DF04D4815A

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DC DC converters are widely used in many different applications due to their excellent efficiency, reliability and safety. DF04D4815A is a DC DC converter developed by O2Micro, a leading provider of embedded power management solutions. It is a highly integrated converter module designed to form a complete building blocks for power management. It features multiple input voltage ranges and offers wide input voltage range up to 42VDC and adjustable output voltage from 0.8V to 5.5V. In addition, it has several useful features such as short circuit protection, current limit setting, and thermal shutdown.

The application field of DF04D4815A includes communication systems, distributed power systems, medical systems, and consumer electronics products. It is suitable for a wide range of applications, such as providing a clean power source for voltage-sensitive components, providing intermediate voltage level conversion, reducing package size and cost of the power supply. The module also provides excellent efficiency, high safety margins, and current-sensing capability.

The working principle of DF04D4815A is based on DC/DC conversion. It has two separate analog sections, one controls the output voltage and the other adjusts the current limit. These two sections are controlled by the power management IC, or PMIC, which is the heart of any power conversion system. When power is applied to the input side, the PMIC sets the output voltage through controlling the voltage of its internal control node. The current limit is set by the PMIC depending on the voltage of the feedback input. When the input is over a certain voltage, the protection circuit within the PMIC will cause the output voltage of the module to be shut down in order to protect other components from overvoltage.

DF04D4815A provides a reliable and efficient way to convert DC input power into an adjustable output voltage for various types of embedded systems. It is highly advanced and feature-rich compared to similar converters from other suppliers. It offers an excellent combination of excellent efficiency, good thermal performance, and stable output. By incorporating the protection circuits, it also increases the safety level significantly.

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