THL 3-4822WI

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DC-DC converters are an essential component of many electronic circuits. They are used to convert a DC voltage from one level to another, usually for the purpose of powering some type of electronic device. The THL 3-4822WI is one type of DC-DC converter useful in a wide variety of applications. This article will discuss the application field and working principle of this particular DC-DC converter.

The THL 3-4822WI is a synchronous buck converter with an efficiency rating up to 95%. It is a high-power device capable of outputting 48V at 22A with a maximum operating frequency of 300kHz. This makes it ideal for applications such as telecommunications, computer systems, industrial controls, and power distribution systems. Additionally, the THL 3-4822WI operates over a wide input voltage range of 9V to 36V. Its low quiescent current and low output ripple make it suitable for applications which require noise sensitive power supplies.

The working principle of the THL 3-4822WI can be broken down into three steps. First, an internal oscillator synchronizes the device’s switching frequency to the input voltage. This allows the efficiency of the converter to be optimized for the input voltage. Next, an internal power switch is opened and closed at this frequency. This creates a pulse-width-modulated (PWM) voltage waveform which is applied to the primary side of a transformer. Finally, the transformer steps-down the output voltage to the desired level, which is then rectified and filtered to create the desired DC output voltage.

In summary, the THL 3-4822WI is a high-power synchronous buck converter with an efficiency rating of up to 95%. Its wide input voltage range and low quiescent current make it ideal for applications which require noise sensitive power supplies. Additionally, its three-step working principle ensures that the output voltage is accurately regulated and optimized for the input voltage. As such, the THL 3-4822WI is a versatile and reliable DC-DC converter for many different applications.

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