high performance and reliability. In this article, we will discuss the application fields of the DHS250B28-T DC-DC converter, along with its working principle.

Application Fields of the DHS250B28-T

The DHS250B28-T is a reliable, robust, and high performance DC-DC converter, which has applications in a variety of industries such as aviation, automotive, industrial, and consumer electronics. It is optimized for use in 32W and 48W 2U high-power industrial applications, making it ideal for applications requiring high DC-DC efficiency and power density. It also can be used in other applications such as base transceiver stations, electric vehicles, server power supplies, base station power supplies, and industrial control systems.

The DHS250B28-T is designed for use in harsh environments, including temperature ranges from -40°C to 85°C, vibration levels of 5g-10g, and altitude ranges up to 10km. This ensures reliable operation in demanding industrial settings. It has on/off control, offering flexible system integration and high power savings. It also features a wide input range from 16V to 36V, with an output voltage up to 28V, offering flexible voltage choices and enhanced system performance.

Working Principle of the DHS250B28-T

The DHS250B28-T is a synchronous step-down DC-DC converter. It works by converting a high DC input voltage to a lower DC output voltage, thus enabling efficient and reliable power delivery. It uses synchronous rectification to achieve high efficiency, and it has two fixed switching frequencies of 500kHz and 1MHz, allowing for the use of smaller external components.

The DHS250B28-T uses a constant on-time (COT) control architecture to reduce switching losses. This architecture helps to maintain a stable input current, and it detects the voltage across the inductor to regulate the output voltage. It also features an internal compensation loop to provide greater stability and accuracy. It uses an asynchronous or synchronous design to achieve higher efficiencies, providing the output current ripple and power supply isolation for better stability.

The DHS250B28-T DC-DC converter also features overload protection, UVLO (under voltage protection) and OVP (over voltage protection) for added safety, so it is not damaged by unexpected surges or voltage drops. It also features a thermal shutdown function that kicks in when the internal temperature of the converter exceeds the set value. This ensures the converter is not damaged by excessive heat.

The DHS250B28-T is a high performance, robust, and reliable DC-DC converter, which is designed for use in a variety of industrial and commercial applications. It has a wide input voltage range and a high output power, making it suitable for a wide range of applications. It uses synchronous rectification and a COT control architecture to achieve high efficiency, and it features overload protection, UVLO, and OVP to provide better safety.

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