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LDO Regulators Consume Low Current

October 14, 2008 5:19 am | Analog Devices, Inc. | Product Releases | Comments

Coming in a 5-lead TSOT package, Analog Devices’ ADP120, ADP121 and ADP130 linear LDO regulators exhibit supply currents of <350 mA to mixed-signal ICs while consuming from 11 µA to 24 µA of quiescent current. The components operate at output voltages as low as 1.2 V with a 1 µF ceramic output capacitor. The ADP120 and ADP121 offer 60 dB PSR at

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Controller Performs in Half-Bridge Converters

October 13, 2008 12:34 pm | Stmicroelectronics | Product Releases | Comments

Operating in offline power supplies, STMicroelectronics’ L6591 PWM controller demonstrates optimization for zero-voltage switching asymmetrical half-bridge converters. The device enables efficiencies of 85% min. at 500 kHz, implements pulse skipping under light-load and no-load conditions, and has a quiescent current of <3 mA. The controller includes

LISTED UNDER: ICs

ADCs Achieve 2.5 Giga-Samples Per Second

October 13, 2008 7:32 am | Product Releases | Comments

Sampling at 2.5 Gsps in 1st and 2nd Nyquist zones, the EV10AS150 family of 10-bit analogue-to-digital data converters (ADCs) from e2v features a 25% increase in analogue input bandwidth. Delivered as a combined 10-bit 2.5 Gsps ADC and DMUX device, the family includes 200 GHz fT transit frequency. The series provides: 10-bit 2.5 Gsps performance of >60 dB spurious free dynamic range (SFDR)

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Process Monitor is a Single-Chip Solution

October 10, 2008 6:53 am | Product Releases | Comments

Designed to watch the voltage, processor operation, and temperature in a computing system , the 9WDV3501 system monitoring IC from Integrated Device Technology is a single-chip solution to monitor multiple computing processes. Preventing systems from operating in error or unsafe modes, the pin-programmable device has a power-on reset function that holds the reset pins

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Buck Converter Consolidates Power Management Functions

October 10, 2008 6:17 am | Product Releases | Comments

Integrating a 1.7 A buck converter and an 800 mA buck converter, AnalogicTech’s AAT2789 dual buck converter combines power management functions for portable systems powered from a single-cell Lithium-ion battery. The 2-channel synchronous step-down component exhibits an input range from 2.7 V to 5.5 V, externally-adjustable output voltage, a low

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RF Switch Contains Four TX Paths

October 9, 2008 12:14 pm | Product Releases | Comments

Using UltraCMOS process technology, Peregrine Semiconductor’s PE42641 HaRP-enhanced SP4T RF switch presents 4 identical WEDGE- and CDMA-compliant TX paths while operating from DC to 3,000 MHz. The 3 mm × 3 mm × 0.75 mm QFN-packaged unit exhibits insertion loss of 0.45 dB at 1,000 MHz and 0.60 dB at 2,000 MHz, and isolation of

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Microcontrollers Employ a Hardware Control Law Accelerator to Assist the CPU

October 9, 2008 10:31 am | Product Releases | Comments

Offloading high-speed control algorithms from the main TMS320C28x CPU, Texas Instruments’ Piccolo Series MCUs frees the CPU to handle I/O and feedback loop metrics via its control law accelerator (CLA) design. The units provide 32-bit real-time control in solar power micro-inverters, LED lighting, white good appliances and hybrid automotive

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LED Backlight Driver Provides Flexible Color and Output Control

October 8, 2008 7:05 am | On Semiconductor | Product Releases | Comments

Integrating management for LCD backlighting, light output control, and ambient light sensing feedback, the NCP5890 lighting management IC from ON Semiconductor creates homogeneous lighting for LCD backlights Delivering an output of 30 V, the chip can control up to three sets of white or RGB LEDs in backlights. keypads, or chassis lighting. Features include an overall power efficiency

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Fifty-Volt LDMOS Power Transistors Serve L-Band Radar Applications

October 8, 2008 7:05 am | Product Releases | Comments

Freescale Semiconductor introduced a 50 V LDMOS RF power transistor line-up for L-Band radar applications. The MRF6V14300H final stage device produces pulsed RF output power of 330 W at frequencies between 1,200 and 1,400 MHz and offers desirable efficiency, gain and thermal resistance at this power level and frequency. This line of transistors offers

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High Density 40-nm FPGAs and HardCopy ASICs Present Transceiver Options

October 8, 2008 6:49 am | Product Releases | Comments

Altera introduced its Stratix IV 40-nm FPGAs and HardCopy ASICs. Both devices feature transceivers options, provide desirable densities, performance and low-power. The Stratix IV family has up to 680K logic elements (LEs), two-times bigger than the company’s Stratix III family. The HardCopy IV ASIC family offers equivalent densities as the Stratix IV devices and features up to 13.3 million gates. These 40-nm devices meet the diverse high-end

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Powertrain Microcontrollers Feature Emissions Control Technology to Address Global Warming

October 8, 2008 6:33 am | Stmicroelectronics | Product Releases | Comments

Freescale Semiconductor has introduced a family of 32-bit automotive microcontrollers (MCUs) with integrated emissions control technology. The MPC563xM family includes three 32-bit powertrain MCUs designed to help improve the efficiency and performance of small engines scaling from one to four cylinders. Built on Power Architecture technology, the MPC563xM devices help address the cost constraints of engine and transmission suppliers and

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Space-Saving SRM-SPM Power Modules Drive Two-Phase Switched Reluctance Motors

October 7, 2008 1:41 pm | Fairchild Semiconductor | Product Releases | Comments

Fairchild Semiconductor introduced what is said to be the first SRM-SPM power modules for driving two-phase switched reluctance motors (SRM) in small motor applications. Switched reluctance motors are an alternative to AC drives due to their high efficiency. The small motor industry is migrating from single-phase to two-phase SRM motors due to their

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Worldwide Wireless USB Chipset with PCI Express Interface

October 7, 2008 1:34 pm | Product Releases | Comments

Alereon announced the AL5350 BaseBand Processor (BBP) plus Media Access Controller (MAC) that pairs with the previously announced AL5100 RF transceiver. This chipset features both a USB and PCI Express interface designed for high performance PC embedded Half-MiniCard Wireless USB applications, docking stations, wireless monitors and wireless connections from laptops to HDTVs. In addition, the AL5350/AL5100 chipset was designed to

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SiC MESFETs Surpass Silicon, GaAs Devices

October 7, 2008 1:25 pm | Product Releases | Comments

Cree, Inc. unveiled its 48 V silicon carbide (SiC) RF MESFETs that are optimized for applications such as wideband Mil/Aero and defense communications, Class A and A/B amplifiers, and wireless broadband applications. Properties include high breakdown voltage, high saturated electron drift velocity and high thermal conductivity, surpassing silicon or gallium arsenide. The 10 W Model CRF24010 has a 15 dB gain and junction-to-case

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High-Current Flash LED Driver Provides Adjustable Over-Voltage Protection for Single or Dual LED Operation in Handheld Devices

October 7, 2008 1:14 pm | Product Releases | Comments

National Semiconductor introduced a high-current light-emitting diode (LED) driver that enables dual LED operation for the camera flash function in portable multimedia devices.  The LM3553 fixed-frequency, step-up DC/DC converter with two regulated current sinks, drives loads up to 1.2 A from a single-cell Li-Ion battery. The driver’s adjustable over-voltage protection circuitry allows designers to drive two high-current LEDs in a series configuration, which

LISTED UNDER: ICs

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