AC/DC Converter Primary Power Supply Device Catalog
●Technology Trends in Primary Power Supplies
■Until now, product manufacturers primarily focused on application circuits and secondary power supplies to improve set energy savings, but in recent years to meet the need for higher efficiencies and lower power consumption designers are beginning to look at primary power supplies as well. In addition, laws and regulations such as Energy Star, CoC, and DoE have spurred interest in power supply design.
■ROHM proposes total solutions including power supply ICs and peripheral discrete components that leverage the latest proprietary power supply technologies. Ideal for advanced and next-generation primary power supply systems requiring greater stability and safety. The primary power supply ICs integrate a number of circuit design technologies to achieve high efficiency, low standby power and low noise.
●Examples
■X capacitor discharge circuit
■Ringing noise improvement circuit at light loads
■Low current shunt regulator
■Burst operation at light loads
■VCC recharge circuit
■Peak drive circuit
●ROHM offers a broad portfolio of ICs, discretes, and modules to meet virtually any need. In addition, a variety of application support tools are available that allow users to verify the details of our product lineup and the characteristics of the new power supply.
Selection catalogue
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