Linear Technology introduces the LTC3816, a single-phase synchronous step-down DC/DC controller implementing the Intel® IMVP-6®, IMVP-6+®, and IMVP-6.5® protocols. Intel Mobile Voltage Positioning (IMVP) is a smart voltage regulation technology that effectively reduces the amount of output capacitance required for a given output error budget. On-chip support is provided for all the IMVP-6/6+/6.5 requirements, including a 7-bit VID code, start...

Linear Technology annonce le LT3519, un convertisseur DC/DC, 45 V, à détection de courant côté chaud, conçu pour piloter des DEL de forte intensité. La gamme de tensions d’entrée du LT3519, de 3 V à 40 V, le rend idéal dans les applications incluant l’automobile et l’éclairage industriel. La combinaison de son commutateur interne de 45 V, 750 mA, de la diode Schottky et du circuit de compensation interne conduit à une solution de...

Linear Technology announced the LT3519, a 45V, high side current sense DC/DC converter designed to drive high current LEDs. The LT3519's 3V to 40V input voltage range makes it ideal for applications such as automotive and industrial lighting. The combination of an internal 45V, 750mA switch, Schottky diode and internal compensation provides a highly compact LED driver solution.

Linear Technology annonce le LTC3553, un circuit intégré multifonction gestionnaire d’alimentation (PMIC), de très faible consommation, pour les applications portables alimentées sur batterie Li-ion / polymère. Le LTC3553 intègre un contrôleur PowerPathTM linéaire, compatible USB, un chargeur de batterie autonome, un régulateur à découpage synchrone, de haut rendement, un régulateur linéaire à faible chute de tension et un contrô...

Linear Technology has announced the LTC3553, a micropower multifunction power management integrated circuit (PMIC) solution for portable Li-Ion/Polymer battery-based applications. The LTC3553 integrates a USB-compatible linear PowerPath™ manager, a stand-alone battery charger, a high efficiency synchronous buck regulator, a low dropout linear regulator and pushbutton controller in an ultrathin (0.55mm) 3mm x 3mm QFN package. A pin-selectable st...

Linear Technology annonce la version de classe H du LT3496. Le LT3496 est un convertisseur DC/DC 2 MHz, conçu pour fonctionner en tant que pilote de DEL, à trois canaux, à courant constant. Chacun des trois canaux du composant peut piloter jusqu’à huit DEL de 500 mA en série, lui permettant de contrôler jusqu’à 24 DEL 500 mA, avec un rendement jusqu’à 96%. La version de classe H fonctionne avec une température de jonction maximum d...

Linear Technology announces the H-grade version of the LT3496. The LT3496 is a 2MHz DC/DC converter designed to operate as a three-channel constant current LED driver. Each of the device’s three channels can drive up to eight 500mA LEDs in series, enabling it to drive up to 24 x 500mA LEDs at efficiencies up to 96%. The H-grade version operates up to a junction temperature of 150˚C, compared to the E- and I-grade versions’ 125˚C max...

Linear Technology annonce le LT3970, un régulateur à découpage, abaisseur, 350 mA, 40 V, avec diodes élévatrice et de roue libre. Le fonctionnement en Burst Modeâ maintient le courant de repos inférieur à 2,5 µA en l’absence de charge. Le LT3970 fonctionne à partir d'une gamme de tensions d’entrée de 4,2 V à 40 V, ce qui le rend idéal dans les applications industrielles et de l'automobile. Son commutateur interne de 550 mA peut ...

Linear Technology has announced the LT3970, a 350mA, 40V step-down switching regulator with integrated boost and catch diodes. Its Burst Mode operation keeps quiescent current under 2.5µA in no load standby conditions. The LT3970's 4.2V to 40V input voltage range makes it ideal for automotive and industrial applications. Its internal 550mA switch can deliver up to 350mA of continuous output current to voltages as low as 1.21V. The LT3970's Burst...

