Linear Technology Corporation présente le LTC4417, un contrôleur PowerPathTM de trois alimentations à priorités, pour les systèmes alimentés de 2,5V à 36V. Le contrôleur choisit l’alimentation valide, ayant la priorité la plus élevée parmi les trois alimentations d’entrée, pour alimenter la charge. La priorité est définie par l’affectation donnée à une broche, une alimentation étant considérée valide si sa tension s’est...

Linear Technology announces the LT3761, a 60V 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 supercapacitors. The LT3761’s 4.5V to 60V input voltage range makes it ideal for a wide variety of applications, including automotive, industrial and ar...

Linear Technology Corporation 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. Each channel is a high efficiency synchronous step-down regulator with its own independent 2.25V to 5.5V input supply and an output voltage ...

George H. Barbehenn, Senior Applications Engineer with Linear Technology, investigates in this ES Design magazine article, the use of supercapacitors (or capacitors with up to 100F of charge storage) to bring benefits to power supply ride-through systems.

Linear Technology has today announced the introduction of the LTC4226, a dual Hot Swap controller, enabling safe board insertion into live 4.5V to 44V backplanes. The LTC4226 controls external N-channel MOSFETs to gently power up the board, avoiding sparks, connector damage and system glitches. Each supply is equipped with an electronic circuit breaker, and a higher current limit with three selectable levels.

Linear Technology announces the LTC6804 high voltage battery monitor for hybrid electric and electric vehicles, and other high voltage, stacked-battery systems. An LTC6804 can measure up to 12 series connected battery cells at voltages up to 4.2V with 16 bit resolution and better than 0.04% accuracy. This high precision is maintained over time, temperature and operating conditions by a sub-surface Zener voltage reference similar to references use...

Linear Technology announces the LT3763, a synchronous buck LED driver controller that delivers over 300W of LED power. Its 6V to 60V 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 0V to 55V, enabling it to drive a wide range of LEDs in a single string. The LT3763 offers both input and output current monitors and limit...

Linear Technology has today announced the release of three new low power 16-bit, 20Msps A/D converters, the LTC2269, LTC2270 and LTC2271, offering the lowest input-referred noise and tight integral nonlinearity error for very high precision DC measurements.

Linear Technology Corporation présente trois convertisseurs analogiques-numériques (CAN), 20Méch./s, 16 bits, basse consommation, les LTC2269, LTC2270 et LTC2271, présentant le niveau de bruit le plus bas référencé à l’entrée , et une erreur de non-linéarité intégrale (INL) minimale pour des mesures en continu de très grande précision. Avec un niveau de bruit d’entrée de seulement 46µVeff. et une erreur INL maximum garantie...

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

Linear Technology Corporation présente le LTM4641, un régulateur µModule, abaisseur, 10A en sortie, tension d’entrée de 4,5V à 38V, tension de sortie de 0,6V à 6V, avec protection électrique et thermique totale pour des charges comme les microprocesseurs, ASIC et FPGA haut de gamme. Le régulateur µModule LTM4641 gère les conditions de la tension d’entrée, de la tension de sortie et de la température.

Linear has today announced the introduction of the LTM4641, a 4.5V to 38V input, 0.6V to 6V 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’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 network...

Linear Technology Corporation présente le LTM2883, un isolateur µModule, six canaux à interface numérique SPI/ I2C, avec trois rails d’alimentation régulés pour les systèmes alimentés sur 3,3V et 5V. Dans les applications des systèmes industriels, les potentiels de masse peuvent présenter de grandes différences, excédant souvent les marges de tolérance, ce qui peut conduire à une interruption des communications et même à la dest...

Linear Technology annonce le LTC6431-15, un bloc amplificateur de gain de 15,5dB qui atteint une large gamme dynamique, chargé par 50ohms, de 20MHz à 1GHz et au-delà. Il est fabriqué à partir d’un processus de pointe, à base de SiGe, et est disponible en deux classes de fonctionnement. A 240MHz, l’OIP3 de la classe A est typiquement de 47dBm et est entièrement testé et garanti pour atteindre au minimum 44dBm. La figure de bruit est ...

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

Linear has today announced the release of the LTM2883, a 6-channel SPI/Digital or I²C digital µModule isolator with triple rail regulated power for 3.3V and 5V systems. In industrial systems applications, ground potentials can vary widely, often exceeding the tolerable range, which can interrupt communications or even destroy components.

Stacks of lithium ion cells are used in uninterruptible power supplies. Maximizing the life and the safety of these high voltage, high power battery packs depends on sophisticated electronics. Linear's LTC6803 Multicell Battery Stack Monitor is the key component in a battery management system.

Linear has today announced the introduction of a dual 13A per output or single 26A output DC/DC microModule step-down regulator that delivers up to 100A when four devices are current shared. The LTM4620 is a complete DC/DC regulator system in a 15mm x 15mm x 4.41mm LGA package, including inductors, power stages and all control circuits.

Linear Technology Corporation présente le LT4275, des contrôleurs à interface compatible LTPoE++ TM, PoE+ et PoE), pour les composants alimentés (PD) nécessitant une puissance jusqu’à 90W. La norme PoE+ limite la puissance maximum du PD à 25,5W, ce qui est insuffisant pour une nouvelle classe d’applications actuelles avides de puissance, comme les pico-stations, les stations de base, les équipements de signalisation et les caméras d...