Latest Electronic Power Supplies News

Single output AC-DC power supplies

Single-output, AC-DC power supplies manufactured by Sanken, the SWG series provide an input range of between 85Vac and 264Vac and efficiency in the range of 82% to 84% at 200Vac typical…

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Rohm voltage switcher for 42V

Rohm Semiconductor has introduced high voltage switching regulators with an extended operating temperature range of -40 to 105 deg C. The BD9G101G DC/DC converter has an input voltage range of 6-42V. The internal high-side 42V power mosfet provides 0.5A of DC output. The BD9G101G has a…

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Prepare for IEC 62368 with X capacitor safety discharger

With IEC 62368 replacing earlier safety standards for TVs and IT equipment, Power Integrations is certifying its X capacitor discharge ICs to the new standard. X capacitors control conducted emissions from equipment, and are connected straight across the incoming mains – meaning that residual charge in them could cause electric shock…

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LED flash driver for phones and tablets

Aiming at LED camera flashes, Micrel has introduced a 1.2A boost converter and LED driver. Consistent with use in phones and tablets, it comes in a 1.3×1.3mm 9pin chip-scale package and runs at 4MHz so inductors can be small – total driver area can be as small…

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Driver IC for big LED light arrays

A programmable multi-output LED driver from Allegro Microsystems integrates a current-mode boost converter with internal power switch and eight current sinks. The IC operates from 4.5 to 36V, and is able to withstand up to 40V load-dump conditions encountered in automotive systems. The I2C interface allows…

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Power supply makes 6-1/2 digit precision measurements

Keithley Instruments has introduced a range of programmable DC power supplies which are designed to have a precision measurement capability. This is typically used to measure standby current loads and load current pulses that battery-powered wireless, medical, and industrial devices produce. The supplies can make voltage and current readback…

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