AEE01BB18-L

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DC–DC converters provide power conversion from a source of direct current (DC) input into a DC output of different magnitude, which can be regulated and conditioned for further utilization. AEE01BB18-L is a type of DC–DC converter, specifically a device which takes a 48V DC input and outputs up to 3.6V and a maximum current of 18A. The device is designed to be highly reliable, with self-protection features incorporated to guard against under-voltage lockout, short circuit protection, and thermal shutdown.

AEE01BB18-L is an ideal solution when a reliable, high-performance and cost-effective DC–DC conversion is required. It is a perfect fit for applications such as Data Centers, Telecommunications, Automotive, Aerospace and Defense, and the Medical field.

In terms of working principle, the converter employs a boostbuck topology, which combines buck and boost circuits in one low power device. The buck topology operates as a step down regulator, while the boost topology functions as a voltage boost/inversion circuit. When the input voltage is higher than the output voltage, the entire circuit behaves as a buck regulator, and when the input voltage is lower than the output voltage, the circuit functions as a boost regulator.

AEE01BB18-L uses a synchronous six-level full bridge converter, allowing it to regulate the output voltage accurately. The reference voltage is generated using a voltage comparator to set the duty cycle of the synchronous six-level full bridge converter, while the output voltage is monitored by an on-chip analog-to-digital converter (ADC).

In addition, a complex control loop implemented in the device provides additional functions such as feedback, soft-start, short protection, current limit, overload protection, etc. The device incorporates non-linear inductors and a patented technique called the ‘crow bar control’ which enables the device to be more robust and to reduce ripple current at a high-current load.

The device is also available with a wide input voltage range, allowing it to operate with an input voltage of up to 80V and maintain high efficiency at full load over the entire input voltage range. It is also designed to be highly efficient, with a wide operating temperature range of -40°C to +105°C and a high-levels of integration to reduce external components.

In conclusion, AEE01BB18-L is a highly reliable DC–DC converter which can be used in a wide variety of applications, such as Data Centers, Telecommunications, Automotive, Aerospace and Defense, and Medical fields. It provides high efficiency and wide input voltage range, and incorporates complex control loops and additional features to ensure superior performance.

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