PT6502N

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DC-DC converters are a type of power converter which can convert a direct current (DC) input voltage to another DC output voltage. The PT6502N is a highly efficient DC-DC converter with a range of features which make it well suited for a variety of applications. This article will provide a detailed overview of the PT6502N’s application fields, working principle and other key features.

Applications
The PT6502N can be used in a variety of applications due to its high efficiency and range of features. These include military applications, automotive applications, lighting, medical and industrial controls, amongst many others. The PT6502N offers high power density and ultra-low noise in order to meet the needs of these applications.

Working Principle
The PT6502N operates through voltage mode control (VMC) and its high-speed current mode control (CMC) topology. In VMC, the PT6502N monitors the output voltage of the buck converter to keep a constant output voltage. The VMC protects the converter against overloads and the inductor current is minimized to reduce power dissipation. The CMC topology allows the efficient control of the output current of the buck converter, allowing for efficient power delivery.

The PT6502N uses an accurate voltage-controlled current source (VCCS) to adjust the inductor current. The VCCS is connected to the inductor and operates as an accurate voltage source. This allows the converter to adjust the output current in order to maintain a constant output voltage. The PT6502N also uses average current mode and cycle-by-cycle current limiting to further ensure stable operation of the buck converter.

Features
The PT6502N features a wide input voltage range of 6V to 34V as well as an adjustable output voltage range from 1.5V to 28V. It also has an adjustable switching frequency of 200kHz to 2MHz, a high power density of up to 9W/cm3 and an efficiency of up to 94% at the nominal output current. The PT6502N also features overcurrent and overvoltage protections for protection against power consumption overloads and the device also has a current mode protection circuit to avoid short-term undervoltage locks in the case of sudden dips in input voltage.

The PT6502N is a highly efficient DC-DC converter and its wide range of features make it well suited for a variety of applications. It’s VMC and CMC topology combine to provide an efficient and accurate solution for power delivery which can be used in applications such as automotive, medical, lighting and more. With its range of protections, the PT6502N ensures reliable operation and power delivery, even when there are sudden dips in input voltage.

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