DKA15A-05

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DC-DC converters are used to convert a DC input voltage to a different DC output voltage. The most common type of DC-DC converter is the buck converter, which is a type of linear regulator that has an input, an output, and a control loop to regulate the output voltage. The DKA15A-05 is a specific type of buck converter.

The DKA15A-05 is a step-up DC-DC converter designed for high efficiency applications. It has a wide input voltage range of 3V to 18V and a fixed output voltage of 5V. It uses a synchronous rectification to achieve up to 95% efficiency and an active current limit circuit to protect against short-circuit. The DKA15A-05 is also equipped with over temperature and overvoltage protection.

The working principle of the DKA15A-05 is relatively simple. When the input voltage is greater than the set output voltage, the internal MOSFETs start conducting, and the circuit starts to drive current from the input to the output. As the current passes through the inductor, energy is stored in the magnetic field. When the MOSFETs turn off, the current stored in the magnetic field is discharged into the output capacitor through the diode, thus providing the output voltage.

The DKA15A-05 is suitable for a wide range of applications, such as computers, tablets, power supply systems, automotive DC-DC converters, consumer electronics, and so on. It can be used to convert the auto battery voltage or rectified AC voltage to a stable 5V output voltage. This helps to protect the system from overvoltage or over temperature. Compared to traditional linear regulators, the DKA15A-05 offers advantages of higher efficiency and better performance, and it can also save space in the design of your system.

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