PT4853N

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DC DC Converters

The PT4853N is a high performance DC/DC converter which is suitable for a wide range of industrial and automation applications. It is a fixed frequency and voltage step-down converter with high power efficiency. It provides an adjustable output voltage with a wide input voltage range from 6V to 36V. It is designed for high reliability and high power efficiency in demanding applications.

Application Field

The PT4853N is suitable for a wide range of industrial, automation and general-purpose voltage regulation applications. It is especially suitable for applications in the fields of robotics, automotive, communications, and power supply systems. It can also be used in renewable energy systems, such as solar energy conversion, to convert the solar power into a regulated output voltage. It is designed to be resistant to temperature, humidity, and shock and vibration.

Working Principle

The PT4853N is a buck converter which operates in a fixed frequency voltage step-down mode. The input power is converted into a regulated output voltage with a high efficiency rate. It has an adjustable output voltage with range from 0.8V to 24V. The output current is limited by an internal current limit circuit. It has an adjustable switching frequency from 50kHz to 550kHz.

It uses a small electrolytic capacitor to act as a ripple filter and reduce the noise from the power supply. The efficiency of the converter is high with a typically 90% efficiency at full load. It has a wide input voltage range of 6V to 36V. The converter has a wide temperature range and can operate in ambient temperatures from -40°C to +85°C.

The converter is protected against overvoltage, overcurrent, and over temperature conditions. It also has undervoltage lockout (UVLO) to prevent an unsuccessful startup. The converter has a thermal shutdown circuit which will shut down the converter when the temperature exceeds the predetermined threshold. The converter also has an adjustable soft-start feature which can be used to limit the inrush current during startup.

The PT4853N is an effective DC/DC converter for a wide range of applications. It has a very high efficiency rate and a wide input voltage range. It is designed for high reliability and for a wide temperature range. Its adjustable output voltage and current limit protection make it an ideal choice for a range of industrial and automation applications.

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