LM5141QRGEVM

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The LM5141QRGEVM evaluation board is a tool for power supply designers to evaluate linear and switching power supplies with minimal effort and shorten the design cycle. It is primarily designed and categorized as an Evaluation Boards - DC/DC & AC/DC (Off-Line) SMPS.

The eval board power supply is a synchronous buck converter that uses a highly integrated multi-topology switcher. This switcher uses LM5141 high-voltage integrated circuit, which is targeted for 48V intermediate bus architecture applications, and is suitable for automotive charger, telecom and AC line powered applications. The board holds a DC bus designed to run from 12 to 48V, and generates a 12V output power.

The LM5141QRGEVM evaluation board supports two on-board power controllers. The first stage of the power supply is a high-speed, high-efficiency, integrated switcher that operates from a 48V intermediate bus. It requires only four capacitors to make a DC/DC converter, and is optimized for use as a synchronous buck regulator. It achieves a high power conversion efficiency and requires very low component counts.

The second stage of the power supply is a high-side linear regulator. This linear regulator operates from a +12V supply and supplies a regulated voltage to the load over a wide range of load currents and input voltages. It Features a low quiescent current and an adjustable output range, providing additional voltage and current headroom.

The LM5141QRGEVM is an open-loop converter, meaning that a loop gain should be adequate to ensure stable operation and no additional compensation is necessary. The design of the board is user-friendly and provides easy access to the control pins of the device. The board is also one of the few power supplies that support the use of an external FET, to increase the load capability.

The LM5141QRGEVM evaluation board is equipped with additional features such as the sequential start circuit and a power supply monitor circuit. The sequential start circuit ensures smooth power-up and output voltage levels. The power supply monitor circuit provides system information about the output voltage, output current, and temperature.

The linear and switching power supplies are optimized for automotive and telecom applications. The board has been designed and optimized to meet the power requirements of the application. The LM5141QRGEVM evaluation board is equipped with a variety of features such as long-term performance optimization, improved output voltage accuracy, wide-range input voltage regulation, current mode control, over-voltage protection, current-mode regulation, and short-circuit protection.

The LM5141QRGEVM evaluation board is the perfect tool for power supply designers. It streamlines the design process by providing the support and features necessary to quickly create power supply designs for a variety of applications. It helps reduce the design time, minimizing the development cost and time-to-market.

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