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DC/DC Converter Focuses on Light-Load Efficiency

November 18, 2008 5:27 am | Product Releases | Comments

Intended for applications such as telecom, computing, industrial, and consumer point of load applications, a 1.5-A output step-down switcher from TI uses the Eco-mode light-load switching technique to achieve a 116-uA operating current and 1.3-uA shutdown current. Features of the 65-V input device include an integrated FET, a switching frequency range

LISTED UNDER: ICs

PCIe Switches Integrate DMA Engine

November 17, 2008 9:36 am | Product Releases | Comments

Offering configurable ports ranging from x1 to x8, PLX Technology’s ExpressLane PEX 8619 (16 lanes and ports), PEX 8615 (12 lanes and ports), and PEX 8609 (8 lanes and ports) PCIe Gen2-compliant switches incorporate a direct memory access (DMA) engine. The components provide 4 DMA channels supporting data transfers between I/O devices connected to any of the available ports while maintaining independence from the transparent switch functionality with

LISTED UNDER: ICs

Control ICs Suit Lighting Ballast Apps

November 17, 2008 8:31 am | International Rectifier | Product Releases | Comments

Incorporating a half-bridge driver, International Rectifier’s IRS2530D DIM8 and IRS2158D 600-V control ICs target energy-efficient dimming fluorescent lighting ballast applications. The 8-pin DIP- or SOIC-packaged IRS2530D DIM8 presents a high-voltage pin, DC dim input voltage reference, and AC lamp current feedback, internal non-ZVS protection, and internal crest factor

LISTED UNDER: ICs
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GUI Processor Chips Create User Interfaces

November 14, 2008 11:28 am | Product Releases | Comments

Supporting passive and active displays up to 24 bits-per-pixel, Amulet Technologies’ AGB75LC04-XX-X GUI processor chips consists of the hardware and software required for transforming a up to 12” color LCD and touch panel into a user interface. The components provides support for USB 2.0, TWI, UART, and SPI interfaces, and directly connects to 4- and 5-wire resistive touch

LISTED UNDER: ICs

Stereo Audio Codec Delivers 94 dBA SNR

November 13, 2008 10:37 am | Product Releases | Comments

Adding to the emPowerAudio family, Nuvoton Technology’s WAU8822 stereo audio codec demonstrates 48-kHz stereo DAC SNR of 94 dBA and 48-kHz stereo ADC SNR of 93 dBA. The 5 mm² 32-lead QFN-packaged component exhibits DAC THD of -84 dB, ADC THD of -80 dB, speaker drive capability of 900 mW, and standby current consumption of 6 µA. The unit drives

LISTED UNDER: ICs

DC/DC Buck Converter Supplies 600 mA

November 13, 2008 9:29 am | Product Releases | Comments

Suiting single Li-ion cell or triple AA cell applications, austriamicrosystems’ AS1324 DC/DC buck converter delivers 600 mA from an input voltage range from 2.7 V to 5.5 V. The 5-pin TSOT23-packaged component displays a duty cycle capability for low dropout, an adjustable variant allowing an externally-set output voltage from 0.6 V to VIN, and a switching frequency of

LISTED UNDER: ICs

Dual-channel DACs Designed for High-performance Apps

November 13, 2008 5:21 am | Analog Devices, Inc. | Product Releases | Comments

Integrating two DACs on a single device, eight TxDAC transmit digital-to-analog converters (DACs) from Analog Devices are designed for communications, industrial, instrumentation and other demanding high-performance applications. Dissipating 220-mW at their maximum sample rate, the AD911x series feature 2-mA full-scale output current. Each TxDAC integrates two 14-, 12-, 10- or 8-bit digital-to-analog converters

LISTED UNDER: ICs

MCUs Integrate Flash Memory

November 12, 2008 10:31 am | Renesas | Product Releases | Comments

Performing in automotive body and chassis control applications, Renesas Technology’s M16C/5L and M16C/56 16-bit MCU groups offer 96 KB, 128 KB, or 256 KB Flash memory in the 80-pin package, and 64 KB, 96 KB, 128 KB, or 256 KB Flash memory in the 64-pin package. The components exhibit 16 KB of independent user Flash memory for storing programs for

