NCP1052P136

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Introduction

The NCP1052P136 is an offline isolated AC/DC converter from ON Semiconductor. It is an integrated resonant power device that provides universal input voltage range from 85VAC to 265VAC, up to 90% efficiency, improved EMI filter performances, and low component count. This device is an ideal choice for telecom power supply applications, notebook adapters, and general purpose offline applications.

Application Field and Working Principle

Application Field

The NCP1052P136 can be used in a variety of applications where AC power needs to be converted to DC power. It is a popular choice for offline applications such as battery chargers, laptop power adapters and telecom power supplies. It can also be used in industrial applications where there is need for a rectifier such as machine tools, industrial control systems and lighting.

Working Principle

The NCP1052P136 works by converting AC power to DC power. The device has two stages: the power factor correction (PFC) stage, and the DC/DC converter stage. The device operates in discontinuous conduction mode (DCM), enabling it to achieve high efficiency and good harmonic performance. The PFC stage of the device contains a high voltage MOSFET which acts as a rectifier, rectifying the input AC voltage and computing the average DC output voltage. The DC/DC converter stage is a synchronous rectifier which generates a DC output from the rectified AC power.

Benefits

The NCP1052P136 offers numerous advantages compared to other power converters. It is a highly efficient device, achieving up to 90% efficiency. It also has a universal input voltage range which allows it to be used in different global locations. The device also has advanced EMI filter performances, providing clear audio and video signals with minimal interference. The low component count of the NCP1052P136 makes it easy to designs and reduces board size as well as cost.

Conclusion

The NCP1052P136 is an ideal choice for battery chargers, laptop power adapters and telecom power supplies. It is a highly efficient device, achieving up to 90% efficiency. It has a universal input voltage range and advanced EMI filter performances. The low component count makes it ideal for applications where size and cost matters.

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