Clock Distribution Devices Offer HCSL Outputs

September 25, 2007 10:43 am | On Semiconductor | Product Releases | Comments

ON Semiconductor introduced two clock distribution devices for synchronization of memory modules found in today’s most advanced computing, data storage, networking consumer applications. The NB4N121K and NB4N111K feature differential host clock signaling level (HCSL) outputs and ultra low propagation delay variation for fully buffered dual inline memory module (FBDIMM) applications. The NB4N121K and NB4N111K are 3.3V clock distribution devices with differential HCSL outputs targeted for typical FBDIMM frequencies of 100 MHz, 133 MHz, 166 MHz, 200 MHz, 266 MHz, 333 MHz and 400 MHz


MCU with On-Chip Flash Memory Built with a 90 nm Process

September 25, 2007 10:29 am | Renesas | Product Releases | Comments

Renesas added a microcontroller (MCU) to its32-bit SuperH family: the SH72546RFCC, said to be the industry's first MCU with on-chip flash memory built with a 90-nm (nanometer) process node. The device is optimized for the development of control programs for automobile engines, transmissions, and other systems that require real-time control capabilities. It achieves an operating speed of 200 MHz in the high-temperature environment (up to 125°C) required for automotive applications.


Power MOSFETs Specify On-Resistance at 1.2V Gate-to-Source Voltage

September 25, 2007 10:20 am | Product Releases | Comments

Vishay Intertechnology announced what are said to be the industry’s first power MOSFETs with on-resistance ratings at a 1.2V gate-to-source voltage in portable electronic systems. The devices bring the MOSFET turn-on voltage into alignment with the 1.2V to 1.3V operating voltages of digital ICs used in mobile electronics, enabling safer and more reliable designs. The TrenchFETs eliminate the need for an extra conversion stage in battery-operated systems with a core voltage lower than 1.8V.


Three-D Comb Filter Front End Processor

September 25, 2007 10:09 am | Product Releases | Comments

Toshiba America Electronic Components introduced a second-generation, high-performance 3D comb filter front-end processor targeted at advanced analog and digital televisions, audio/video systems, set-top boxes and other video-processing systems. The TC90103AFG integrates a 3D comb filter for NTSC, a multi-standard three-line comb filter, 3D noise-reduction functions, a digital multi-standard decoder and 5 Mb of embedded DRAM for frame-buffer memory in a compact 144-pin LQFP package.


Low Noise, 1.1A LDO Offers High Power Density

September 25, 2007 10:03 am | Product Releases | Comments

Linear Technology announced the LT1965, a low noise, low voltage 1.1A LDO with high power density. It features low dropout voltage of 300 mV at full load, with wide VIN capability of 1.8V to 20V and low adjustable output from 1.2V to 19.5V. Ultra-low output noise of only 40 µVRMS reduces noise in instrumentation, RF, DSP and logic supply systems and is beneficial for post-regulating switching power supplies.


IGBT Enhances Efficiency in Low-Frequency Industrial Applications

September 25, 2007 9:37 am | Fairchild Semiconductor | Product Releases | Comments

Productive Product: Fairchild Semiconductor’s 600V/30A IGBT, the FGH30N60LSD, addresses the need for low conduction losses in low-frequency (50 Hz to 400 Hz) industrial applications such as solar inverters, welding machines and uninterruptible power supplies (UPS). Featuring extremely low saturation voltage


Low-Jitter, Spread-Spectrum Clock Modulators Reduce EMI in Large-Format LCD Panels

September 25, 2007 7:59 am | Product Releases | Comments

Maxim introduced its DS1081L/DS1083L 16 MHz to 134 MHz, center spread-spectrum clock modulators. These modulators use an integrated phase-locked loop (PLL) to dither the clock output around its center frequency at a user-selectable magnitude from 0 (disabled) to ±2.0 percent, thus reducing peak EMI at fundamental and harmonic frequencies. This EMI reduction is accomplished without changing clock rise/fall times or adding the space, weight, design time


Power Transistors Offer Enhanced Thermal Stability

September 25, 2007 7:48 am | Product Releases | Comments

Allegro announced a series of Darlington transistors for audio amplifiers. With a high safe operating area, (SOA) and low thermal resistance derived from a new thinner-die technology, the STD Series achieves high power performance in a common small package, the TO-3P. This series of parts is targeted at the home and professional audio amplifier markets.


