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SSLD Delivers 92% Efficiency

April 14, 2008 7:19 am | Comments

Designed to withstand harsh automotive environments, the ISL78100 high power integrated solid-state-ligthing driver (SSLD) can drive from 1 to 8 HB (high brightness) LEDs. Capable of operating in boost, buck, or SEPIC configurations, the 4 mm × 4 mm × 0.9 mm QFN-packaged device operates at up to 92 percent efficiency.

MEMS-based, High Amplitude 20,000g Shock Accelerometers Among the Industry's Smallest

April 11, 2008 12:31 pm | Comments

The Aerospace & Defense division of PCB Piezotronics (PCB) introduced its Series 3991 & 3993, a family of MEMS-based, miniature high amplitude 20,000 g shock accelerometers, which are among the industry’s smallest. These accelerometers are available in both single axis and triaxial configurations and are capable of

Power MOSFET Delivers Smallest Size and On-Resistance for Type

April 11, 2008 10:07 am | Comments

Provided in a MICRO FOOT chipscale package with a 0.59 mm profile and a footprint of 1.5 mm × 1 mm, the Vishay Siliconix Si8441DB 20V p-channel TrenchFET power MOSFET is presented as having the industry’s lowest profile for this device type. It is also presented as having the lowest on-resistance for such devices with a range from 0.600O at 1.2V VGS to 0.080O at 4.5V VGS with a maximum gate-source voltage of +/- 5V.

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DC-DC Converters Target Industrial Applications

April 11, 2008 9:28 am | Comments

Developed to meet the needs of industrial equipment markets such as factory automation systems, computers and communications devices, TDK-Lamba CC-P-E Series isolated DC-DC converters are rated at 15W or 30W. A proprietary low-loss ferrite core material ensures high efficiency of operation and the devices’ power efficiency has been improved by two percent, while mounting space requirements are about 6 percent less for the 15W models and as much as 32 percent less for the 30W parts (including DIP types, SMD types and high isolation voltage types without cover).

RF Filter Handles High Frequencies

April 11, 2008 9:23 am | Comments

Operating at frequencies up to 2.4 GHz, the µFILTER RF filter from NuWaves Engineering is provided in standard and custom models with multiple pole variations in bandpass, lowpass, highpass and band-reject configurations. The 1.0” × 0.75” × 0.5” devices come in an aluminum housing and achieve a typical 20 percent or greater bandwidth, but can be designed for a 10 percent to 15 percent bandwidth.

SPDT Surface Mount Switches Target Military Applications

April 11, 2008 9:14 am | Comments

RLC Electronics announced the MIL-DTL-3928 QPL Series of SPDT surface mount switches that operate within a frequency range from 8 GHz to 18 GHz. The nominal operating voltage is 5V DC, 12V DC or 28V DC, depending on model. The insertion loss at DC to 8 GHz is 0.4 dB maximum and at DC to 18 GHz is 0.7 maximum.

Silent Detect Switch Accepts Wide-Angle Actuation

April 11, 2008 4:41 am | Comments

Targeting tactile-switch applications where input may come in from a variety of angles, the KSJ Series of normally-open SPST detect switch has a spherical actuator for a ±30° force angle offset with a maximum stroke of 1.2 mm. The voltage range is from 20 mV to 32V DC at from 1 mA to 50 mA. With a contact resistance of less than

Bidirectional Overvoltage Chip Provides Improved DSL Protection

April 10, 2008 9:27 am | Comments

With a construction that prevents surge events from being shunted into the ground and power plane, Littlefuse’s TwinChip SDP Series SIDACtor protection device provides improved DSL overvoltage protection as well as broadband driver amplifier protection for the secondary side of coupling transformers. The bidirectional device limits DSL secondary line voltage to a 43V peak with a surge current rating up to 100A for a lower and more stable off-state capacitance than typical thyristor overvoltage protection.

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Oscillator Achieves Frequency Accuracy

April 10, 2008 9:19 am | Comments

Operating at a frequency range of 1 MHz to100 MHz, Raditek Inc. announced the ROCXO-26 series oscillator. The device achieves 0.1 ppm frequency accuracy and 5V DC or 12 V DC supply voltage. Features include stability up to ±0.05 × 10-6, low aging, and compact package.

Tactile Switches Provide Illumination Choice

April 10, 2008 8:27 am | Comments

With seven different cap options and a choice of LED, the JS Series of 12mm2 illuminated momentary tactile switch provides cosmetic design choices for control in applications such as A/V equipment, consumer electronics, and test instruments. Made of polycarbonate in a nylon housing, the 12V DC logic-level switch has a tested electrical life of 100,000 cycles. Additional features include a contact resistance of less than 50mW (initial) and a dielectric strength of 1000Vrms (minimum) with an insulation resistance of over 100mW (minimum).

Transceiver IC Empowers 2.4 GHz Networks

April 10, 2008 6:52 am | Comments

Operating in the 2.4GHz band, the Nordic Semiconductor nRF24L01+ single-chip transceiver IC offers a 250kbps data rate option mode with a -94dBm sensitivity for up to triple the operating range over previous parts. Supporting up to six simultaneous wireless devices, the IC has a peak current of 13.5mA, enabling enough of a power budget to run a product on standard coin cell batteries.

Active Bypass Power Amplifiers Extend Handset Usage Time

April 10, 2008 5:29 am | 3M Electronics Solutions Division | Comments

With a power-saving quiescent current of 3mA and a gain of 10dB, Avago’s ACPM-7353 power amplifier can deliver power levels up to 11 dBm, extending operation in portable devices without compromising performance. Deployable using high, mid, or active-bypass power modes, the device supports cellular and USPCS dual-band frequencies with an RF input port for each band. Based on the fifth generation of its revolutionary CoolPAM technology, the Avago amplifier achieves up to a 10 percent extension of battery life over previous CDMA/UMTS network products.

Crosspoint Matrix Provides High Current Capacity

April 10, 2008 5:15 am | Comments

The 60-600 high current capacity 256-relay crosspoint matrix from Pickering Interfaces can switch voltages up to 30V DC or 250V AC. With features including a 10A rating per channel the 1U rackmount device is deployable in a variety of matrix configurations, from 64 × 4 to 16 × 16, one pole, with 8-way high-power D-Type connectors for both the X- and Y-axis connections.

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Software Upgrades Offer Additional Capabilities and Streamlined User Interface

April 9, 2008 11:22 am | Comments

Ansoft Corporation announced two software upgrades for the design and analysis of electromagnetic devices. Maxwell v12 is electromagnetic field simulation software used for the design and analysis of 3D/2D structures, such as motors, actuators, transformers and other electric and electromechanical devices common to automotive, military/aerospace and industrial systems. RMxprt v12 is a specialized software program dedicated to the design of electric machines.

Boost Controller IC Drives Solid-State Lighting

April 9, 2008 7:49 am | Comments

Intended for applications such as solid-state lighting where the output is a regulated current instead of a regulated voltage, the TPS40211 non-synchronous boost controller can drive multiple 1W to 5W high-brightness LEDs in series when the input voltage is less than the voltage required. Using a fixed-frequency current-mode control for improved transient

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