Power

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Low noise block regulators for STBs and LCD TVs

Low noise block regulators for STBs and LCD TVs
Expanding the company's extensive portfolio of low noise block (LNB) regulators designed for satellite receivers in Set Top Boxes and LCD TVs, Allegro Microsystems has introduced the A8300 and A8300-1. Fully integrated linear and switching voltage regulators, they are specifically designed to provide the power and interface signals to an LNB down-converter via coaxial cable.
30th December 2013

PoL device utilises 12A parts in a single module

Claiming an industry-leading 30% reduction in board space over previous and competing solutions, the UDXS1212 POL power module enables OEMs to utilise two 12A parts in a single module instead of two individual modules. The non-isolated POL DC-DC board-mounted power module from GE's Critical Power business includes GE’s PMBUS interface for digital configuration, communication and control, as well as adaptive voltage scaling for power reduction.  
20th December 2013

Controller meets design challenges with digital control loop

Controller meets design challenges with digital control loop
Designed for non-isolated DC-DC power supplies in computing and telecom applications, the MIC21000 is a true-digital PWM controller from Micrel. The controller can be used as a flexible building block for  +12V or +5V step-down, high current PoL power supplies and works with external industry standard DrMOS as well as Micrel's proprietary IntelliMOS.  
20th December 2013


Regulators offered in H & Military MP grade to +150°C

Regulators offered in H & Military MP grade to +150°C
Incorporating a constant frequency and current-mode architecture, the LTC3615 and LTC3615-1 are now offered in H grade and military MP grade versions. The Linear 4MHz synchronous buck regulators feature low resistance internal switches, which deliver up to 3A of continuous output current from each channel while its low dropout operation provides an output voltage ranging from 0.6V to just millivolts below VIN.
20th December 2013

DC/DC converters on the shelf at RS

RS Components is stocking the industry’s smallest isolated DC-to-DC converters from Analog Devices (ADI). The ADuM5010, ADuM6010, ADuM521x and ADuM621x use ADI’s proprietary isoPower isolated DC-to-DC converter technology to deliver 150 mW of output power while using less board space than competing module-based solutions.
20th December 2013

Rugged IGBTs suit snubberless hard-switching designs

Expanding its 650V XPT IGBT product portfolio, IXYS has announced new IGBTs with current ratings of 16-200A. Supporting switching frequencies up to 60 kHz, the devices are targeted at applications including power inverters, uninterruptible power supplies, switch-mode power supplies, power factor correction circuits, battery chargers, welding machines, lamp ballasts, and E-Bikes.
19th December 2013

LDO regulator features previously unavailable functionality

LDO regulator features previously unavailable functionality
Offering significant functionality previously unavailable in linear regulators, the LT3086 LDO regulator has been introduced by Linear Technology. Including a programmable power good status flag, cable drop compensation and easy paralleling, the 40V, 2.1A regulator includes current monitoring with externally settable current limit and temperature monitoring with external control of thermal limit temperature.
19th December 2013

E-Band MMC power detector operates over 71 to 86GHz frequency range

E-Band MMC power detector operates over 71 to 86GHz frequency range
Hittite Microwave’s new E-Band MMIC power detector is targeted at communications systems, test equipment, sensors and general purpose RF detection over the 71 to 86GHz frequency range. The HMC7447 power detector provides a linear output voltage over a -0.5 to +23.5dBm input power range with low insertion loss of 0.45 dB and typical input return loss of only 19.5 dB.
18th December 2013

PSU achieves 92% conversion efficiency at 50% full load

PSU achieves 92% conversion efficiency at 50% full load
Achieving a minimum conversion efficiency of 92% at 50% full load, the D1U86G AC/DC power supply from Murata is suitable for length-limited applications and mid-plane design architectures. The D1U86G series comprises two models, both providing a + 12VDC 460W output with either “back to front” or “front to back” direction of airflow.
18th December 2013

DC motor driver overcomes space constraint challenges

DC motor driver overcomes space constraint challenges
A single-chip IC for driving single-coil reversible DC fans and motors has been introduced by Diodes. Designated the ZXBM5210, the IC reduces component counts and circuit footprints in medium and low power applications, and is available in a choice of SO8 and thermally enhanced SO8 exposed pad packages.
18th December 2013


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