Linear Technology Corp.

The LTC3621 is a high efficiency, 17V input capable synchronous buck regulator from Linear Technology that delivers up to 1A of continuous output current to outputs as low as 0.6 V. Synchronous rectification delivers efficiencies as high as 95% while Burst Mode® operation requires only 3.5 µA of no load quiescent current.

Linear Technology Corp. announces the H-grade version of the LTC3722-1, a phase-modulated full bridge DC/DC controller with adaptive or manual zero voltage switching (ZVS). The device’s ZVS delay control and adjustable synchronous rectification timing optimize efficiency while reducing transformer size and electromagnetic interference, making it well suited for isolated high power applications of up to several kilowatts.

Linear Technology Corp. announces the LT3007, the latest member in a family of high voltage, micro power, robust PNP-based LDOs, featuring an ultralow 3µA quiescent current. The LT3007’s high input voltage capability, spanning 2.0 to 45 V with an adjustable output voltage ranging from 0.6 to 44.5 V, enables operation in a wide variety of application spaces.

Linear Technology announces the LTC3129, a synchronous buck-boost converter that delivers up to 200 mA of continuous output current from a wide variety of input sources including single or multiple-cell batteries as well as solar panels and supercaps. Its 2.42 to 15 V input range and 1.4 to 15.75 V output range provide a regulated output with inputs above, below or equal to the output.

Linear Technology Corp. announces the LT3030,a dual low noise, low dropout regulator with independent inputs and independent shutdown control for each channel. The device delivers continuous output current up to 750 mA on one channel and 250 mA on the other channel, with a low dropout voltage of only 300 mV at full load.

Linear Technology Corp. introduces the LTM8001, a step-down µModule® (micromodule) regulator consisting of an array of five low noise 1A linear regulators. The linear regulators are also configurable to deliver 2A, 3A, 4A or 5A, depending on the number and combination of current shared outputs.

Linear Technology introduces the LT6016 and LT6017, dual and quad wide input range operational amplifiers. These amplifiers combine high precision with the ruggedness and versatility of LTC’s unique Over-the-Top® architecture. Input offset voltage is 50 µV max, input bias current is 5 nA, and low frequency noise is 0.5 µV_P-P.

Linear Technology Corp.  announces the LT8705, a very high efficiency (up to 98%) synchronous buck-boost DC/DC controller that operates from input voltages above, below or equal to the regulated output voltage. This device has four feedback loops to regulate the input current/voltage, along with the output current/voltage.The LT8705 can be used in a wide range of applications such as a voltage stabilizer in telecom and automotive requirements.

Linear Technology Corporation introduces the LTM8045, a 2.8 to 18 V input, multi-topology DC/DC µModule® (micromodule) converter, with onboard inductor, power switch and DC/DC controller delivering up to 700 mA output current. The LTM8045 is designed for point-of-load regulation in communications, imaging and handheld test equipment.

Linear Technology announces the LTC3646, a 40 V input capable synchronous buck converter than can deliver up to 1 A of continuous output current from a 3 mm x 4 mm DFN-14 (or thermally enhanced MSOP16) package. It operates from an input voltage range of 4 to 40 V, making it ideal for automotive and industrial applications that require high voltage input capability.

Linear Technology announces the LT3761, a 60 V DC/DC controller designed to operate as a constant-current source and constant-voltage regulator. Its internal PWM dimming generator makes it ideal for driving high current LEDs, but it also has features making it suitable for charging batteries and super-capacitors.

Linear Technology Corp. announces the LTC3375, a highly-integrated general-purpose power management solution for systems requiring multiple low voltage power supplies. The device features eight independent 1A channels with I²C control, flexible sequencing and fault monitoring in a compact QFN package.

Linear Technology Corp. introduces the LTC3864, a high voltage step-down DC/DC controller that draws only 40 µA quiescent current in standby mode with the output enabled in Burst Mode^® operation. The 3.5 to 60 V input supply range is designed to protect against high voltage transients, to operate continuously during automotive cold crank and covers a broad range of input sources and battery chemistries.

Linear Technology Corporation introduces the LTC4226, a dual Hot Swap™ controller, enabling safe board insertion into live 4.5 to 44 V backplanes. The LTC4226 controls external N-channel MOSFETs to gently power up the board, avoiding sparks, connector damage and system glitches. A dual rate fault timer protects the MOSFET and system from long or damaging overcurrents.

Linear Technology announces the LT3763, a synchronous buck LED driver controller that delivers over 300 W of LED power. Its 6 to 60 V input voltage range makes it ideal for a wide variety of applications, including automotive, industrial and architectural lighting. Similarly, its output voltage can be set from 0 to 55 V, enabling it to drive a wide range of LEDs in a single string.

