AEE00BB18-LS

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DC/DC converters are electronic components that use direct current (DC) power in order to regulate, convert, or control the flow of AC electrical energy with maximum efficiency. They offer flexibility when it comes to AC and DC power sources, as they are able to settle into different power levels, ranging from linking renewable power sources to the main grid, to providing power for electric vehicles. A common example of a DC/DC converter is the AEE00BB18-LS, a high-power density and ultra-wide input voltage, synchronous buck converter.

The AEE00BB18-LS converter is designed specifically as a point of load (PoL) DC/DC converter with an input voltage range of +4.5V to +19V and a maximum output voltage of +3.3V, all achieved at maximum power levels of up to 18A. This makes the AEE00BB18-LS the ideal solution for applications such as Lighting, Automotive, Smart Metering, Industrial Systems, Power Supplies, and Medical Devices.

The AEE00BB18-LS converter is also equipped with an internal MPU, enabling users to make use of the powerful and versatile features of the MPU. It provides access to multiple settings such as step-down ratio, voltage setting, frequency, soft start, and load evaluation, as well as different modes such as fixed frequency operation and BURST MODE operation. Additionally, the device is highly reliable and has advanced protection features such as feedback overvoltage protection, output current limitation, thermal shutdown, and over-temperature protection.

The working principle of a DC/DC converter is relatively simple. A device connected to a DC power source is used to convert the incoming DC power. Two switches are used to construct the buck converter which converts the high input voltage to the desired output voltage while maintaining the same current and power. The two switches, which alternate the names of high-side power switch and low-side power switch depending on the current status, regulate the output voltage to the desired value by opening and closing in a controlled manner.

In the case of the AEE00BB18-LS converter, the high input voltage from the DC power source is connected to the high-side power switch. The ground strap is connected to the low-side power switch, forming a closed loop. The output voltage is then determined by the step-down ratio and feedback adjustment of the power switches. The two switches are opened and closed by the MPU based on the pre-defined settings, maintaining a steady output voltage.

In summary, the AEE00BB18-LS DC/DC converter is an excellent high-power density and ultra-wide input voltage, synchronous buck converter, making it the perfect choice for any application which requires a reliable PoL DC/DC converter. Its advanced protection features and MPU enable users to make use of powerful and versatile features, providing an optimal solution for any application.

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