MP2454GH

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DC-DC Switching Regulators are an integral part of AC-DC power supplies, used to regulate current and voltage levels and keep them consistent over a wide range of operating conditions. The MP2454GH is a highly efficient, step-down synchronous switching regulator with two integrated one-sided N-channels MOSFETs that provides superior performance and ease of use compared to traditional linear regulators and switching regulators.

Application Field

The MP2454GH is designed for applications such as distributed power systems and industrial automation products, usually in environments with power needs from 12V to 48V. This integrated regulator is also suitable for higher voltage requirements and supplies up to 80V without additional components. As its input voltage signal is variable, the voltage adjustment is seamless and does not require any internal switches or additional components.

The MP2454GH boasts a wide range of features and extra benefits, such as an adjustable output current limit, an over-voltage protection circuit, short-circuit protection, and an under-voltage protection circuit. Moreover, it integrates current detection protection, allowing two separate loop feedbacks that can monitor the output current with extremely low ground current consumption. Additionally, the embedded soft-start reduces the inrush current at startup, while the thermally optimized topology ensures an excellent performance even in highly thermal-critical conditions.

Working Principle

When the input voltage signal is applied, the MOS switches are being opened and closed according to the current signal in order to regulate the output voltage. This output voltage is compared with a reference voltage signal that feeds the error amplifier. Additionally, a reference current signal generated by the feedback loop limit is compared with the output current after it is detected through the current sensing resistor, thus providing the current detection protection. As a result, the system can be regulated and operate in a stable and efficient way.

The MP2454GH is optimized and provides an advanced system solution for a wide variety of applications. Its small size and pin-compatible alternatives also offer makers and designers a greater flexibility in their power solutions. The continuous evolution of today’s market requires high-precision and energy efficient regulators, and the MP2454GH outperforms traditional linear regulators, improving efficiency and power density.

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