IND027W Power Supplies - Board Mount

DC DC Converters

DC-DC Converters are used to convert power from one DC voltage to another. In recent years, many new innovations in converter technology have made DC-DC conversions increasingly popular and efficient. One example of a DC-DC Converter is the IND027W, which is designed to operate at higher frequencies than conventional buck and boost converters. In this article, we will discuss the application field and working principle of the IND027W.

Application Field of the IND027W

Due to its high efficiency, low noise, and low cost, the IND027W is suitable for many different applications. It is often used in electronic products such as mobile phones, laptops, and industrial equipment that require a reliable and power saving source of energy. It is also popular in audio and video equipment due to its high level of accuracy, low ripple effect, and excellent charge capacity.

Working Principle of the IND027W

The IND027W converter operates on a unique principle termed "synchronous rectification". This technique uses an internal synchronous switch to convert AC power into a regulated DC voltage. This switch can be either a MOSFET (metal-oxide-semiconductor field-effect transistor) or a JFET (junction field-effect transistor). The switch is controlled by an oscillator, which produces a square wave to regulate the output voltage. The oscillator is usually set to a frequency between 250kHz and 500kHz.

The converter also includes an "active clamping" circuit, which is used to reduce the output voltage ripple. This circuit uses an auxiliary capacitor to absorb the excess energy during the switch-off time and then releases it to the output during switch-on time. The higher the frequency of the oscillator is, the more efficient active clamping works. This makes higher frequencies more desirable for the IND027W.

The IND027W also features an input over-voltage protection circuit. This circuit senses the input voltage and limits it to a safe level. This protects any attached components from potential damage due to unexpected power spikes.

Conclusion

The IND027W is a high-efficiency DC-DC converter that is suitable for many different application fields. Its synchronous rectification technique and active clamping circuit make it highly efficient and reliable. The input over-voltage protection circuit also adds an extra layer of protection against sudden power spikes. This makes the IND027W an excellent choice for many electronic products and audio/video equipment.