Linear Technology annonce le LT3596, un convertisseur DC/DC, mode abaisseur, 1 MHz, 60 V, conçu pour piloter, à intensité constante, jusqu’à 30 DEL blanches. Sur une alimentation de 48 V en entrée, le LT3596 peut piloter jusqu’à trois guirlandes de DEL, chacune de 10 DEL en série, de 100 mA, avec un rendement supérieur à 90%. La possibilité de la fonction multi-canaux du LT5396 le rend idéal pour les panneaux d’affichage à DEL ...

Linear Technology announces the LT3596, a 60V, 1MHz step-down DC/DC converter designed to operate as a constant current LED driver for up to 30 LEDs. From a 48V input, the LT3596 can drive up to three strings of LEDs, each with up to ten 100mA LEDs in series, delivering efficiencies of over 90%. The LT3596’s multichannel capability makes it ideal for LED billboards as well as industrial and medical displays. Its input voltage range of 6V to 60...

Linear Technology annonce le LT3754, un pilote de DEL utilisant un contrôleur DC/DC, en mode élévateur, pouvant piloter jusqu’à 45 V des DEL de 50 mA par canal. Son contrôleur DC/DC interne, en mode élévateur, 1 MHz, 60 V, est conçu pour piloter à courant constant jusqu’à 160 DEL blanches. A partir d’une tension de 12 V en entrée, le LT3754 peut piloter 16 canaux, chacun comprenant jusqu’à 10 DEL blanches en série, de 50 mA, ...

Linear Technology has announced the LT3754, a 16-channel LED driver, utilizing a step-up DC/DC controller capable of driving up to 45V of 50mA LEDs per channel. Its internal 60V, 1MHz DC/DC boost mode controller is designed to operate as a constant current LED driver for up to 160 white LEDs. From a 12V input, the LT3754 can drive 16 channels, each with up to ten 50mA white LEDs in series while delivering efficiencies exceeding 92%. Its multi-cha...

Boost power conversion is important function in many industrial, automotive and commercial applications. Higher power level customers have to deal with issues of high ripple currents, high power dissipation and higher EMI levels.

RF mixers are critical components that make up the modern transceivers used in 3G and 4G wireless infrastructure, communication gears and military systems. The receivers' robustness depends on their dynamic range performance.

Linear Technology has announced the H-grade version of the LT3680, a 3.5A, 36V step-down switching regulator with Burst Mode operation to keep quiescent current under 75µA. The LT3680 operates within a VIN range of 3.6V to 36V, making it ideal for load dump and cold-crank conditions found in automotive applications. The H-grade version operates up to a junction temperature of 150ºC, compared to the E and I versions' 125ºC maximum junction temp...

Linear Technology announces the H-Grade version of the LT3686. The LT3686H is a 1.2A, 37VIN step-down switching regulator. The LT3686H operates within a VIN range of 3.6V to 37V with overvoltage lockout, protecting the regulator and load from transients as high as 55V, making it ideal for load dump and cold-crank conditions commonly found in automotive applications as well as 24V industrial supplies. Its internal 1.85A switch can deliver up to 1....

Linear Technology introduced the LTC4219 5A Hot Swap controller for protecting low power boards with load supply voltages ranging from 2.9V to 15V. The LTC4219 allows a board to be safely inserted and removed from a live backplane by limiting the amount of inrush current to the load supply during power up. Hot Swap controllers typically call for a number of supporting components. However, the LTC4219 integrates a power MOSFET and sense resistor i...

Linear Technology has announced the LT3050, a high voltage, low noise, low dropout voltage linear regulator offering precision, programmable current limit and diagnostic capability. The device delivers up to 100mA output current with a 340mV dropout voltage at full load. The LT3050 features a wide 2V to 45V input voltage range, delivering adjustable output voltages from 0.6V to 44.5V. A single capacitor at the REF/BYP pin provides programmable lo...

Linear Technology annonce le LT3050, un régulateur linéaire, à faible chute de tension, à faible niveau de bruit, de forte tension présentant précision, limite programmable de l’intensité du courant et possibilité de diagnostic. Le composant génère un courant de sortie jusqu’à 100 mA avec une chute de tension de 340 mV à pleine charge. Le LT3050 offre une large gamme de la tension d’entrée, de 2 V à 45 V, générant des tensio...