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DC-DC Converters: VTM48ET160T015A00 Application Field and Working Principle

DC-DC converters are a type of power conversion technology used to convert electrical power from one form to another. A DC-DC converter is used to convert energy from one type of electrical power to another type of electrical power, such as AC to DC or AC to DC. A DC-DC converter is available in a variety of power levels, depending on the intended application. A DC-DC converter is a two-port electrical or electronic device used to change the voltage level of an electrical signal by controlling the amount of current flowing through the device.

The VTM48ET160T015A00 is a high-efficiency, feature rich, compact DC-DC converter designed for Point-of-Load (POL) applications. This device uses Encapsulated Package on Package (EPoP®) technology to incorporate the power switch, controller, and magnetics in one compact package, making it ideal for powering next-generation POL applications.

Application Field

This converter is ideal for a variety of applications, such as Server Rack Power, High-density Computing blades, Network Routers, Switches, Storage Systems, wireless Base Stations and more. It is able to achieve a power density up to 40W per cubic centimeter and deliver energy efficiencies of up to 95% for 48Vin and ≤ 30Vout applications, making it perfect for high-end point-of-load processing and machines.

Working Principle

The VTM48ET160T015A00 is based on a switching converter circuit. Switching converters are a form of DC-DC converters that utilize switches to pass an electric current in pulses. When a switch is on, current passes, and when it is off, no current passes. By varying the on/off timing of the switch, and thus the width and frequency of the pulses, the voltage and the current are regulated. A key component in this type of device is the transformer, which can step up or step down the voltage as required.

The signal from the controller to the power switch turns the power switch on and off, thus creating a pulse width modulated signal. The pulse width modulation is used to control the amount of energy flowing through the switch, which in turn controls the power output of the converter. The transformer then boosts or reduces the voltage depending on the application. Finally, the output is rectified and filtered to provide either a DC or an AC output.

The VTM48ET160T015A00 features a high switching frequency of up to 2MHz and advanced PWM control to ensure efficient and reliable power regulation. It also features a wide input voltage range of 4.5V to 48V to ensure compatibility with a wide variety of input sources. The device is also designed to be efficient, with a high conversion efficiency of up to 95%.

Conclusion

The VTM48ET160T015A00 is a high-efficiency, feature rich, DC-DC converter that is ideal for powering a variety of next-generation Point-of-Load (POL) applications. This device features a wide input voltage range, a high switching frequency, and advanced PWM control for efficient and reliable power regulation. It is able to enable system designers to achieve a power density up to 40W per cubic centimeter and energy efficiencies of up to 95%.

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