UPS performance verification: getting value from your investment 20 October 2004 Uninterruptible power supply (UPS) systems are critical components of a cohesive power reliability program. But just because a UPS is running does not mean that it is fully operational or that it can ...
40 V boost converter includes a 2 A switch in SMT 20 October 2004, Information Security Linear Technology's LT1935, is claimed to be the industry's highest power switching regulator in SOT-23 package. The device is a 2 A, 40 V, 1,2 MHz step-up DC/DC converter in a ThinSOT package. Its wide ...
Kool Mµ 'E' cores offer advantages 20 October 2004, Transport (Industry) Kool Mμ powder cores from Magnetics are made of a ferrous alloy powder (Al, Si, Fe composition), which has low losses at elevated temperatures. Kool Mμ E-cores have a distributed air gap that makes them ...
Permanent power monitoring helps maximise availability 20 October 2004, Rittal Active PSM power system module is the name of Rittal 's new series of active power-socket modules that incorporate a permanent display of the total current per plug-in module in a rack. User-defined limit ...
3 and 5 W DC-DC converters with high isolation 20 October 2004, Brabek The 3 W and 5 W DC-DC converter devices (REC3- and REC5-Series) from Recom International offer 5 kV d.c. isolation in SMD or DIP package. The REC3/5 converters are aimed at applications that demand high ...
Industrial power tubes 20 October 2004, Denver Technical Products Denver Technical Products, which has been active in the power tube business for the last 15 years, has now been appointed South African distributors for e2v Technologies industrial power tubes (valves). ...
Premium aluminium PFC capacitors 20 October 2004, Electrocomp PhaseCap capacitors in cylindrical aluminium cases have been designed for power factor correction. Since loads like motors and transformers consume active power as well as reactive power, generators, ...
SNMP adapter for UPS 20 October 2004 The Multenet Power Agent, recently released for a worldwide distribution, is specifically designed to provide UPS systems that do not support Ethernet connectivity with network management over multiple ...
Clip-on heatsinks for high power density transistors 20 October 2004, Electrocomp For improving the heat dissipation from transistors, Fischer Elektronik offers an appropriate solution with its clip-on heatsinks made of copper.
Suitable for TO218, TO220, TO247, TO248, SIP multiwatt ...
Power factor corrector uses fast solid state switches 20 October 2004, Electrocomp The increasing complexity and sensitivity of electronic equipment calls for replacement of conventional static power factor correction (PFC) systems by dynamic PFC systems that react in realtime. Typical ...
Open frame power supplies 20 October 2004 The RKW open frame, L-chassis, single output power supplies from Kepco are available in the 30, 50, 100 and 150 W sizes. They provide DC outputs from 3,3 V to 48 V from AC mains 85-265 V a.c. and, except ...
Linear battery charger chip integrates pass transistor and protection 20 October 2004, Tempe Technologies, Altron Arrow Microchip is offering to market single-cell and dual cell versions of a fully-integrated, charge-management controller that features a charge-safety timer and temperature monitor. The MCP7386X devices ...
DC-DC conversion chip boosts efficiency 20 October 2004, Infrastructure International Rectifier has introduced a control and synchronous switching chip set for high-frequency DC-DC converters used for processors in high-end servers and PCs. Other applications include point-of-load ...
Boost converters simplify drive circuitry for white LED backlighting 6 October 2004 ON Semiconductor has introduced fully-integrated white LED boost converters that drive up to five white LEDs in series to simplify and miniaturise colour LCD display illumination. Highly power-efficient ...
Strobe supply drives up to five white LEDs 6 October 2004, CST Electronics, Electrocomp The MAX1583, a high-efficiency, step-up DC-DC converter that drives up to five white LEDs in series with a high constant current to provide camera flash/strobe power in cellphones, PDAs, and other handheld ...
High power LED driver has small footprint 6 October 2004, MB Silicon Systems, Sensors & Transducers The MIC2291 is an LED driver from Micrel with over 1 A of input switch current capability. This is 60% more power capability than the company's MIC2287, allowing the MIC2291 to drive higher current LEDs ...
Regulator with integral μP reset saves space 6 October 2004, Hi-Q Electronics, Access Control & Identity Management By combining a microprocessor reset monitor and a 300 mA LDO regulator in a single 3,0 x 2,85 mm package, AnalogicTech's new AAT3258 significantly minimises design footprint and comes in an 8-pin TSOPJW ...
Control IC to simplify DC-DC conversion designs 6 October 2004 International Rectifier's IRU3138 synchronous PWM controller IC is a feature-rich device with adjustable switching frequency, a 0,8 V fixed voltage reference, and 1,5% accurate voltage tracking capability. ...
New MOSFET is versatile switching device 6 October 2004, Asset Management ON Semiconductor's NUD3048 is a highly integrated N-Channel MOSFET featuring a breakdown voltage of 100 V and a buffered gate voltage rating of 100 V. For use in telecom, datacom or any -48 V bus distribution ...
40 V rectification MOSFET optimised for telecom and datacom applications 6 October 2004 International Rectifier has introduced the IRF7842, a 40 V N-channel HEXFET power MOSFET optimised for isolated DC-to-DC converters for telecom systems.
The 40 V rating enhances reliability when used ...
