60V 300mA synchronous step-down with 10µA Iq

L7983 is a 3 to 60V input 300mA output synchronous dc-dc converter from ST Microelectronics whose mode can be pin-selected to keep noise down or maximise efficiency at light load The variable output variant can provide from 850mV to Vin. Low noise operation is essential fixed frequency and low consumption operation is variable frequency, with single ...

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Gen 4 SiC transistors are 750V for hard and soft switching

UnitedSiC has revealed four 750V silicon carbide power transistors, the first devices from its fourth generation process it unveiled earlier this year. The unusual 750V rating is to allow additional design margin for 400V or 500V battery and bus applications compared with 650V devices, and improvements compared with the company’s third generation means that “gen4 750V ...

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Infineon extends franchise with Future to Europe

Future Electronics is now franchised to sell Infineon products in Europe, after the semiconductor company extended its agreement beyond Asia and the Americas, covered in its previous agreement. The distributor is also franchised to supply products from Infineon’s subsidiary, Cypress Semiconductor worldwide. Future expects the Infineon portfolio of power, automotive, security, wireless semiconductors and microcontrollers ...

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Rad-hard ADC for space applications

Renesas has announced a  single-chip 14-Bit, 1-MSPS successive-approximation-register (SAR) ADC for rad-hard space applications. Renesas’ Intersil brand ISL73141SEH claims best in class dynamic and static performance, including signal-to-noise ratio (SNR), effective number of bits (ENOB), integral non-linearity (INL) and differential non-linearity (DNL). The ADC fully resets after every sample, clearing any errors that result from ...

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NEC gears up to bring O-RAN to UK

NEC’s next CEO Takayuki Morita, who takes over in April 2021, has said he is looking to  increase overseas sales from 25% of revenues to over 50% on the back of innovation in 5G among other areas. Yesterday the UK digital secretary Oliver Dowden  announced that the UK government would fund an O-RAN  trial with ...

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Traco Power announces high-reliability, low-cost DC-DC converters

Traco Power has released its TSR-E, TEA, TBA and TEC series of low-cost DC-DC converters, which are available from 1 to 3 watts covering 12 new product families. With available input ranges of +/-10%, 2:1 and 4:1, they have an operating temperature range of -40°C to +86°C without derating and feature standard I/O isolation of ...

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Integrated synthesiser for next gen wireless systems

CML Microcircuits has come up with an integrated Fractional-N RF synthesiser with VCO that achieves low phase noise and excellent spurious performance in a low power single-chip solution. The CMX940 seeks to surpass the industry prerequisites for enabling a new generation of private mobile radio (PMR), data modems, marine radios and other wireless systems. In order ...

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