FSDH0265RN

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FSDH0265RN Application Field and Working Principle

FSDH0265RN is a type of PMIC - AC DC Converters, Offline Switchers which is used for providing power to a circuit. The FSDH0265RN has a very low quiescent current of only 500 nA in shutdown mode, which is why it is ideal for the modern Highly Integrated System On Chip (HISOC) applications. The FSDH0265RN has an extensive range of output voltages from 5V up to 23V, making it suitable for powering many systems. Its output protection also ensures that the system remains protected from over-voltage and over-current conditions.

The FSDH0265RN is an synchronous buck DC-DC converter with high current capability, designed to deliver up to 280mA of output current with peak load capability up to 400mA. It is suitable for applications such as telecom base stations and consumer appliances. It is integrated with a Total Error Amplifier (TEC), output voltage monitor, current limitation and Thermal Shutdown (TSD) protection. The monitor output will indicate the level of output voltage and current when the IC is operating under normal conditions. The IC also features soft start, internal frequency compensation and temperature monitoring.

The FSDH0265RN has an external current limit control which allows the user to accurately estimate the maximum current when the system is in full load operation. This ensures that the output voltage remains within the specified range, even when the input voltage varies. The IC also features advanced thermal shutdown technology which prevents it from overheating in case of an overload condition. This technology ensures the system remains within its specified thermal limits, while providing highly efficient and reliable power delivery.

The FSDH0265RN operates by running a switching regulator in a PWM control scheme. It is designed to operate at a frequency of 650 kHz and is able to supply up to 150 W of power with an efficiency of up to 94%. The PWM mode is used for controlling the output voltage and current in order to provide the required power efficiently and in a cost effective way. The advantage of using a PWM control scheme is that it eliminates the need for external components, such as inductors and capacitors, which significantly reduce the PCB footprint.

The FSDH0265RN is a simple and highly efficient solution for providing efficient and reliable power to a wide variety of systems. The high current capability, low quiescent current, integrated features and protection make it ideal for use in most system designs. Furthermore, the consistent and reliable performance and high power conversion efficiency, along with the low profile make it an ideal choice for industrial and telecom applications.

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