A6727TR Integrated Circuits (ICs)

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The A6727TR is a DC-DC switching controller from the range of PMIC (Power Management ICs) voltage regulators. It is a single, lowside, high-speed, current-mode controller with an embedded high-voltage MOSFET for improved power efficiency. The A6727TR is an energy-efficient device integrating an embedded, high-speed, 50 mΩ N-channel Power-MOSFET featuring an adjustable current sense voltage, an adjustable dead time and current limit.

The A6727TR is designed for isolated DC-DC power solutions and has a wide range of applications such as 16V to 28V DC-DC converter, DC-DC converters, isolated power supplies, buck and flyback power delivery, and other high current DC-DC converters. The A6727TR is especially suitable for applications where high efficiency and cost-effectiveness are paramount.

As for the working principle of A6727TR, it is based on a hybrid current-mode control, allowing fast response and excellent system stability. The device starts up in a low-current mode, reducing start-up current from the input voltage source, avoiding overshoot and power cycle on start-up. The closed loop compensation keeps the output voltage in partial cycle mode and increases the efficiency over the entire load range, resulting in lower power loss.

A6727TR has several internal protections such as thermal shutdown protection, overcurrent protection and dead time over-voltage protection. This allows the A6727TR to remain safe and reliable in different operating conditions. The A6727TR can be mounted in either through-hole or surface-mount packages, making it ideal for use in different kinds of applications.

The integrated voltage regulator in A6727TR can operate over a 2:1 output voltage range and has an accurate regulation with low audible noise due to the internal hysteresis of the switching control system. The A6727TR is a very efficient DC-DC switching controller, with the added benefit of an integrated MOSFET power switch, allowing for enhanced system efficiency.

In summary, the outstanding features of A6727TR DC-DC switching controller include embedded high-speed 50mΩ N-channel MOSFET, adjustable current sense voltage, adjustable dead time and current limit, low start up current, excellent system stability, efficiency and protection, and integrated voltage regulator. All these features make A6727TR a highly efficient and cost-effective DC-DC power solution for a wide range of applications.

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