TPS54262EVM

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The TPS54262EVM is an evaluation module designed to evaluate the performance of the TPS54262 synchronous buck regulator. This is an off-line switching power supply module that produces regulated output and is primarily designed for use as an intermediate bus converter. It is specifically designed for applications such as LED TV, and DVR power systems, which has an intermediate bus architecture and requires voltage regulation for the system loads, including high side drivers, auxiliary supplies, and stabilize microcontrollers.

The TPS54262EVM module has an input voltage range of 6 V to 36 V and an output voltage range of 0.8 V to 5V. It is capable of providing up to 6 A of output current, and has a high efficiency of up to 94%. The module has an adjustable output voltage and current, and adjustable soft start as well as under-voltage protection.

In terms of operating principle, the TPS54262 synchronous buck regulator works by driving the switch in phase with the input voltage. The output voltage is determined by the duty cycle of the switch, with a higher duty cycle resulting in a higher output voltage and vice versa. The higher the duty cycle, the higher the power loss in the switch, and so the regulator is designed to maintain a lower duty cycle at a higher output voltage. This results in higher efficiency at higher output voltages.

The TPS54262 synchronous buck regulator also has a built-in feed-forward control, which helps to improve the transient response of the converter by sending a voltage signal to the control logic whenever the output voltage deviates from the desired value. This helps to increase the load regulation of the converter by providing faster, more accurate feedback control, which reduces the amount of oscillations and helps the converter to reach its output voltage faster.

The TPS54262EVM module is a useful tool for evaluating the performance of the TPS54262 synchronous buck regulator. It allows users to easily adjust the output voltage and current as well as the frequency of the switch, and can be used for testing and debugging applications where the TPS54262 synchronous buck regulator is used. The module typically comes with a number of pre-defined evaluation circuits and application notes, which makes it easy to get started with the evaluation of the TPS54262 synchronous buck regulator.

The TPS54262EVM is a versatile evaluation module that can be used in many applications, ranging from LED TV to DVR power systems. It offers high efficiency of up to 94%, adjustable output voltage and current, adjustable soft start as well as under-voltage protection, and a built-in feed-forward control that helps to improve the transient response of the converter. By using this evaluation module, designers can easily evaluate the performance of the TPS54262 synchronous buck regulator, ensuring that their design meets the necessary requirements.

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