Circuits

Dual Buck Converter targets wireless applications.

Integrating 1.7 A and 800 mA buck converters, Model AAT2789 consolidates power management functions for WLAN products, GPS devices, smart phones, and other handheld devices. Two-channel synchronous step-down converter operates from 2.7-5.5 V, making it suited for portable systems powered from single-cell Li-Ion battery or consumer equipment using 3.3 or 5 V bus. Housed in 3 x 4 mm TDFN package,...

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Single-Chip LSI is developed for audio playback devices.

Single-Chip LSI is developed for audio playback devices.

Including 2 W output filter-less Class-D speaker amplifier and 16-bit DA converter, model ML26211 incorporates LoudSound technology to increase volume and improve sound quality for small speakers, such as those in portable navigation devices. LSI also includes ALC/limiter, serial audio interface, volume, mute function, sampling frequency range of 8-48 kHz, and clock frequency of 11.2896-54 MHz....

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IR Introduces Revolutionary GaN-Based Power Device Technology Platform

Proprietary GaN-on-silicon epitaxy and power device technology heralds new era for power conversion EL SEGUNDO, Calif.--International Rectifier Corporation (NYSE:IRF) today announced the successful development of a revolutionary gallium nitride (GaN)-based power device technology platform that can provide customers with improvements in key application-specific figures of merit (FOM) of up to a...

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Six-Channel Touch Controller IC has integral LED driver.

Supplied in 4 x 4 mm MLF28 package and designed for portable electronics products, AT42QT1060 integrates 6 channels of touch sensing with ability to drive up to 7 low-current LEDs directly through PWM output function. Capacitive guard channel helps prevent false triggering and uses Adjacent Key Suppression(TM) to ensure only intended key is activated by touch of finger. Operating from 1.8-5.5...

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Flash-Based FPGAs target space-flight applications.

Based on ProASIC-®3 architecture, radiation-tolerant 600,000-gate RT3PE600L and 3 million-gate RT3PE3000L support power supplies ranging from 1.2-1.5 V. Reprogrammability of devices facilitates prototyping and eases hardware timing validation while offering critical immunity to radiation-induced configuation upsets. Model RT3PE600L is available in 484-pin CCGA and LGA packages, while RT3PE3000L...

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Gate Driver has external pin for dead-time control.

Model FAN7387 high-voltage gate driver (HVIC) is suited for ballast, SMPS, and half-bridge inverter applications. It features high-side driver operation with negative Vs swings up to -9.8 V and 220 -µA quiescent current to enable low power consumption in standby mode. IC utilizes lead-free (Pb-free) terminals and is characterized for moisture sensitivity in accordance with Pb-free reflow...

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Skyworks and Ember Partner to Develop Industry's First Portfolio of Front-End Modules for ZigBee® Applications

Target Applications Include Smart Meters, Home Area Networks, and Industrial Automation ATLANTA - Sept. 8, 2008 - Skyworks Solutions, Inc. (NASDAQ: SWKS), an innovator of high performance analog and mixed signal semiconductors enabling mobile connectivity, and Ember, a leader in ZigBee-® technology, today announced that they are partnering to develop the industry's first portfolio of ZigBee...

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Demodulator targets HDTV satellite consumer equipment.

Model STV0903 single-channel satellite TV demodulator operates with 600 mW STV6110A silicon tuner and meets requirements of DVB-S2 standard for broadcast applications, enabling use with H.264/MPEG-4/VC-1 decoders. Packaged in 14 x 14 mm 128-pin LQFP, set-top box chipset consumes 1.2 W and is supported by ST application program interface. Both devices support QPSK (quadrature-phase-shift-keying)...

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Secure ISO/IEC 14443 Chip suits closed-loop applications.

Supporting RF antennas as small as 38 x 28 mm, RF-HCT-WRC5-KP221 secure multi-purpose contactless chip/module combines security with flexible and configurable memory that supports up to 5 applications on one contactless card or token. This ISO/IEC 14443 Type B chip offers dynamic encryption via NIST-approved Triple DES and SHA-1 crypto-algorithms as well as ANSI X9.63 based session key security....

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Linear Regulator features 3-80 V input voltage range.

Linear Regulator features 3-80 V input voltage range.

LT3011 micropower regulator offers up to 50 mA of output current with 300 mV of LDO voltage at full load. It features 1.24-60 V adjustable output voltage range, 46 -µA (operating) and 1 -µA (in shutdown) quiescent currents, PowerGood flag with programmable delay, and output noise minimized at 100 -µVrms over 10 Hz to 100 kHz bandwidth. Suited for noise-sensitive applications, unit has...

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