Four-channel LIN Transceiver

September 25, 2007 7:42 am | Product Releases | Comments

Melexis introduced a four-channel LIN transceiver IC. It combines four LIN transceivers on one die and enables the development of simpler and more cost effective multi-LIN network master modules. Integrated 1K LIN master termination resistors and decoupling diodes further reduce system costs. This four-channel LIN transceiver is produced in 0.8µ HV-CMOS technology and is based on the single channel transceiver TH8082.


IGBTs Target High Switching Frequency Applications

September 25, 2007 7:34 am | Microsemi Corporation | Product Releases | Comments

Microsemi announced a new series of high speed IGBT transistors for welding, low to mid-power solar inverters, uninterruptible power supplies and industrial switch mode power supply applications. Designated the Thunderbolt HS IGBT Series, the IGBTs are the company’s next generation of NPT technology targeting high switching frequency applications. These devices exhibit higher saturation voltage and significantly lower turn-off energy losses than previous generations.


Power Supervisors with Battery Backup, Chip-Enable Gating and Power-Fail Warning

September 25, 2007 7:22 am | Product Releases | Comments

Maxim Integrated Products’ MAX16033-MAX16040 low-power, microprocessor supervisory circuits with precision power-supply monitoring and battery control functions are optimized for performance in space-saving 2 mm × 2 mm microDFN packages. These supervisory circuits feature a microprocessor reset, battery backup switchover, power-fail warning, and chip-enable gating, thereby reducing the complexity and number of components for power-supply monitoring.


Voltage Supervisor Monitors 27 Unique Voltage Thresholds Without External Resistors

September 25, 2007 7:12 am | Product Releases | Comments

Linear Technology introduced the LTC2915, a single voltage supervisor with 27 unique pin-selectable thresholds. A single LTC2915 can easily be configured to meet different monitoring tasks in applications ranging from network servers monitoring 12V to low-voltage portable equipment. The 27 selectable thresholds are specified with an overall accuracy of ±1.5 percent without the need for 0.1 percent external resistors.


Efficient, 2.5 MHz Synchronous Buck Regulator for Light Load Operation

September 24, 2007 12:52 pm | Product Releases | Comments

Productive Product: Micrel launched the MIC2238, a 2.5 MHz dual 800 mA synchronous buck (step-down) regulator housed in a 3 mm × 3 mm MLF package. Its unique switching architecture scheme, Trickle Mode, enables desirable light load efficiency for Li-Ion battery powered systems that require maximum efficiency in order to prolong use. The MIC2238 is appropriate for portable applications including cellular phones, portable media players, WiMax modules, GPS systems, digital still and video cameras.


Low Noise Block Satellite Controllers

September 24, 2007 12:33 pm | Product Releases | Comments

Integrating all bias, control and power management functions into a single chip, the latest low noise block (LNB) satellite controllers from Zetex Semiconductors help achieve LNB size reductions of up to 30 percent, according to the company. Three LNB controllers have been introduced: The ZXNB4100 (negative volt bias) and ZXNB4200 (zero volt bias) for single universal LNBs with FET switching topologies, and the ZXNB2200 for C-band LNB designs.


Dual-Output Buck Controller for Notebook Peripheral Computing Applications

September 24, 2007 9:30 am | Product Releases | Comments

Intersil Corporation announced ISL6228 high-performance dual-output buck controller for notebook peripheral computing applications. Featuring the company’s R3 Technology this controller provides desirable transient response, switching efficiency and design flexibility. The device is capable of operating a wide input voltage range (3.3V to 25V) and has a flexible output voltage range from +0.6 V to+5.0V.



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