PT5803N

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DC-DC converters play an important role in the design of modern electrical systems due to their ability to convert power from one level of voltage to another. They also offer great efficiency, robustness and small physical size making them attractive to many applications. The PT5803N is an all-in-one, high performance, cost effective DC-DC converter that is becoming increasingly popular in many fields of design. In this article, we will look at the application fields and working principle of the PT5803N.

The PT5803N offers a wide range of system configuration possibilities by providing up to three independent dwell points and Power Factor Correction (PFC) enable. It is also a low noise, low profile module that is ideal for applications such as automotive and industrial lighting, telecommunications systems, embedded systems, and many other high power applications. The PT5803N has up to 3KW output current and can deliver up to 88% efficiency with a very wide input voltage range of 2.5V-60V.

The PT5803N features an advanced switching architecture which enables the design of high efficiency and low active components count solutions. The converter consists of an input stage based on an Insulated Gate Bipolar Transistor (IGBT) configuration and a synchronous rectification stage based on a Synchronous MOSFET technology. The IGBT provides excellent robustness and high power conversion efficiency while occupying a small area.

The PT5803N also features a proprietary Constant On-Time (COT) control architecture which provides comprehensive output voltage control in hard-switching conditions while avoiding any overshoot at very low switching frequencies. This allows the design of a very compact solution due to its low switching frequency capabilities (100kHz – 300kHz). The PT5803N can also be combined with two PWM protection and control subsystems to provide an enhanced protection for the system and to improve the dynamic response. This makes the PT5803N a very attractive solution for power management applications.

The PT5803N offers a wide range of features that enable efficient power delivery to the load. Its advanced features include an adjustable peak current limit and foldback, an adjustable operating frequency and a low-speed mode with PWS support. Additionally, the PT5803N provides a wide variety of protection features including overvoltage, overcurrent, thermal shutdown and PWM frequency control.

The PT5803N provides a very efficient and reliable solution for high power applications, making it the ideal DC-DC converter for a wide variety of applications. Its advanced features provide improved system efficiency, robustness and small physical size allowing for the design of efficient solutions. The PT5803N is the perfect solution for automotive and industrial lighting, telecommunications systems, embedded systems, and many other high power applications, all of which require efficient and reliable power delivery.

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