UCC38050P

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PMIC - PFC (Power Factor Correction) are commonly used to improve the efficiency of a system\'s power grid. This is accomplished through a variety of methods, one of which is to use a high-efficiency synchronous buck dc-dc converter, such as the UCC38050P. The UCC38050P is a switching regulator designed to provide an accuracy of 10% over an operating input voltage range of 28V to 40V at up to 50kHz switching frequency.

UCC38050P Application Field

The UCC38050P is suitable for various high-current applications, such as server, telecom, and industry power supply system, where the minimized size, high efficiency, and high accuracy of the device are essential. It is suitable for applications that require a regulated output voltage of 9V to 13.5V and with a maximum load current of 3.3A.

The key features that make the UCC38050P an ideal choice for these applications are its high power density, high efficiency, high accuracy and wide input voltage range. It also has internal over-temperature protection, which prevents the device from being damaged in case of overload. This enhances its safety and reliability.

UCC38050P Working Principle

The basic working principle of the UCC38050P is a simple buck converter. The device receives the input voltage from the power grid and converts it into a regulated output voltage. The device has two main parts, the power switch and the controller. The power switch is responsible for controlling the flow of current across the device. The controller regulates the power switch to ensure that the output voltage is held steady.

The UCC38050P uses a synchronous buck-type converter with a fixed frequency switching mechanism, which allows the device to operate at high efficiency over a wide input voltage range. The switching frequency of the converter can be adjusted to provide a regulated output voltage with minimal ripple.

The UCC38050P features a control loop with low voltage drop which allows for faster response time and a high current limit. This allows the device to provide higher accuracy and more efficient power conversion. The device also features an under-voltage lockout circuit that ensures that the input voltage is always above a certain threshold.

The UCC38050P also has integrated short circuit protection and an over-temperature protection. These features ensure that the device is safe to use and that it can operate reliably under heavy loads.

Conclusion

The UCC38050P is an ideal choice for applications that require a high-efficiency and high-accuracy synchronous buck dc-dc converter. Its wide input voltage range and power density make it suitable for a variety of applications, and its integrated protection circuits ensure that the device can operate reliably under heavy loads. This makes the UCC38050P an excellent choice for any application that requires a high degree of power factor correction.

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