RSO-1215SZ/H3

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DC DC converters are used to provide energy efficient, compact solutions for power conversion between two DC voltage sources of different values. The RSO-1215SZ/H3 is a wide input range DC DC converter which operates from an input of 9-18VDC and delivers an output of 12VDC/1.5A (18W max). It is designed for applications that require an isolated power supply, such as DC/DC powered isolated amplifiers, audio equipment, analogue-to-digital converters, and LED lighting.

The RSO-1215SZ/H3 features a wide 2:1 input voltage range and is available in an industry standard SMD-8 package. Other features include ±5% input and output voltage accuracy, and low no-load power consumption when idle. It is also protected against short circuit and over temperature conditions, and meets EN60950-1 requirements. The converter offers superior performance in harsh environments where temperature ranges from -40°C to +85°C.

The RSO-1215SZ/H3 is based on an innovative switch mode power conversion topology, which offers improved power efficiency. It employs an active clamp snubber circuit to provide reliable operation and fast transient response. The converter uses a full-bridge power switching structure and a synchronous rectification control circuit, which helps to reduce electrical noise and increase power efficiency. The converter also offers low audible noise, which is important for audio and broadcast applications.

The output voltage of the RSO-1215SZ/H3 is precisely regulated to within ±5% through an open-loop control loop system. At the start of the cycle, the converter will adjust its switching between the power supply and the load, utilising the instantaneous power from its power supply port to regulate the output voltage of the load. This ensures that the voltage output is constant, regardless of the current or voltage of the load. The converter also features soft start circuitry which prevents inrush currents and start up transients from occurring.

The RSO-1215SZ/H3 is designed for a wide variety of industrial, commercial and consumer applications, such as DC/DC powered isolated amplifiers, audio equipment, analogue-to-digital converters, LED lighting, and motor controllers. By combining its wide input voltage range, low noise operation, and excellent efficiency, the RSO-1215SZ/H3 offers superior performance in cost-sensitive markets.

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