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Proving the Ruggedness of GaN technology in Automotive and Demanding Application - issue 4/2020
To achieve the most efficient power conversion circuit requires the best semiconductor switch as the fundamental building block. Many people now consider gallium nitride to be a better switch than...
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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
 
Step-down regulator operates in noisy environments
It has up to 40V input (42V max), which can safely operate from unregulated or fluctuating 12 to 36V input supplies in noisy environments, such as industrial robotics, factory automation and avionics systems.

It  houses a switching regulator controller, power switches, inductor and other supporting components in a 6.25 x 9.0 x 3.32mm BGA package. Together with two capacitors and two resistors, it occupies approximately 150mm
², saving space compared with competing devices, which require up to 250mm² and twice as many components, claims the company.

The regulator delivers 3.5A of continuous (6A peak) output current, and its ‘share’ pin enables current sharing, for it to operate in parallel to deliver more current. The output voltage is adjustable with one resistor from 0.97 to 15V. This output range means that one device generates common system bus voltages of 3.3, 5.0, 12 and 15V. The efficiency at 12VIN to 5VOUT is 90%. Output current of 3.5A is delivered at up to 85 ambient without a heatsink or airflow (12VIN to 5VOUT). Operating range is -40 to 125 degree C.

 




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