SE03D4815A

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DC DC Converters

DC DC converters, also referred to as DC-DC, are electrical circuit devices that convert electrical energy from one direct current (DC) source to another. They are used in a wide range of applications, including power supplies, renewable energy systems, automotive battery charging, portable devices, industrial and medical devices, and more.

SE03D4815A Application Field and Working Principle

SE03D4815A is a DC-DC converter manufactured by the Shenzhen Keyugang Technology Co., Ltd. The device is a high efficiency non-isolated buck DC/DC converter with an input voltage range from 8V to 36V and an output voltage of 5V±10% with an output current of up to 15A.

The ability of this device to handle such a wide range of input voltages makes it applicable to a variety of application fields, such as Industrial machines, power supplies, telecommunication systems, computers, automotive, smart home, consumer electronics, LED lighting and other applications which are in need of a reliable and efficient DC-DC converter.

The working principle of the SE03D4815A is based on the switching power supply system. It is composed of the switching controller, MOSFET switch, inductor, filter capacitor and other components. It works by applying alternating current (AC) to the switching elements, which in turn switches on and off to convert the input voltage to the output voltage.

The SE03D4815A features an efficient PWM control scheme that reduces power loss in the converter. It also features a soft start function, which gradually ramps up the output voltage to its full rated voltage, and a low ripple noise of around 30mVp-p.

The device is highly reliable and features over-current protection, over-voltage protection, short-circuit protection, and over-temperature protection. It also has a wide temperature range of -40°C-90°C and is able to operate at high temperatures.

In addition to its high efficiency and reliability, the device is small in size and lightweight. It measures 48mmx15mm and weighs in at 15g, making it an ideal solution for a wide range of applications.

Conclusion

The SE03D4815A is a high-efficiency non-isolated buck DC/DC converter with input voltage from 8V to 36V and can output current up to 15A. It features PWM control for efficient conversion and has protection against over-current, over-voltage, short-circuits, and over-temperature. It is suitable for a wide variety of application fields, such as industrial, automotive, and consumer electronics.

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