PT5501C

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DC DC Converters

The PT5501C is a high performance flexible isolated DC/DC converter that provides up to 2W output power. It features a wide 4 to 18 V input voltage range, making it ideal for applications requiring a wide range of input voltage sources. This versatility makes it the perfect choice for applications including industrial, automotive, communication, medical, test and measurement, and renewable energy systems.

The PT5501C is a single, SMT, isolated dc/dc converter that operates with input voltages from 4.5 to 18V and provides up to 2W output power with efficiency higher than 75%. The operating temperature range is from -40°C to +85°C.

The PT5501C is equipped with output voltage range from 1.2V to 600V. It is also available with variable output voltages, and can be configured for boost, buck-boost, and SEPIC topologies. It is also capable of alternative frequency operation up to 2.2MHz.

The PT5501C is designed to meet demanding needs in industrial, automotive, medical, communication, energy, and test and measurement applications. It is ideal for applications such as telecommunication converters, medical device power supplies, and automotive starting applications. The PT5501C is a high-efficiency, high-performance, and reliable solution for any application requiring a wide input voltage range.

PT5501C Working Principle

The PT5501C utilizes a synchronous buck-flyback converter topology. This topology uses an inductor to store energy from the input voltage and then releases the stored energy when the output voltage needs to be boosted. The synchronous rectifier utilizes switch-mode technology to boost efficiency.The PT5501C also features a frequency-foldback feature which allows it to seamlessly adjust its switching frequency to maximize efficiency at light loads. This efficiency is further enhanced by the use of integrated PowerFETS. These devices provide superior thermal characteristics, allowing the converter to stay cool even at higher load currents. In addition, the PT5501C also features a built-in over-voltage protection circuit to protect against dangerous voltage spikes.The PT5501C also features a programmable shutdown for applications that require low power consumption. It is also available with an optional external control pin that can be used to enable/disable the converter. This feature helps save system power and helps prolong the life of the product.Finally, the PT5501C uses an isolation transformer for low-voltage and high-voltage isolation. This helps protect the system from voltage spikes or electric interference, ensuring long product life.

PT5501C Application Field

The PT5501C’s wide 4-18V input voltage range makes it suitable for a wide range of applications. Its high efficiency and high performance make it ideal for applications such as medical device power supplies, communication systems, automotive power systems, and industrial applications. In medical applications, the PT5501C is ideal as a power supply for medical equipment and instruments that require higher power than a battery can provide. In automotive applications, the converter is ideal for providing power to starter components as well as providing high-precision voltage regulation. Its high frequency operation also makes it suitable for communication systems as it allows for faster and more efficient response times. In industrial and renewable energy applications, the PT5501C is also ideal for providing high voltage and current converters for lower voltage applications.

The PT5501C\'s flexibility and high performance are making it an increasingly popular choice for a wide range of applications. Its versatility, coupled with its wide input voltage range and high efficiency make it the perfect solution for any application requiring a reliable and efficient dc/dc converter.

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