Power

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Compact microwave power module meets defence needs

Compact microwave power module meets defence needs
Link Microtek is selling a switchable Ka/Q-band microwave power module (MPM) that provides highly compact power-amplifier functionality for defence and aerospace applications where size and weight are key considerations. Designed and manufactured by L-3 Electron Devices, the M2837 module delivers more than 100W of saturated CW power at Ka-band frequencies from 29.5 to 31.0GHz and over 80W at Q-band frequencies from 43.5 to 45.5GHz.
29th October 2014

24V, 100W model extends panel mount power supply series

24V, 100W model extends panel mount power supply series
  The PMH-24V100WCAA from Delta Electronics, a 24V 100W model which extends the current PMH series, offers universal input from 85-264VAC with a nominal output voltage of 24V. The unit features a highly efficient convection cooling construction can, which operates from -20 to 70°C.
29th October 2014

RF power transistor features 20:1 load-mismatch capability

RF power transistor features 20:1 load-mismatch capability
Designed for high-output class-E industrial power supplies, the STAC250V2-500E 13.6MHz RF power transistor has been released by STMicroelectronics. Providing enhanced safety up to 600W, the device has 20:1 load-mismatch capability, which is claimed to be the highest in the industry. Enabling compact power supplies above 1kW, two STAC250V2-500E transistors used together occupy a similar area to that of a single ceramic transistor. 
29th October 2014


Power supplies offer 4kVAC input to output isolation

Power supplies offer 4kVAC input to output isolation
Featuring input to output isolation of 4kVAC and 2xMOPP, the ZMS100 single-output power supply series has been released by TDK-Lambda. The devices, which are the first in the company’s ZM series of sub-300W power supplies, provide 1.5kVAC 1xMOPP input to ground and output to ground isolation levels.
29th October 2014

Power modules offer 0.1% line regulation

Utilising emulated current mode Constant On-Time (COT) control, the 10A XR79110 and 15A XR79115 single output, synchronous step-down power modules have been released by Exar. In a single die, the devices integrate power converters including MOSFETs, inductors and internal input and output capacitors.
29th October 2014

1A µDC/DC converter with integrated coil minimises radiated noise

1A µDC/DC converter with integrated coil minimises radiated noise
The XCL219/XCL220 module from Torex Semiconductor is designed to minimise unwanted radiated noise or EMI, making it suitable for sensitive RF applications. With its integrated coil, the XCL219/220 achieves a significant reduction in radiated noise across all frequency bands, when compared with a conventional DC/DC circuit with an external coil.
29th October 2014

PFM-only DC/DC converter operates from just 0.5µA

PFM-only DC/DC converter operates from just 0.5µA
In A6.280 at electronica 2014, Torex Semiconductor will present the company's first PFM-only step-down DC/DC converter that has been specifically developed for ultra-low power applications. The XC9265 series consumes just 0.5µA during operation and is therefore suitable for applications that run from batteries for long periods of time.
29th October 2014

Enhanced step driver targets LED lighting market

Exar has developed an improved alternating current (AC) step driver for light emitting diode (LED) lighting applications. Combined with other iML offerings, the iML8684 provides a complete solution for LED light bulb and LED tube applications. Unlike conventional AC driver solutions which use a single large driver, iML has patented a unique distributed architecture of multiple small, low cost drivers.
29th October 2014

400W AC/DC power supply targets medical applications

400W AC/DC power supply targets medical applications
Delivering a typical efficiency up to 94% with a flat efficiency curve over virtually the entire load range, XP Power has announced the CCL400 series of highly efficient convection cooled 400W AC/DC power supplies. The CCL400 complies with the standard 1U chassis mount format, measuring 100.3x177.8x39.9mm (3.95x7.00x1.57").
29th October 2014

Dual DC/DC converter maximises portable device battery life

Dual DC/DC converter maximises portable device battery life
Designed to meet the demands of wireless and DSL modem applications, the PAM2322AGEAR dual PWM step-down DC/DC converter has been released by Diodes Incorporated. Maximising portable device battery life, the device’s pulse-skipping mode enables a reduction in quiescent current under light load operation.
29th October 2014


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