Linear Technology Corp. announces the LTC3122, a 3 MHz current-mode, synchronous boost DC/DC converter with integrated output disconnect. Its internal 2.5A switches deliver output voltages as high as 15 V from an input voltage range of 1.8 V at start-up (0.5 V when running) to 5.5 V, making it ideal for battery or standard 3.3 V and 5 V power sources.

Linear Technology Corp. introduces the LTM4641, a 4.5 to 38 V input, 0.6 to 6 V output, 10A step-down µModule® regulator with comprehensive electrical and thermal protection for loads such as processors, ASICs and high-end FPGAs. The LTM4641 µModule regulator monitors input voltage, output voltage and temperature conditions.

Linear Technology Corporation introduces the LTM2883, a 6-channel SPI/Digital or I² C digital µModule® isolator with triple rail regulated power for 3.3 and 5 V systems. In industrial systems applications, ground potentials can vary widely, often exceeding the tolerable range, which can interrupt communications or even destroy components.
 

Linear Technology announces the H-grade version of the LT3518. The LT3518 is a 45 V, high-side current sense DC/DC converter designed to drive high current LEDs at constant current. Its 3 to 30 V input voltage range with transient protection to 40 V makes the LT3518 ideal for a wide variety of applications, including automotive, industrial and architectural lighting.

Linear Technology Corporation introduces the LTC2996 high accuracy temperature sensor for 2.25 to 5.5 V systems. The LTC2996 measures a remote diode’s temperature with ±1° C accuracy and its own die temperature with ±2° C accuracy while rejecting errors due to noise and series resistance.

Linear Technology Corporation introduces the LTC4000-1, a high voltage controller and power manager with input maximum power point control (MPPC) that converts virtually any externally compensated DC/DC power supply into a full-featured battery charger. The LTC4000-1 is capable of driving typical DC/DC converter topologies, including buck, boost, buck-boost, SEPIC, flyback and forward.

Linear Technology announces the LTC5584, an ultrawide bandwidth direct conversion I/Q demodulator with outstanding linearity of 31 dBm IIP3 and 70 dBm IIP2. The device offers best-in-class demodulation bandwidth of over 530 MHz, supporting the latest generation of LTE multimode, LTE Advanced receivers, as well as digital predistortion (DPD) receivers.

Linear Technology introduces the LTM9012, a quad 14-bit, 125 Msps µModule® analog-to-digital converter (ADC) with integrated fixed gain drivers, passive filtering and bypass capacitance. The integrated µModule converters offer dramatic reduction in board space for high channel-count applications as diverse as medical imaging systems and MIMO 4 G base stations.

Linear Technology announces the LTC3639, a 150V input-capable synchronous buck converter that delivers up to 100mA of continuous output current. It operates from an input voltage range of 4.5V to 150V, eliminating the need for an external transient suspension device. The LTC3639 utilizes internal synchronous rectification and a programmable peak current-mode design to optimize efficiency over a broad range of output currents.

Linear Technology Corp. introduces the LTC4290/LTC4271 isolated 8-port power source equipment (PSE) controller chipset designed for use in IEEE 802.3at (PoE+) Type 1- and Type 2-compliant Power-over-Ethernet (PoE) systems. The LTC4290/4271 provides 8 independent PSE channels for simpler lower component count designs, reduced board space and ultimately reduced total solution costs.

Linear Technology introduces the LTM9013, a wideband RF-to-digital µModule® (micromodule) receiver that includes a high performance dual 14-bit, 310Msps analog-to-digital converter (ADC), a high IIP3 I/Q demodulator, two variable gain amplifiers, and 300MHz lowpass filters. The LTM9013’s quadrature sampling architecture enables acquisition of up to 300MHz of signal bandwidth with IMD3 performance of 66dB across the entire band.

Linear Technology Corp. introduces the LTC6957, a DC to 300 MHz dual output buffer/driver/logic translator, ideal for converting sine waves into low phase noise logic level signals. Prior solutions were unable to perform this conversion without introducing a significant amount of jitter.

Linear Technology announces the LTC6995, a simple, accurate low frequency clock uniquely configurable for long duration power-on reset and watchdog timer applications. The LTC6995 is the latest part in the TimerBlox® family of versatile silicon timing devices, which combines an accurate programmable oscillator with precision circuitry and logic.

Linear Technology Corp. introduces the LTC2314-14, a 14 bit 4.5 Msps successive approximation register (SAR) ADC in a tiny 8-lead TSOT-23 package, offering up to 90% reduction in size over competing solutions for space-conscious applications. This small SAR ADC integrates a precision 2.048 V/4.096 V reference with 7 ppm/°C typical and guaranteed 20 ppm/°C maximum temperature coefficient into an 8 mm² footprint.

