Power

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Infineon acquires International Rectifier for $3bn

Infineon acquires International Rectifier for $3bn
Infineon has acquired International Rectifier for $3bn. The acquisition creates a behemoth in power management technology. Infineon expands its product portfolio, gets access to International Rectifier’s acclaimed Gallium Nitride on Silicon (GaN) process for power semiconductors, gains a higher profile in the US as well as a larger regional footprint particularly in Asia/Pacific.
21st August 2014

Regulate output voltage without an optocoupler

Regulate output voltage without an optocoupler
Suited for power levels up to 200W, Linear Technology has introduced the LT8310 primary-side synchronous forward controller which operates over an input voltage range of 6-100V. Without the use of an optocoupler, output voltage regulation of ±8% can be achieved, rising to ±1.5% regulation when using an optocoupler.
20th August 2014

DC/DC converters meet the demand for compact applications

DC/DC converters meet the demand for compact applications
To meet the demand for high-performing, compact power supply applications, ROHM has introduced the BD9G101G and BU9000xGWZ DC/DC converters. The BD9G101G converter provides a wide operating voltage range of 6-42V, with an extended operating temperature range of -40 to 105°C. In a SOT23 (SSOP6) package which measures only 2.9x2.8x1.25mm, the converter also allows designers to reduce space by more than 20%. 
20th August 2014


Power bank provides smartphones 8x more talk & standby time

Power bank provides smartphones 8x more talk & standby time
Introduced with claims that it provides smartphones with more than 8 times the talk and standby time, the PAG14AH4 power bank is now available from Powersolve. The compact power bank is able to charge and power any USB compatible device including smartphones, tablets, and cameras.
20th August 2014

50W power supply targets low power applications

50W power supply targets low power applications
An AC/DC single output power supply, designed for low power applications, has been released by TDK-Lambda. With an input operation range of 85-265VAC and a temperature operation range of -10 to +70°C, the RWS50B 50W power supply is claimed to provide exceptional thermal performance for cooler operation.
20th August 2014

200mA linear regulator features 300mV dropout voltage

200mA linear regulator features 300mV dropout voltage
A linear regulator, providing high voltage, low noise and low dropout voltage, has been released by Linear Technology. Featuring a wide input voltage range of 1.6-45V, the LT3062 delivers adjustable output voltages from 0.6-40V. Programmable noise operation of only 30µVRMS across a 10Hz-100kHz bandwidth, along with a reference soft-start functionality which prevents output voltage overshoot at turn-on, is provided by a single capacitor. 
19th August 2014

Bipolar transistors feature proven robustness to radiation

Bipolar transistors feature proven robustness to radiation
A range of Defense Logistics Agency-qualified JANSR bipolar transistors, suitable for aerospace and Hi-Rel systems, has been released by STMicroelectronics. The JANSR+ series, which has been added to the company's existing JANS / JANSR products, consists of 100krad JANSR high-dose-rate bipolar transistors with an additional 100krad low-dose-rate (100mrad/s) test performed on each wafer. 
18th August 2014

AC/DC modules can be adjusted over a ±20% range

AC/DC modules can be adjusted over a ±20% range
The PFE-S series of AC/DC full-brick power modules, manufactured by TDK Corporation, has been updated. Now available in 12V, 28V and 48V nominal outputs, the PFE-SA series can be adjusted over a ±20% range. With the PFE300SA, full power can be delivered with a baseplate temperature of between -40 and +100°C. The 12V PFE500SA has a maximum base-plate temperature of 85°C, while the 28V and 48V models deliver the same output at temperatures up to 100°C. 
15th August 2014

DC/DC controller operates with 0.25mΩ sense resistance

DC/DC controller operates with 0.25mΩ sense resistance
Boasting modulation voltage-mode control and 0.25mΩ DCR inductors, the LTC3882 DC/DC controller enables higher efficiency and up to 40A per output phase. The dual output, multiphase synchronous, step-down DC/DC controller has been introduced by Linear Technology and has compatible power train devices including DrMOS, power blocks, discrete FET drivers and associated N-channel MOSFETs.
15th August 2014

DC power relays respond to renewable energy needs

DC power relays respond to renewable energy needs
Switchtec is now stocking Hongfa’s high voltage DC power relays. The components are a response to the growing renewable energy market that includes electric vehicles and the storage of DC energy, where there is a parallel requirement within these applications to switch high voltage DC circuits. The relays use Hongfa’s own patented technology and independent intellectual property to achieve high levels of performance.
15th August 2014


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