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ARTICLES

Linear Tech executives publish "Analog Circuit Design, Volume Three"

Elsevier, a world-leading provider of scientific, technical and medical information products and services, announced the publication of "Analog Circuit Design Volume Three: Design Note Collection," the next book in the Analog Circuit Design series, edited by Linear Technology's Bob Dobkin and John Hamburger.


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µModule Step-Down Regulator: LTM4623

ltm4623Linear Technology Corp. introduces the LTM4623 3A µModule (micromodule) step-down regulator in an ultrathin 1.8 mm profile LGA package with only a 6.25 mm x 6.25 mm footprint.The LTM4623 operates from 4 to 20 V input supplies and precisely regulates an output voltage from 0.6 to 5.5 V with 1.5% maximum total DC output voltage error.


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Linear Tech releases universal temperature sensor IC with 0.1°C accuracy

Linear Technology Corp. introduces the LTC2983 high performance digital temperature measurement IC which directly digitizes RTDs, thermocouples, thermistors and external diodes with 0.1°C accuracy and 0.001°C resolution.


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Buck-Boost DC/DC Controller: LT3790

lt3790Linear Technology announces the LT3790, a synchronous buck-boost DC/DC controller that delivers up to 250 W of power with a single IC. Its 4.7 to 60 V input voltage range makes it ideal for a wide variety of automotive and industrial applications. Its output voltage can be set from 0 to 60 V, making it well suited as a voltage regulator or battery/supercapacitor charger.


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Linear announces input synchronous step-down switching regulator

Linear Technology Corp. announces the LT8609, a 2A, 42V input synchronous step-down switching regulator. A unique synchronous rectification topology delivers 93 percent efficiency while switching at 2 MHz enabling designers to avoid critical noise-sensitive frequency bands, such as AM radio, while providing a highly compact solution footprint. Burst Mode® operation keeps quiescent current under 2.5µA in no-load standby conditions, making it ideal for always-on systems. 


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Step-Down Switching Regulator: LT3668

LT3668Linear Technology Corp. announces the LT3668, a 400 mA, 40 V step-down switching regulator with dual tracking LDO outputs packaged in an MSOP-16E. The LT3668 operates from a VIN range of 4.3 to 40 V with transient protection to 60 V, making it ideal for automotive and industrial applications. Its internal 600 mA switch can deliver up to 400 mA.


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Linear Tech's 20 dB gain broadband differential amplifier

The LTC6430-20, a 20 MHz to 2 GHz differential input and output 20 dB gain amplifier from Linear Technology Corp., offers outstanding linearity of +51dBm OIP3 (Output Third Order Intercept) and 2.9 dB noise figure at 240 MHz. 


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Multi-Chemistry Battery Charger: LTC4079

LTC4079Linear Technology Corp. introduces the LTC4079, a 60 V, constant-current/constant-voltage 250 mA multi-chemistry battery charger. The device’s low quiescent current linear topology offers a simple inductorless design and accepts a wide 2.7 to 60 V input voltage range. The charge current is adjustable from 10 to 250 mA with an external resistor.


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Digital-To-Analog Converter: LTC2000

LTC2000Linear Technology Corp.  announces the LTC2000, a 16-bit 2.5 Gsps digital-to-analog converter (DAC) with exceptional spectral purity of 74 dBc SFDR at 200 MHz output, and better than 68 dBc SFDR for output frequencies from DC to 1 GHz, a 12 dB improvement over alternative 14-bit DACs. The LTC2000 features low phase noise and a wide 2.1 GHz to 3 dB output bandwidth.


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Triple Output Step-Down µModule®: LTM4634

LTM4634Linear Technology Corp. introduces the LTM4634, a triple output step-down µModule® (micromodule) regulator in a 15 mm x 15 mm x 5.01 mm BGA package with integrated heat sink. The thermally efficient package enables the LTM4634 to deliver full current on all three outputs (5A, 5A, and 4A), more than 70 W of output power at 65° C ambient with 200 LFM airflow.


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