Power_electronics Features

GaN-based switcher ICs empower next-generation power products - issue 1/2020
There have been a number of disruptive advances in the power electronics community over the last 20 years....
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Linear voltage regulators operate at automotive temperatures
Designed for high reliability, high temperature applications, the CMT-Antares is Cissoid's latest regulator.
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Power Electronics Europe News
Compact GaN-on-Si white LEDs simplify industrial lighting
Devices in the TL1L3 series of 1W LEDs are supplied in a package with a footprint of 3.5 x 3.5mm and a height, including lens, of just 2.42mm. The LEDs deliver typical luminous flux ratings of between 112 and 145 lumens, depending on the correlated colour temperature (CCT). The LEDs have an integrated lens suitable for implementation in tube lights, light bulbs, down lights and ceiling lights, as well as street light and floodlight designs. There are seven devices in the series, offering colour temperatures from 2700 to 6500K. Minimum colour rendering index (Ra) ratings of up to 80 contribute to natural looking lighting across all target applications, says the company. A low typical forward voltage (VF) of just 2.85V (at a forward current of 350mA) keeps power consumption to a minimum. Rather than using expensive sapphire substrates, these LEDs use a cost-effective GaN-on-Si process technology that allows GaN LEDs to be produced on 200mm silicon wafers. The LEDs are rated for operating temperatures between -40 and 100°C and have a maximum power dissipation of 3.4W.

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