The ML4803 from Micro Linear Corp. (San Jose, CA) is claimed to be the industry's smallest power supply chip to combine both power factor correction and pulse width modulation. According to Micro Linear, the ML4803 uses a multi-patented new architecture that reduces the cost of power supplies by cutting the pin count in half while […]
Advanced Power Technology (APT, Bend, OR) introduced a new family of power MOSFETs in hermetic packages. According to APT, the new MOSFETs can be provided with commercial or TX processing, and custom device screening and testing is available. The devices, which are all avalanche energy rated, are available in the TO-254, TO-258, TO-3 and TO-267 […]
O2Micro International Ltd. (Santa Clara, CA) announced the development of an IC for optimized charging of multiple-serial-type lithium-ion batteries, the OZ870. This IC was developed in cooperation with Compaq Computer Corp. (Houston, TX). The OZ870 IC creates a lithium-ion battery charger that fully charges each cell in three-cell and four-cell type batteries. In addition, the […]
STMicroelectronics Inc. (Lexington, MA) announced it has developed a new range of IGBTs using its PowerMESH technology claimed to offer improved performance compared to conventional IGBT technology. ST has developed families of IGBTs optimized for low-voltage drop, high-switching speed and automotive-ignition applications, respectively.According to ST, the patented PowerMESH technology replaces the traditional cell geometry by […]
Sensitron Semiconductor (Deer Park, NY) announced it has developed a new 200V Silicon Schottky die with nearly ideal forward and reverse characteristics. The PtSi barrier diodes are fabricated by using a unique simultaneous diffusion and reaction technique. A 125 x 125 sq. mil. die typically has Ir=80nA at Tj=25 degrees C and Ir=1.8mA at Tj=175 […]
Micrel Semiconductor Inc. (San Jose, CA) introduced the MIC502 fan control IC, which is designed for NLX and ATX power supplies. The device has two control inputs that can be used as thermistor or voltage control inputs. The higher of the two sets the duty cycle of the signal from the PWM output. The IC […]
Micrel Semiconductor Inc. (San Jose, CA) introduced the MIC29311, claimed to be the industry's first low-dropout (LDO) regulator optimized for Universal Serial Bus (USB) host or self-powered hub applications. Available in TO-220-5 and TO-263-5 packages, the MIC29311 is designed to provide output current up to 3.0A, at 5.1V +/-3 percent. The device provides a minimum […]
The new CT60AM-18F from Powerex Inc. (Youngwood, PA) is a discrete IGBT targeted for use in uninterruptible power supply systems. An improved...
Powerex Inc. (Youngwood, PA) is offering five new MOSFET devices in the TSSOP-8 package, all rated at 20V with 2.5V drive voltage....
International Rectifier (IR, El Segundo, CA) offers its new Maxi Series of Intelligent Power Switches (IPS). The switches are designed to handle...
Advanced Power Technology (APT, Bend, OR) introduced a new family of power MOSFETs in hermetic packages. According to APT, the new MOSFETs can be provided with commercial or TX processing, and custom device screening and testing is available. The devices, which are all avalanche energy rated, are available in the TO-254, TO-258, TO-3 and TO-267 […]
Taiyo Yuden Inc. (Schaumburg, IL) announced a new line of wire-wound chip inductors, the LQ Series. Designed for use in power supply...
Acme Electric Corp. (East Aurora, NY) reported net sales for the second quarter ended January 2, 1999, of $18,803,000, compared to $22,752,000 for the same period last year. Net income for the second quarter of fiscal 1999 was $402,000, or $0.08 per share, compared to net income of $498,000, or $0.10 per share, a year […]
International Resistive Co. Inc. (Corpus Christi, TX) introduced the HR Series of chip resistors intended for power supply circuits, instrumentation and infrared detectors such as those used in industrial and commercial fire and burglar alarms. The HR Series devices are available in 1206, 1005 and 0805 chip sizes and feature resistance values from 100 megaohms […]
International Rectifier (El Segundo, CA) introduced its new SMD-0.5 package, which is claimed to offer two times the power handling capability as...