ON Semiconductor has introduced the NCP3065 switching regulator designed to efficiently drive high brightness LEDs. The NCP3065 is a 1,5 A monolithic switching regulator that features a very low feedback voltage of 235 mV. The feedback voltage is used to regulate the average current through the LED string in a constant current regulator configuration. The low feedback voltage also allows the use of a smaller sense resistor. The company claims that the power dissipation in the sense resistor is reduced by 80% compared to competitive devices which utilise a standard 1,25 V feedback voltage, which can result in up to 2% savings on the overall system efficiency. The device has a wide input voltage range from 3 V up to 40 V to allow operation from 12 V a.c. and 12 V d.c. supplies commonly used for lighting applications and unregulated power supplies such as lead acid batteries.
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Editor's Choice Power Electronics / Power Management
Common switch-mode power supply (SMPS) design errors are discussed, and their appropriate rectification is specified, with details on complications that arise with the power stage design of DC-DC switching regulators.
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Computer/Embedded Technology
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DSP, Micros & Memory
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AI & ML
SolidRun and Hailo has unveiled a game-changer for engineers and AI product developers with the launch of their market-ready SoM, which packs the cutting-edge capabilities of the Hailo-15H SoC.
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DSP, Micros & Memory
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Power Electronics / Power Management
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Power Electronics / Power Management
These PSUs have a typical efficiency of up to 92%, and a power factor value of up to 0,99. They are available in 12, 24, 28, 48 and 54 V output versions.
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