Infineon Technologies (Munich, Germany) has begun producing its thinQ! family of Schottky diodes based on silicon carbide (SiC) technology. The company claims that, compared with conventional power diodes in silicon or gallium arsenide technology, SiC Schottky diodes allow significantly lower switching losses and higher switching frequencies, while offering much higher operating voltage ranges. The company […]
Semtech Corp. (Newbury Park, CA) announced the production-level availability of their SC1454 150mA, low-noise, dual-linear regulator. This device features the small packaging, low quiescent current and low dropout voltage necessary for portable, battery-powered products. The device is a dual Ultra Low Dropout Regulator (ULDO) designed to fully support a single-cell Li-ion battery or four-cell NiMH/Alkaline […]
National Semiconductor Corp. (Santa Clara, CA) has introduced a full-featured 500mA LDO voltage regulator for medium-level current applications in PC and portable products requiring low-noise voltage conversion. The LP2989, housed in a chip-scale, leadless lead-frame power package (LLP), is designed to fit the tight space requirements of compact portable designs. The LLP package measures 4.0 […]
ON Semiconductor (Phoenix, AZ) announced the availability of the CS1112, a quad-power output driver IC, designed to withstand the environments found in computer, industrial and telecommunication applications. Fabricated on PowerSense process technology, the CS1112 integrates four protected DMOS low-side drivers controlled either through a Serial Peripheral Interface (SPI) port or its associated parallel input. The […]
JARO Components Inc. (Boca Raton, FL) announced a new, high-voltage, multi-layer, ceramic capacitor that withstands 3,000V in a 1206 package. The new...
A flexible low-voltage dc/dc PWM controller, configurable for boost, SEPIC and Flyback topologies, is now available from Micrel Semiconductor (San Jose, CA). The MIC2186 generates high-voltage, high-current supply rails from the main 3.3V supply, and features an input voltage of 2.9V to 14V, and a built-in, high-power 7A output driver that is capable of driving […]
ON Semiconductor (Phoenix, AZ) announced the availability of a CMOS low-noise LDO voltage regulator designed to improve the performance of noise-sensitive circuits in portable products. The NCP500 LDO regulator provides cost and space savings, and achieves a low-noise performance without the need of an external bypass capacitor. "Performance and size are critical factors in the […]
International Resistive Co. Inc. (IRC, Boone, NC) is now offering low-profile surface-mount cylindrical resistors with lead times as low as four weeks. Designated the MM Series, these resistors provide drop-in replacements for Monitored End-Point Load Forecasting (MELF) devices. The MM Series utilizes IRC's Metal Glaze thick film-resistive element fired onto a ceramic core with capless […]
Sipex Corp. (Billerica, MA) announced the availability of its new SP4491, an independent, dual-electroluminescent (EL) lamp driver offered in a 10-pin MSOP package that provides an integrated solution for driving two EL lamps separately or concurrently. Sipex's single-IC solution uses one coil and one resistor, and operates within a 2.2V to 6.0V range. The driver […]
Texas Instruments (TI, Dallas, TX) has introduced the TPS6210x family of low-power buck converters with integrated FETs. These new devices use smaller inductors and capacitors as well as eliminate the need for an external Schottky rectifier. TI claims that the new devices were designed to take full advantage of the life of a battery cell, […]
Philips Semiconductor (Sunnyvale, CA) recently introduced the TEA1507 GreenChip II, their second generation of green switched-mode power supply controller ICs operating directly from the rectified universal mains. The new multi-chip module consists of two ICs. While the high-voltage BCD chip works directly from the rectified mains voltage, a second low-voltage BiCMOS IC is used for […]
AVX Corp. (Myrtle Beach, SC) has introduced a smaller size of its U-dielectric capacitors with NP0 temperature characteristics, the 0402 U-dielectric. The U Series capacitors are C0G chip capacitors rated from 25V rated from 25V in the 0402 size, 50V in 0603, 100V in 0805 and 200V in the 1210 size. The 0402 capacitors are […]
Vishay Intertechnology Inc. (Malvern, PA) announced the release of a stacked, metallized, polyester-film capacitor that they claim provides improved pulse handling and self-healing capabilities, as compared with devices built on conventional wound-film technology. The new Vishay Roederstein MKT1826 features a compact design and, the company maintains, superior reliability. It is intended for coupling, blocking, bypassing, […]
International Rectifier (IR, El Segundo, CA) has introduced the IR1176, an application-specific synchronous-rectification IC. IR claims that the new device simplifies and improves isolated dc/dc converters with voltage output down to 1.5V, powering telecom and broadband network servers. When used with IR dc/dc converter-specific HEXFET power MOSFETs, the IR1176 SRIC is claimed to enhance 1.5V […]
Fairchild Semiconductor (South Portland, ME) has introduced its FAN7554 versatile PWM controller IC for use with power MOSFETs in off-line, dc/dc conversion and other switch-mode power supply applications, such as those found in desktop computers, monitors and power adapters. The FAN7554 is a current-mode PWM controller that operates up to 500kHz. Fairchild Semiconductor claims that […]