V375C48C150BS3

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DC-DC converters are essential for efficient operation of electrical systems. The V375C48C150BS3 is one such converter. It is designed to provide reliable power conversion, regardless of varying levels of input power. The device is suitable for a variety of applications, including computing, telecommunications, industrial instrumentation, test and measurement, and medical electronics.

The V375C48C150BS3, also known as a buck converter, offers a wide input voltage range of 36V to 75V and a constant output voltage of 48V with a current rating of 150A. It offers a power conversion efficiency of up to 95%, allowing it to reduce energy consumption, and its compact size makes it ideal for space-constrained applications.

The converter is based on a synchronous rectifier configuration. It uses a Pulse Width Modulation (PWM) control with adaptive voltage scaling (AVS) to provide high efficiency and output current control down to zero. PWM control works by alternately switching the transistors on and off at a constant frequency, allowing the output voltage and current to be adjusted. AVS dynamically adjusts the frequency of the output waveform based on load requirements to maintain a more constant output voltage over a wide input voltage range. This ensures that the output voltage remains constant despite fluctuations in the input voltage. The synchronous rectifier configuration also minimizes switching losses and reduces conduction losses.

The V375C48C150BS3 has a wide temperature range and can operate over a temperature range of –40°C to +85°C. It has a built-in thermal shutdown protection function to protect the system from potential damage caused by over-temperature and a soft-start feature to reduce inrush current. It also has an input undervoltage lockout and an output overvoltage protection to protect the system from excessive input and output voltage.

Furthermore, the V375C48C150BS3 meets the requirement for EN 55032 class B EMC performance and has CLAMP and integrating EMI filter circuitry to reduce conducted output interference. It has a high surge capability of 2kW with rated input voltage and a low total harmonic distortion of less than ＜2%.

The V375C48C150BS3 is an effective and efficient DC-DC converter solution. Its wide input voltage range and PWM AVS control provide reliable and accurate power conversion at varied load levels while its small size and high efficiency make it ideal for space-constrained applications. The device’s various protection features and high surge capability make it a reliable and robust solution for a wide variety of applications.

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