LISTED UNDER: ICs
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PWM Regulator Drives MOSFET

November 11, 2008 11:39 am | Product Releases | Comments

Employing an external Schottky diode, Intersil’s ISL8500 buck PWM regulator powers an internal-switching N-channel power MOSFET that generates an output voltage from 0.6 V to 19 V. The 4 mm × 3 mm 12-lead DFN-packaged component presents an input voltage of up to 24 V, output current of up to 2 A, a fixed switching frequency of 500 kHz, a simple voltage mode with integrated input voltage feed forward control. The unit exhibits overcurrent, undervoltage, and

LISTED UNDER: ICs

Compiler Gets More DMIPS/MHz

November 10, 2008 11:14 am | Product Releases | Comments

Targeting Silicon Labs’ 8051 MCU family, Hi-Tech Software’s HI-TECH C PRO “omniscient code generation” (OCG) compiler uses Silicon Labs’ Dhrystone V1.1 benchmark and a 22.11 MHz clock to achieve 55.40% more DMIPS/MHz in a 49% smaller code size than other non-OCG compilers in its class, according to the company. The ANSI C program collects comprehensive data on every register, stack, pointer, object, and variable declaration across the entire program, and uses the information to

LISTED UNDER: ICs

Brian Halla talks about the future at electronica

November 10, 2008 7:30 am | Product Releases | Comments

National Semiconductor’s (www.national.com) CEO, Brian Halla, spoke today at a press conference on the eve of electronica 2008 in Munich about the future of technology and National Semiconductor’s role in it. He spoke about the power of convergence, the importance of analog, and the Next Big Thing.

LISTED UNDER: Boards & Modules | ICs

Power Amplifier Targets Femotcell Markets

November 10, 2008 7:03 am | Product Releases | Comments

Operating from 2.5 GHz to 2.7 GHz with extended operational capability between 2.3 GHz and 2.5 GHz, Anadigics’ AWB7220 4.5 V power amplifier is specifically designed for use in 3G and 4G femtocell and customer premises equipment (CPE) worldwide. The 7 mm × 7 mm × 1 mm SMT unit delivers 28 dBm (P1dB = 35 dBm) output power with 30 dB gain, and functions in

LISTED UNDER: ICs

PWM Controllers Enable Energy-Efficient Designs

November 7, 2008 9:31 am | On Semiconductor | Product Releases | Comments

Complying with Intel’s VR11.1 requirements, ON Semiconductor’s ADP4000 and ADP4100 6-phase PWM controllers allow for energy-efficient motherboard and graphics card designs for servers and desktop computers. The LFCSP-48-packaged components conserve power during light-loading, and exhibit VID transitions to adjust the processor voltage and processor frequency to switch between power/performance states. The RoHS-compliant devices offer

LISTED UNDER: ICs

DC/DC Controller Used in Step Up/Down Inverting

November 7, 2008 4:41 am | Product Releases | Comments

Operating over a temperature range of -55°C to 125°C, the LT3724 from Linear Technology is a 60V (65 V max.) low quiescent current (100 µA) switching regulator DC/DC controller used in step-down, step-up, inverting, and SEPIC topologies. A power supply incorporating the DC/DC controller can convert a 4 V to 60 V input supply to a regulated output

LISTED UNDER: ICs

Controller ICs Target Capacitive Touch Apps

November 6, 2008 4:07 am | Product Releases | Comments

Adding to the PureTouch family, Leadis Technology’s LDS6003, LDS6005, LDS6023, LDS6025, and LDS6028 touch controller ICs perform in mobile and non-mobile capacitive touch applications. The 0.8 mm thick components operate at 1.8 V with power consumption of <200 µW, Strongest Touch Selection (STS) for inadvertent touch prevention; Threshold Individually Programmed (TIP), and Automatic Ambient Compression (AAC) for environmental response

LISTED UNDER: ICs

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