PT5111C

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

DC DC Converters
DC-DC converters are electronic circuits that take power from a DC bus and convert it into another type of power, typically a lower voltage. The PT5111C is a four-quadrant, high-efficiency, DC-DC switch-mode regulator, featuring constant voltage and/or current control technology. It can be used in different applications and widely used in industry and are generally classified as unregulated, regulated and adjustable types.

Application Fields
The PT5111C is suitable for use in a variety of applications, including battery chargers, AC adapters, solar charging systems, LED lighting, and other power promotional projects. It is an ideal choice for high-efficiency parallel/multi-phase operations in electricity storage related environments. For example, the device can be used when two or more DC-DC regulators are connected in parallel or in multi-phase output configurations to provide a higher output current.

Working Principle
The PT5111C operates under continuous conduction mode (CCM) and supports constant voltage, constant current, input/output separate interface to ensure that the output voltage/current/power will remain stable even under the given input conditions. It adopts synchronous rectification technology which improves the switching efficiency up to 95%. The device has two voltage feedback nodes, one for minimum voltage droop and the other for controlling the high and low voltage ranges. This helps in maintaining constant output voltage even when the load current fluctuates. The PT5111C includes a thermal protection circuit, allowing it to remain safe if the temperature goes above or below a certain range. In order to ensure reliability and long life even under harsh conditions, the device also contains protection against over voltage, over current, over temperature, short circuit and reverse current protection.

Conclusion
The PT5111C DC-DC switch mode regulator is a highly efficient device that has many applications. It is designed to give constant voltage and/or current output, even under varying input conditions. It uses synchronous rectification technology to achieve up to 95% switch efficiency. Additionally, the device also incorporates protection circuits against temperature, voltage, current, over current, short circuit and reverse current. This makes it reliable and safe for many applications, including battery chargers, AC adapters, solar charging systems, LED lighting and other power promotional projects.

The specific data is subject to PDF, and the above content is for reference