Power Supplies News

CUI power supply has 54V output for PoE

The latest 3000W front-end ac-dc CUI power supply is intended for power over Ethernet (PoE) applications. The power supply is preset to output 54Vdc with a factory-adjustable output from 42V to 55V. There is N+1 redundancy and hot swap blind-docking capability implemented through the use…

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Regulator delivers 100mV low-dropout voltage for cars

A low-dropout voltage regulator (LDO) for automotive AEC-Q100 qualified designs from Micrel has a dropout of only 100mV at 300mA. The MAQ5300 has a 300mA output current and is available in numerous fixed output voltage options of 1.5V, 1.8V, 2.5V, 2.8V, 2.85V, 3…

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Murata adds to OKR DC-DC converter series

Murata has made three additions to its Okami OKR series of single output, non-isolated point of load (PoL) DC-DC converters. The new models add 20, 30, and 50A devices to the existing 1.5, 3, 6, and 10A range. The 20A model, OKR-T/20-W12-C, measures…

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Chrystek's voltage controlled oscillator

Crystek’s CVCO55FL-0271-0310 voltage controlled oscillator (VCO) operates from 271 MHz to 310 MHz with a control voltage range of 0.5V~4.5V. The company reports that its latest VCO features a typical phase noise of -114dBc/Hz @ 10KHz offset and has “excellent” linearity. Output power is…

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30W dc-dc in one square inch from TDK

TDK has introduced 30W wide input range dc-dc converters in a 25.4×25.4mm (1x1inch) by 9mm high metal package. Called CCG30, they operate over a 4:1 input range (9-36V or 18-76V) – so 12 and 24V, or 24 and 48V – and have six-sided shielding. Output…

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Slim 1U telecoms supply delivers more than 1kW at 12V

CUI has introduced a 1,100W front-end ac-dc power supply for mission critical (N+1) redundant applications. PSA-1100-12 has 25.34W/inch3 power density and over 93% efficiency – all in a 40 x 54 x 321mm 1U package. The power supply outputs 12V (up to 92A…

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Infineon sampling single-chip IGBT and diode

Infineon is sampling a 6.5 kV power module that features IGBT and freewheeling diode functionality integrated into a single chip. This RCDC (Reverse Conducting IGBT with Diode Control) chip is for modern high-speed trains and high-performance locomotives as well as for future HVDC electric power transmission systems…

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Stadium Power launches AQF500 compact 500W power supply

Stadium Power, the Norfolk power supply vendor, is selling compact 500W switch mode power supplies with Active PFC – the AQF500 series. These single output power supplies offer power density up to 26W per cubic inch in a 5” x 3” (127 x 76.2mm) footprint. Typical applications for the AQF500…

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