Measurement of average power in a 60Hz circuit (equivalent to V RMS × I RMS × cos(ø)) can be done by sampling the product of voltage and current and averaging. This requires four quadrant ...
The iW1700 zero-power ac/dc digital PWM controller enables low-cost, energy-efficient 120/230V-ac offline adapters and chargers requiring as much as 5W, which consume zero no-load power for cell ...
LOS GATOS, Calif.--(BUSINESS WIRE)--iWatt, Inc., a developer of energy-efficient digital power supply control integrated circuits (ICs) used in leading-edge power supplies, today announced the iW1700 ...
National Semiconductor has introduced a high-performance AC-DC pulse-width-modulation current-mode controller that is designed to save energy in power supplies. National Semiconductor has introduced a ...
iWatt, Inc. introduced the iW1810 AC/DC digital PWM IC, which integrates an 800V bipolar power transistor as well as numerous features to save external components and ensure high efficiency. The ...
SANTA CLARA, Calif., June 1 /PRNewswire-FirstCall/ -- National Semiconductor Corporation , a world leader in power management technology, today introduced a high ...
Speed control of an AC motor requires a three phase supply that can vary both voltage and frequency. Such a supply creates a variable speed rotating field in the stator that allows the rotor to spin ...
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