Cherry Semiconductor Corp. (East Greenwich, RI) introduce the CS51313, a switching buck controller designed to power motherboards based on Pentium III microprocessors, which require five different voltages. The CS51313 switching buck controller features a Vref pin and a small external quad op amp. The controller powers Vcore at 2.0V, and the Vref and quad op […]
Guangzhou Hong Min Electronic Co. (China) introduced the HM-Y Series electronic ballast, designed to light fluorescent lamps through high-frequency self-oscillation without 50Hz flicker and noise. The ballast is claimed to be able to normally start at as low voltage as 100V and work reliably at a voltage over 200V. According to the company, the ballast […]
Fairchild Semiconductor (San Jose, CA) introduced a new family of CMOS LDOs for battery-powered portable applications, including CDMA, TDMA and GSM cellular...
TelCom Semiconductor Inc. (Mountain View, CA) introduced a new series of highly integrated, monolithic, very high voltage, off-line switching regulator circuits, the...
International Rectifier (El Segundo, CA) is offering a series of IGBT products in a TO-220 Full-Pak package. Ranging from 5A to 20A,...
International Rectifier (El Segundo, CA) introduced a selection of five new p-channel MOSFETs with ratings of -12V to -20V, three of which...
National Semiconductor Corp. (Santa Clara, CA) introduced the LM2653 high-efficiency switching regulator. The LM2653 offers 1.5A output in a self-contained TSSOP-16 package measuring 5mm x 4.4mm x 1.1mm. The device is considered ideal as a power management solution for space-constrained portable devices that require high efficiency and high output current in a small package.According to […]
International Rectifier (IR, El Segundo, CA) announced it has developed a power MOSFET technology that is equivalent in performance to the CoolMOS...
Micro Linear Corp. (San Jose, CA) recently introduced the ML4802, a low-power BiCMOS device that contains an intelligent Green Mode circuit that is claimed to automatically increase power supply efficiency at light loads. The ML4802 works with a wide range of power line input voltages (85-265Vac), making it possible to design universal power supplies that […]
Power Trends Inc. (Warrenville, IL) introduced the PT6670 Series of 3.3V input 20W boost Integrated Switching Regulators (ISRs). The new devices offer fixed output voltages of +5V/4A, +9V/2.2A and +12V/1.7A. The fixed output voltage is also adjustable with an external resistor. It is suited for use in systems that have converted to 3.3V power rails, […]
IMP Inc. (San Jose, CA) introduced the IMP528 electroluminescent (EL) lamp driver integrated circuit. The IMP528 features a 220V peak-to-peak ac drive...
Powerex is offering its new GCT (gate commutated thyristor) System Set, intended to make the selection of power components simple for use...
TelCom Semiconductor Inc. (Mountain View, CA) introduced the TC105 and TC110 switching controllers intended for battery-operated applications. The TC105 is a step-down (buck) switching controller that provides output currents of up to 1A (max) at a typical efficiency of 92 percent, and the TC110 is a step-up (boost) switching controller that provides output currents as […]
Cherry Semiconductor Corp. (East Greenwich, RI) introduced the CS51221 and CS51227, two new voltage-mode pulse-width modulated PWM control ICs designed for feed forward operation in sub 150W dc/dc power converters. Both controllers have all features necessary for basic voltage-mode operation. Designed for applications requiring a full set of control and protection features, the 16-lead CS51221 […]
Powerex (Youngwood, PA) recently introduced the CM1200HA-24J, a new 1200A/1200V low Vce(sat) IGBT. Powerex is also offering its new "GCT (gate commutated...