Linear Technology announces the LS8 reference family, a series of hermetic precision voltage references packaged in a 5 x 5 mm surface mount, low stress ceramic package. These precision voltage references offer outstanding long term stability and consistent predictable behavior, over time and operating conditions. For instrumentation that demands the best possible performance over years or decades of operation, the LS8 package offers an alternative to large metal can or ceramic DIP packages.

Linear Technology announces the LTC6090, a precision operational amplifier that operates on a supply voltage up to 140 V (or ±70 V). Its combination of rail-to-rail output, 3 pA (typical) input bias current, 1.6 mV maximum input offset voltage and 3.5 µVP-P low frequency noise delivers the precision required for high performance ATE, piezo driver, and DAC buffer applications.

Linear Technology announces the LTC6430-15, a 15dB amplifier, which achieves high dynamic range in a 100 Ohm differential environment from 20 MHz to 1GHz and beyond. Two performance grades are available: at 240MHz, the A-grade OIP3 is typically 50 dBm and is fully tested and guaranteed to be a minimum of 47dBm. Noise Figure is 3dB, which corresponds to an input-referred amplifier noise of 1nV/√Hz.

Linear Technology Corp. introduces the LTC4417, a triple-supply prioritized PowerPath™ controller for 2.5 to 36 V systems. The controller selects the highest priority valid supply among three inputs to power the load. Priority is defined by pin assignment, while a supply is considered valid after it has been inside a voltage window set by 1.5 percent accurate undervoltage and overvoltage thresholds for 256ms.

Linear Technology Corp. introduces the LTC2945, a wide range I²C system monitor that monitors the current, voltage and power of any 0 to 80 V rail. In many cases, prior power monitoring solutions are limited to 3 to 5 V supplies and monitor voltages less than 36 V, requiring additional circuitry to monitor higher voltages. The LTC2945 has flexible power supply options, deriving power from a 4 to 80 V monitored supply, a 2.7 to 80 V secondary supply, or from the onboard shunt regulator.

Linear Technology Corp. introduces three low power 16-bit, 20Msps analog-to-digital converters (ADCs), the LTC2269, LTC2270 and LTC2271, offering the lowest input-referred noise and tight integral nonlinearity error (INL) for very high precision DC measurements. With only 46µV_RMS input noise and maximum guaranteed INL error of ±2.3LSB, these ADCs are suitable for very low noise, high linearity sampling applications such as digital x-ray, infrared and medical imaging, pachymeters, spectrometry and cytometry.

Linear Technology’s Dust Networks® product group introduces the SmartMesh™ LTC5800 (system-on-chip) and LTP5900 (module) families, the industry’s lowest power IEEE 802.15.4E compliant wireless sensor networking products. SmartMesh ICs and modules enable tiny sensor “motes” to be designed with a battery life of over 10 years, while companion network manager components enable the development of highly robust and secure wireless sensor networks (WSN).

Linear Technology announces the LTC6431-15, a 15.5 dB gain block that achieves high dynamic range in a 50 Ohm environment from 20 MHz to 1 GHz and beyond. It is manufactured on an advanced SiGe process and is available in two performance grades. 

Linear Technology Corp., a leading supplier of high performance analog integrated circuits, announced that its products are playing a key role in the Mars rover launched by NASA’s Jet Propulsion Laboratory (JPL).  Linear Technology’s high performance analog semiconductors are used in the Mars Science Laboratory (Curiosity) rover to enable collection of vast amounts of data, including detailed visual images of the Martian landscape and precise readings to assist scientists in assessing the geology and history of Mars.

Linear Technology announces the LTC6417, a fully differential buffer amplifier with only 1.5nV/√Hz output-referred noise. The LTC6417 is capable of driving a differential 50 Ohm load and is optimized for driving 14- and 16-bit pipeline ADCs. It can be DC- or AC-coupled at its inputs, and achieves excellent distortion performance for signals up to and beyond 600 MHz. At 140 MHz, OIP3 is 46 dBm, and HD3 is -69 dBc with 2.4 VP-P output swing into a 50Ohm load.

Linear Technology Corp. announces the LT3959, a highly versatile DC/DC converter for boost, SEPIC and inverting power supply applications.

Linear Technology Corp. introduces the LTC4364, a surge stopper with ideal diode, providing compact and low-loss protection for 4V to 80V electronics in automotive, avionics and industrial systems. The surge stopper shields downstream electronics from input overvoltages and overcurrent, enabling continuous operation through transient surges. Overcurrent limiting protects the system and supply from short-circuits at the load.

Linear Technology announces the LTC5544, a 4 GHz to 6 GHz high dynamic range downconverting mixer. The LTC5544 mixer offers high linearity with 25.9 dBm IIP3 (Input Third-Order Intercept), high conversion gain of 7.4 dB owing to its integrated IF amplifier, and a noise figure of 11.3 dB.

Discusses wireless sensor network technology and markets focusing on multi-channel time-synchronized mesh networks based on 802.15.4 radios