SPD481201BN

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AC DC Converters

DC-DC converters are an essential component in many applications, providing a efficient way to convert a DC input voltage into a usable DC output voltage. The SPD481201BN is a compact, highly efficient AC-DC converter designed for applications with a wide input voltage range. It can be used to power many different types of electrical and electronic components, and its low standby power consumption makes it an attractive option for energy efficient applications.

Overview

The SPD481201BN is a compact, highly efficient AC-DC converter that can provide an output voltage of 12 V at up to 1 A of current. It features a wide range of input voltages of 85 VAC to 305 VAC, enabling it to be used in multiple locations. The converter features an active power factor correction (PFC) circuit architecture, allowing it to deliver high efficiency and low power consumption even over greatly varying input voltage, frequency and load conditions. The SPD481201BN\'s high efficiency power conversion ensures minimal heat dissipation and significantly reduces component stress during operation.

Application Field

The SPD481201BN is suitable for a wide range of applications, including office equipment, security systems, consumer electronics, LED lighting and automotive components. Its small size, high efficiency and wide input voltage range make it ideal for powering devices in locations where the input voltage may not always be reliable or consistent. The converter\'s PFC design ensures that it can deliver reliable power while operating with greatly varying load conditions, making it a good option for powering devices that can experience large load changes.

Working Principle

The SPD481201BN is a PFC switched mode power supply (SMPS) design that consists of a regulator, rectifier, PFC boost converter and an inverter module. The regulator uses a rectifier circuit to convert the AC input to DC, and then feeds this low-level DC voltage to the PFC boost converter. The boost converter increases the input voltage to the required level for the inverter module. The inverter module then produces the regulated output voltage and current, and feeds this to the load. The input high voltage is used to boost the output voltage, and the PFC circuit is used to reduce the harmonic distortion of the input current waveform.

Conclusion

The SPD481201BN is a highly efficient, compact AC-DC converter designed for applications with a wide input voltage range. Its PFC design ensures high efficiency, low power consumption and reliable output voltage over varying input voltages, frequencies and load conditions. As a result, it is perfect for powering devices in locations where the input voltage is not reliable or consistent.

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