VE-21V-CY

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DC DC converters take a direct current input from one voltage level and provide an output of a different voltage level. They are used in a wide variety of industrial, automotive, and consumer applications anywhere power needs to be converted from one level to another, and are capable of providing up to 95% efficiency with minimal power loss, meaning less energy is wasted and more power is converted. The VE-21V-CY is one such DC DC converter, and this article will discuss its application field and explain the working principles behind its function.

The VE-21V-CY is a high efficiency, ultra-compact off-line, isolated functional module that takes a 48V input and provides an output of 21V with a maximum power rating of 50W. This module is commonly used as a DC/DC converter power supply for your board-level applications, such as powering industrial and automotive controllers, sensors, PLC and other industrial and consumer electronic devices. It provides high power efficiency and low ripple noise, making it a reliable choice for these types of applications.

The VE-21V-CY uses a circuit design known as a buck converter, where the input power is switched between the inductor and the output capacitor to produce the desired output voltage. In short, the circuit works by rapidly switching turns the input power on and off while regulating the output voltage with an error amplifier and an enable signal from a dedicated system microcontroller. When the enable signal is high, the converter is enabled and the circuit works as described above. When the enable signal is low, the conversion process stops and the inductor is effectively disconnected from the input voltage.

The VE-21V-CY has some other unique features that help it perform better. It has a wide input range from 36 to 75V, and a wide operating temperature of -40°C to 85°C, allowing it to work in a broad range of environments and applications. It also has a built-in over-temperature protection circuit to ensure reliability and long-term usability of the device. Additionally, the VE-21V-CY has a unique pulsed current-mode control algorithm which allows it to offer excellent load and line transient responses.

In summary, the VE-21V-CY is a highly efficient, ultra-compact and reliable DC/DC converter that is capable of providing up to 95% efficiency with minimal power losses. It is used in a variety of industrial, automotive, and consumer applications where power needs to be converted from one level to another. Its unique features include a wide operating temperature range, built-in overload protection, and pulsed current-mode control algorithm to ensure reliable performance. The working principles behind its operation involve the buck converter circuit design where the input power is switched between the inductor and the output capacitor to produce the desired output voltage.

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