V72B12T250BF2

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DC-DC converters are electronic devices used in a variety of applications that convert a DC voltage from one level to another, such as from 12V to 24V. The V72B12T250BF2 model is a high-power, full-bridge, DC-DC converter designed for high performance in both step-up and step-down mode. It is a cost-effective solution for higher-power applications such as distributed power systems.

Introduction

The V72B12T250BF2 DC-DC converter from Fairchild Semiconductor is a full-bridge, high-power DC-DC converter designed for high performance in both step-up and step-down mode. This converter is a cost-effective solution for distributed power systems that require higher power. The V72B12T250BF2 offers high efficiency and low cost advantages, while providing good design flexibility.

Applications

The V72B12T250BF2 is suitable for a wide range of applications, including:

• Distributed power systems
• Battery-powered systems
• Point-of-load regulation
• Renewable energy systems
• Power over Ethernet (PoE) systems

Working Principle

The V72B12T250BF2 has two output leads that supply power to the system. The converter is designed to operate in either a step-up or a step-down configuration by adjusting the duty cycle of the pulse width modulated (PWM) signal applied to the upper Mosfet. The input voltage and duty cycle of the PWM signal are used to determine the output voltage.

The switching frequency of the converter is determined by an external resistor. The integrated MOSFETs can handle switching frequencies up to 1MHz, allowing the converter to achieve efficient operation while allowing flexibility in design. The output voltage can be programmed to any level between 0 and the input voltage by adjusting the duty cycle.

Features

The V72B12T250BF2 DC-DC Converter has many features, including:

• Wide operating voltage range from 2.6V to 24V
• High efficiency up to 95%
• Open frame design for easy installation
• Internal over-current protection and temperature shutdown
• Integrated heat sink for improved reliability and thermal performance
• Low external component count for easy design and fast prototype

Conclusion

The V72B12T250BF2 DC-DC Converter is a high-power, full-bridge, DC-DC converter designed for both step-up and step-down applications. This cost-effective solution offers the flexibility of a wide operating voltage range and high efficiency. The integrated MOSFETs allow the converter to operate efficiently with fast switching frequencies while providing excellent thermal performance.

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