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DC DC Converters

A DC DC converter is a device that converts direct current (DC) input voltage into a different direct current output voltage. These converters are used for diverse power management applications for any type of electronic device. DC DC converters come in a wide variety of types and sizes, depending on the desired power conversion. The most common types are the buck, boost, buck-boost, and isolated types. Each of them works on different principles, so it is important to choose the right type for the application. Here, we will focus on the principles and applications of the VE-JNB-EW-F1 DC DC converter.

VE-JNB-EW-F1 Application Field

The VE-JNB-EW-F1 DC DC converter is designed to provide a highly regulated output voltage over a wide range of input voltages. This type of converter is primarily used in portable device applications where power efficiency is important, such as laptops, cell phones, and tablets. It is ideal for applications requiring small size, low cost, and wide input voltage range. The converter is available in an ultra-compact SIP 8 pin package, making it suitable for use in limited-space applications.

VE-JNB-EW-F1 Working Principle

The VE-JNB-EW-F1 converter works on the switched-mode power supply (SMPS) concept. This means that it operates by alternating between DC voltage conversion and power transfer in an effort to achieve power efficiency. The device operates in two different modes: fixed frequency and pulse frequency modulation (PFM). In fixed frequency mode, the converter utilizes a fixed oscillator to control the switching frequency, allowing for better power efficiency. In pulse frequency modulation mode, the frequency of operation is automatically adjusted based on the input and output voltage, providing better load regulation.

The VE-JNB-EW-F1 converter features two stages of operation: Buck-Boost, and Inverting. In Buck-Boost mode, it acts as a voltage regulator, providing constant output voltage over a wide input voltage range. In Inverting mode, the device acts as an isolated DC converter, providing a negative voltage output from a single positive input voltage. The converter has built-in internal current and thermal protection to prevent it from overheating and overcurrent situations.

Conclusion

The VE-JNB-EW-F1 DC DC converter is a versatile and reliable power conversion solution for portable device applications. Its ultra-compact size and wide input voltage range make it ideal for these types of applications. The converter operates on the switched-mode power supply concept, allowing for greater power efficiency and load regulation. The device features both a buck-boost and inverting mode for different power conversion requirements. With its built-in protection features and efficient power supply capabilities, the VE-JNB-EW-F1 converter proves to be a great choice for any power management application.

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