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MOSFET Driver Provides 200 V

June 25, 2008 9:45 am | Comments

Providing a bridge supply voltage of up to 200 V, Supertex’s MD7120 full-bridge power MOSFET driver has an output voltage range from 12 V to 200 V with ±5 ns dead time matching and rise or fall times of less than 30 ns with a typical 1 nF load. The N-channel device drives over 100 W output with over 90% efficiency from normal logic level inputs by directly coupled internal level translators. The internal core of the RoHS-compliant driver consists of over-temperature, under-voltage and current

Resistor is Rated to 550 kO

June 25, 2008 5:47 am | Comments

Having a resistance range from 0.01 O to 550 kO, Vishay Intertechnology’s D2TO35 35-W thick film power resistor has a thermal resistance of 4.28°C/W junction-to-case at 25°C. The tinned-copper connections for the device support soldering temperatures at +270°C and are specified for operation in a temperature range from -55°C to +175°C. The RoHS-compliant resistor features a standard temperature coefficient of

Buck Converters Drive LEDs

June 24, 2008 12:18 pm | Comments

Appropriate for lighting applications using batteries and lighting fixtures with transformers, PREMA Semiconductor’s PR4101 Series buck converters drive single or multiple LEDs with currents from 100 mA up to several Amps. Accepting an nominal input from 9 to 40 VDC, the inductive devices can be modified to accept 12 or 24 VAC with additional components. With a standby current of  less than 35 µA, the buck converters

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Development Kit Creates Multi-Touch User Interface

June 24, 2008 11:27 am | Comments

Presented as the first commercially available, the SMK 15.4 development kit from Stantum Technologies can enable designers and integrators to develop a multi-touch display user interface. The resulting interface lets users simultaneously move an unlimited number of fingers, nails or utensils (such as styli) on a screen.

Military Converters Deliver from 3 to 5 kVA

June 24, 2008 11:17 am | Comments

Providing an output from 3 to 5 kVA, Falcon Electric’s ED-FPC Series rackmount frequency and phase converters accept a 3-phase input with a frequency range from 40 to 450 Hz and provides a single-phase 120 VAC at 50, 60, or 400 Hz. The 4µ devices provide a sinewave output with ±3%

Tuner Circuit Reduces Noise and Distortion

June 24, 2008 6:32 am | Comments

Reducing noise and distortion in CATV set-top boxes, DVRs, PC TV tuner cards and other tuner-on-board applications, the AIT1032 from Anadigics, is a 1 GHz tuner that incorporates an upconverter, downconverter, VCO, synthesizer, RF and IF amplifier, and RF and IF gain control functions. The tuner also provides

Power Supply Delivers High Power Density

June 24, 2008 6:07 am | Comments

Delivering a power density of over 76W per in2, the EN5395QI from Enpirion, is a 9A DC/DC converter that features integrated-inductor technology and a high switching frequency.  The technology enables the PwrSoC (power supply on a chip) to attain noice immunity with a small footprint.  The part also offers

Chip Uses Novel Sleep Mode to Set Low-Power Record

June 24, 2008 4:23 am | Comments

A low-power microchip developed at the University of Michigan uses 30,000 times less power in sleep mode and 10 times less in active mode than comparable chips now on the market.The Phoenix Processor, which sets a low-power record, is intended for use in cutting-edge sensor-based devices such as medical implants, environment monitors or surveillance equipment. The chip consumes just 30 picowatts during sleep mode.

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Bipolar Gate Drivers Enable Faster Switching

June 23, 2008 10:58 am | Comments

Enabling faster charging and discharging of gate capacitances than gate driver ICs, the ZXGD3000 Series of non-inverting bipolar gate drivers have propagation delays of less than 2 ns and rise/fall times of approximately 10 ns. Provided in a 6-lead SOT23 package, the devices have independent source and sink output pins and

LED Panels Incorporate Direct Die Attachment Technology

June 23, 2008 10:49 am | Comments

Providing direct die attachment (DDA) technology, American Bright’s family of 5W or 10W LED panels has typical flux ratings of 800 lumens and 300 lumens, respectively. The Y-bin 10W module has a forward voltage of 36V DC at 320 mA and will typically produce 800 lumens, creating a luminous

Auto-Zero Op Amps Feature High Precision, Rail-to-Rail Operation

June 23, 2008 8:44 am | Microchip Technology Inc. | Comments

Microchip Technology introduced its HTUMCP6V01/2/3UTH (MCP6V0X) auto-zero operational amplifiers (op amps) featuring a self-correcting architecture that enables ultra high precision, with an input offset voltage of 2 µV maximum. They also feature high common-mode rejection, rail-to-rail input/output and low quiescent current; making them appropriate for

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Single Output 2W DC/DC Converters Offer Efficiency to 88 Percent

June 23, 2008 6:43 am | Murata Power Solutions Inc. | Comments

Murata Power Solutions introduced a range of isolated 2W single output DC/DC converters. The eight models in the NMG Series are housed in small footprint (19.5 mm x 7.5 mm x 10.0 mm high), industry-standard SIP packages that allow drop-in replacement of other devices. The converters also provide a

Quintplexer Boasts Low Insertion Loss

June 23, 2008 6:04 am | Comments

Providing improved power consumption and receiver sensitivity, Avago Technologies’ ACFM-7103 quintplexer boasts a a PCS Tx insertion loss of 1.9 dB typical (3.1 dB max), a PCS Rx insertion loss of 2.5 dB typical (3.6

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Buck-Boost Controllers Accept Wide Input Voltage

June 20, 2008 10:39 am | Comments

Accepting an input from 3 to 75 V, the LM5118 emulated current-mode-controlled buck-boost DC/DC regulator controller from National Semiconductor well-suited for battery-powered applications where the operating voltage can vary significantly. Delivering up to 10 A, the device includes features such as a shutdown current mode, a peak efficiency of 95%, and

Digital/Mixed-signal Buck Controller Supports Intel VR11.x Designs

June 20, 2008 10:38 am | Comments

CHiL Corporation introduced the CHL8100 device, which integrates digital control techniques into a mixed-signal multiphase synchronous buck controller to offer support for core voltage and load requirements and flexibility for Intel VR11.x processors. The controller is targeted at VR designs using up to four interleaved synchronous buck phases and capable of

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