LM26001EVAL

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The LM26001EVAL application field and working principle is a critical aspect of evaluation boards–DC/DC & AC/DC (Off-Line) SMPS. This application is used to evaluate the performance of the LM26001 high current step-down DC/DC converter. This evaluation board operates across a wide input voltage from 30 V to 60 V, and the output voltage can be adjusted from 0.8 V to 24.0 V. The LM26001EVAL provides a simple solution for evaluating the performance of the LM26001 in applications such as active ORing. One of the most significant feature of the LM26001EVAL evaluation board is its high step-down conversion efficiency up to 91%.

The LM26001EVAL application field and working principle primarily focuses on the DC/DC & AC/DC (Off-Line) SMPS. It provides access to an efficient solution to design and build high power DC/DC converters for automotive, industrial, and computing applications. This evaluation board is capable of operating at up to 5.5A of output current and can operate across an input voltage of 30V to 60V range. The output voltage can be adjusted from 0.8 V to 24.0 V, while maintaining an output current up to 5.0A. Additionally, it features an integrated 400 kHz, 3-bit, user adjustable current limit detector, allowing for dynamic control over the output current.

The LM26001EVAL application field and working principle also provides a comprehensive overview of the LM26001 evaluation board design. At the board’s core, the LM26001 operates in peak-current-mode (PCM) and is designed to reduce the size and total component count of the board. The board features a high frequency input capacitor (HRA) and MOSFETs (NDP), which reduce power dissipation and reduce output ripple. Additionally, the evaluation board features two external-gate drive transistors (EGBTs), which allow for enhanced dynamic current limit range and higher degree of flexibility in the overall application.

The working principle of the LM26001EVAL application field is based upon the LM26001 step-down DC/DC converter. The LM26001 is an offline switching regulator, which uses pulse-width-modulated (PWM) operation coupled with synchronous rectification to provide a low ripple and precise output voltage. The principle of operation for the LM26001 requires an external pulse signal to control the conduction of the internal MOSFETs. The pulse width is adjusted by the external resistor/capacitor (RC) network to ensure a precise output voltage. The external resistor/capacitor network also ensures that the output current remains constant over the full range of input voltage.

The LM26001EVAL application field and working principle is an important component of evaluating the DC/DC & AC/DC (Off-Line) SMPS. With its high panel efficiency up to 91 % and its capacity to provide efficient and accurate output voltage, its design features reduce the size and total component count of the board. Its peak current mode operation coupled with synchronous rectification also allows for a highly efficient and precise output voltage. This evaluation board is a great solution for various applications, as it is able to provide access to high-powered DC/DC conversion with its wide input voltage range and simple integrated components.

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