V72B5M150BS3

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DC-DC converters, commonly known as DC-DC switching converters, are compact, efficient and reliable power conversion devices, whose main function is to convert an input voltage of a certain magnitude of a particular range into an output voltage of the desired magnitude of the same or different range. The V72B5M150BS3 DC-DC converter is one more example of such a device. In this article we will provide an overview of its application field and working principle.

Applications

The V72B5M150BS3 DC-DC converter is a high power, continuous conduction mode, remote sensing, step-down converter. It is available in a through-hole package and works within a wide-input voltage range of 5V to 16V DC. The features of this converter, allow it to be used in a variety of applications, such as backlighting control, LCD display supply, industrial power supplies, tail light control, LED driver, automotive LEDs control, etc.

Working Principle

The V72B5M150BS3 DC-DC converter follows the typical step-down converter architecture. It uses a switching transistor – typically a MOSFET – to turn itself ON and OFF at fixed intervals. During the OFF period, the energy stored in the input inductor is released to the output capacitor, providing the input voltage to the output side. During the ON period, the switch turns itself ON and a certain amount of current is fed to the primary side of the transformer. The transformer steps down the voltage to the output side. The current is then rectified and filtered into the DC output voltage.

The V72B5M150BS3 DC-DC converter also features remote sensing capability, which helps to manage the output voltage more accurately. The remote sensing mechanism compensates for the voltage drop across the power conversion components. The device monitors the output voltage and makes changes to the duty cycle, accordingly, in order to maintain the desired output voltage.

Key Features

The V72B5M150BS3 DC-DC converter has some very interesting features, that enable it to deliver smooth and stable output voltage. These features, include:

• High efficiency up to 96%.
• Low RFI emission due to PWM switching and spread spectrum technology.
• Adaptive voltage positioning with output voltage range 10V to 24V DC.
• Over-voltage, short circuit and thermal protection.
• High switching frequency, up to 3MHz.
• Compact package.

Conclusion

The V72B5M150BS3 DC-DC converter is one of the newest members of the DC-DC switching converters family. It offers high efficiency, low emission and adaptive voltage positioning, to make it suitable for a wide variety of applications. The compact dimension and high switching frequency make it an ideal choice for industrial applications.

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