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The LT3597 from Linear Technology ((Milpitas, CA) is a 60-V triple step-down LED driver capable of achieving 10,000:1 digital PWM dimming at 100 Hz with fast NPN current sources driving up to 10 LEDs in each channel. LED dimming can also be achieved via analog control of the CTRL1-3 pin.
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The bq25504 from Texas Instruments (Dallas, TX) is an integrated energy harvesting nanopower management solution for ultra low power applications. The boost converter is designed to efficiently acquire and manage the microwatts to miliwatts of power generated from a variety of DC sources like photovoltaic or thermal electric generators.
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Linear Technology Corporation (Milpitas, CA) has introduced the LTC4415, a monolithic two-channel 4A PowerPath™ ideal diode device designed to reduce heat, voltage drop, and board space while preserving battery run time in power switchover circuits.
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Powerex (Youngwood, PA) has introduced IGBTs from 300A/1200V - 800A/1200V in conventional packages, allowing users an easy upgrade path for increased system ratings and/or improved reliability due to the increased allowable operating junction temperature. Applications include motor drives, fuel cells, and wind and solar inverters.
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International Rectifier (El Segundo, CA) has released automotive-qualified 600 V IGBTs optimized for variable speed motor control and power supply applications used in electric and hybrid vehicles. The new devices cover a broad current range and offer a short-circuit rating of ≥5µs.
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XP Power (Sunnyvale, CA) has released the DLG series of constant voltage and constant current LED drivers for a range of outdoor lighting, security, and machine vision applications. The IP67-rated waterproof units are highly efficient, up to 90%, and generate less waste heat than competitor products - resulting in an extended operating lifetime.
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austriamicrosystems (Unterpremstaetten, Austria) offers two new battery charger ICs for Li-ion batteries in mobile devices. The AS3610/11 step-down DC-DC chargers offer fast and highly efficient charging of Li-ion batteries with up to 1.25 A output current. The ICs include safety and protection features, internal current measurement, and USB Host/OTG (on the go) boost mode operation.
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