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ARTICLES

Linear's high efficiency synchronous boost controller reduces thermal stress

July 25, 2014

 Linear Technology Corp. announces the LTC3769, a synchronous step-up DC/DC controller that replaces the boost diode with a high efficiency N-channel MOSFET, increasing efficiency and maximizing output current capability. This controller produces 24 V at up to 5 A output from a 12 V input with up to 98 percent efficiency, making it ideal for automotive, industrial and medical applications where a step-up DC/DC converter must have low heat dissipation in a small solution size. 


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Linear Tech.'s nanopower buck-boost DC/DC converter with energy harvesting battery charger

June 30, 2014

 Linear Technology announces the LTC3331, a complete energy harvesting solution that delivers up to 50 mA of continuous output current to extend battery life when harvestable energy is available.  


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Linear offers low noise 6 GHz fractional-N synthesizer with integrated VCO

June 27, 2014

 Linear Technology Corp. introduces the LTC6948, a high performance fractional-N PLL with 6GHz-plus integrated VCO.  


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Digital-To-Analog Converter: LTC2668-16

June 16, 2014

LTC2668-16Linear Technology Corp. introduces the LTC2668-16, a 16-channel, 16-bit voltage output digital-to-analog converter (DAC) with SoftSpan™ outputs, each of which can be independently configured for one of five selectable unipolar and bipolar output ranges up to ±10 V. Each rail-to-rail DAC output is capable of sourcing or sinking 10 mA with guaranteed load regulation and is stable driving capacitive loads as large as 1000 pF.


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Analog-To-Digital Converter: LTC2107

April 28, 2014

LTC2107Linear Technology Corp. announces the LTC2107, a 16-bit 210 Msps high performance high-speed analog-to-digital converter (ADC) for high-end communications receivers and instrumentation applications. The LTC2107 has superior AC performance specifications, achieving 80 dB SNR performance, 4 dB higher than alternative products, and industry leading 98 dB SFDR at baseband.


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Linear Technology's Synchronous step-down regulator delivers 2A & requires only 3.5µA of quiescent current

April 17, 2014

The LTC3624 is a high efficiency, 17V input capable synchronous buck regulator from Linear Technology that delivers up to 2A of continuous output current to outputs as low as 0.6V. Synchronous rectification delivers efficiencies as high as 95% while Burst Mode® operation requires only 3.5µA of no load quiescent current.


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Linear's gain block delivers 46 dBm OIP3 and 2.6 dB NF

April 14, 2014

Linear Technology announces the LTC6431-20, a 20 MHz to 2 GHz single-ended input and output fixed gain amplifier offering outstanding 46.2 dBm OIP3 (Output Third Order Intercept) and 2.6 dB noise figure. Its OP1dB (Output 1dB Compression Point) is a best-in-class 22 dBm.


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Linear's synchronous forward MOSFET driver eliminates signal transformer

April 2, 2014

Linear Technology Corp. announces the LT8311, a high efficiency secondary-side MOSFET driver that operates without the need for primary control in an isolated synchronous forward converter. The LT8311’s unique preactive mode eliminates the need for a signal transformer for primary to secondary-side communication by sensing signals on the secondary side to control synchronous rectification. This mode reduces component count and solution size.


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Step-Down Switching Regulator: LT3667

April 1, 2014

lt3667Linear Technology Corp. announces the LT3667, a 400 mA, 40 V step-down switching regulator with dual LDO outputs packaged in a 3 mm x 5 mm QFN or MSOP-16E. The LT3667 offers a highly compact, triple output solution for automotive and industrial applications. The LT3667 operates from a VIN range of 4.3 to 40 V with transient protection to 60 V.


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Linear's micropower 30 µV op amp settles in 15 µS to 0.0015%

March 31, 2014

Linear Technology introduces the LT6020, a dual 3V to 30V fast settling operational amplifier, featuring 30µV maximum input offset voltage and 0.5µV/°C max VOS drift. While supply current is only 100µA maximum per amplifier, proprietary slew enhancement circuitry provides fast clean output step response. The LT6020 settles to 0.0015% in less than 15µs regardless of whether the output step is 5V or 25V. Specially designed input circuitry maintains high impedance, minimizing current spikes associated with fast steps for input steps up to 5V.


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