S-1335H18-A4T2U3

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Introduction

S-1335H18-A4T2U3 is a two-phase buck converter developed by Solvcorp. It includes voltage regulation, system integration, and other advanced features that allow it to provide a wide variety of system solutions. The high efficiency of the converter allows for smaller standalone designs as well as excellent integration into existing systems. This article will discuss the application field and working principle of the S-1335H18-A4T2U3.

Application Field of S-1335H18-A4T2U3

S-1335H18-A4T2U3 is a low noise, high-efficiency buck converter suitable for use in multiple application fields. These applications are primarily found in consumer electronics, enterprise servers, communications, automotive, industrial, and defense applications. In particular, this converter is ideal for applications where high efficiency, low noise, and high precision voltage are required, such as in notebook computer power systems, video surveillance systems, high reliability embedded systems, and telecommunication base stations.

The S-1335H18-A4T2U3 offers a wide range of features such as step down sync buck conversion, wide voltage range support, low input current, extremely low output noise, high DC/DC conversion efficiency, wide operating temperature range (-20ºC to +85ºC) for robust weather conditions and very fast transient response time.

In addition, the S-1335H18-A4T2U3 converter is also designed to support multiple system designs and configurations including double output, D-CAP3 control modes, system-level PMBus, and selectable output voltage levels for optimal power dissipation. These features make the S-1335H18-A4T2U3 highly integrated and customizable for efficient power conversion.

Working Principle of S-1335H18-A4T2U3

The S-1335H18-A4T2U3 converter is a two-phase buck converter. It includes a high-frequency synchronous MOSFETs and drive circuit, synchronous rectification, current sensing circuit, and voltage control circuit. The two synchronous MOSFETs are the two main components of the buck converter and can be used to switch the input and output voltages at a fast switching frequency. The synchronous rectification converts the alternating voltage and current of the AC load into a DC output voltage.

The current sensing circuit monitors the load current and generates a voltage proportional to it, which is then used to control the output voltage level, since the voltage drop across the MOSFETs is proportional to the load current. The voltage control circuit runs a feedback loop to keep the output voltage at a constant level.

The output voltage is adjusted according to the feedback signal and the output voltage is maintained at a constant level despite the changes in input voltage, temperature, and frequency. The Buck converter also offers a variety of configurable features such as adjustable voltage setting, phase optimization, and current sharing for multi-rail applications.

Conclusion

S-1335H18-A4T2U3 is a two-phase buck converter with a wide range of applications, especially in consumer electronics, enterprise servers, communications, automotive, industrial, and defense applications. It is ideal for high efficiency, low noise, and high precision voltage applications. This article has discussed the application field and working principle of the S-1335H18-A4T2U3 converter.

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