Linear Technology Corporation introduces the LTC2654, a quad voltage output 16- and 12-bit digital-to-analog converter (DAC family) with internal reference and SPI interface. LTC2654 DACs achieve 16-bit performance of ±4LSB INL maximum over temperature, a factor of two better than the nearest 16-bit quad competitor with internal reference.

Linear Technology has introduced the LTM8025, a 3A high voltage DC/DC µModule regulator system with up to 36V input voltage and 24V output voltage. The 24V output voltage range is ideal for 12V to 20V intermediate bus systems and the 36V input provides sufficient input protection in 24V and 28V systems.

Linear Technology Corporation présente le LTC3890/-1, un contrôleur DC/DC, abaisseur, synchrone, de forte tension, à deux sorties, qui ne consomme que 50 μA avec une sortie active et 60 μA lorsque les deux sorties sont actives. Avec ses deux sorties à l’arrêt, le LTC3890/-1 consomme à peine 14 μA. La gamme de tensions d’entrée, de 4 V à 60 V, constitue une protection contre les impulsions de forte tension, permet d’as...

Linear Technology Corporation introduces the LTC3890/-1, a high voltage dual output synchronous step-down DC/DC controller that draws only 50µA when one output is active and 60µA when both outputs are enabled. With both outputs shut down, the LTC3890/-1 draws a mere 14µA. The 4V to 60V input supply range is designed to protect against high voltage transients, continue operation during automotive cold crank and cover a broad range of input sour...

Linear Technology Corporation introduces the LTC4425, the latest in a family of 2-cell supercapacitor chargers for addressing high peak power, data backup and “dying gasp” needs in portable and data storage applications. The device employs a linear CC-CV architecture with thermal limiting to charge two supercapacitors in series to a programmable output voltage from a Li-Ion/Polymer battery, a USB port, or other 2.7V to 5.5V current-limited su...

Linear Technology Corporation introduces the LTC2941/LTC2942 battery gas gauges with an I2C interface for 2.7V to 5.5V systems. Unlike most coulomb counters that infer charge by sampling the current and integrating digitally, the LTC2941/LTC2942 use a continuous-time analog integrator to measure charge directly, resulting in minimal offset and gain error and better overall charge accuracy. The LTC2941 measures the charge flowing in and out of a ...

Linear Technology has announced the LT3758, a high input voltage DC/DC controller for boost, flyback, SEPIC and inverting power supply applications, capable of generating either positive or negative regulated output voltages. The LT3758 has two voltage feedback error amplifiers and reference voltages. One set is for positive output voltages, the other is for negative output voltages, both off a single feedback pin, making the LT3758 a highly vers...

Linear Technology Corporation annonce le LT3032, un double régulateur linéaire, à faible chute de tension positive et négative. Le composant génère un courant continu de sortie jusqu’à ± 150 mA, par canal, avec une chute de tension de 300 mV à pleine charge. Le LT3032 présente une large gamme de tensions d’entrée, de ± 2,3 V à ± 20 V, générant des tensions de sortie réglables de ± 1,22 V à ± 20 V.

Linear Technology Corporation announces the LT3032, a dual, low noise, positive/negative low dropout voltage linear regulator. The device delivers up to ±150mA continuous output current on each channel with a 300mV dropout voltage at full load. The LT3032 features a wide input voltage range of ±2.3V to ±20V, delivering adjustable output voltages from ±1.22V to ±20V. A single capacitor provides ultralow noise operation only 20µVRMS across a ...

Linear Technology today announced a series of free half-day seminars on the use of its family of high performance DC/DC µModule regulators. Designers today are challenged with increased complexity of power design and a growing number of system voltage rails. These seminars will help designers solve their power design challenges with efficient, compact µModule power solutions. The seminars take place in March and April at the dates and locations...

Linear Technology Corporation annonce le LTC3865/-1, un contrôleur DC/DC abaisseur, synchrone, à deux sorties, avec programmation de deux tensions de sortie VOUT à partir d’une broche, une caractéristique permettant l’économie de quatre résistances de boucle de régulation, de précision. Les tensions de sortie maintiennent une précision de ± 1%, incluant le point de consigne, une gamme de températures de fonctionnement de – 40°C ...

Linear Technology Corporation announces the LTC3865/-1, a 95% efficient, dual output synchronous step-down DC/DC controller with 2-pin selectable VOUT programming, a feature that saves 4 precision feedback resistors. The output voltages maintain a tight ±1% accuracy including initial set-point, a -40°C to 125°C operating temperature range and load/line regulation. Nine selectable output voltages ranging from 0.6V to 5V are possible. The 4.5V t...

Linear Technology announced the LTC3127, a 96% efficient, synchronous buck-boost converter that delivers up to 1A of output current to a regulated output voltage with inputs above, below or equal to the output. The LTC3127 features a ±4% accurate programmable average input current limit with a 200mA to 1000mA range, making it ideal for GSM modems or Supercapacitor chargers powered from sources with hard limits on output current. This enables sys...

Linear Technology has introduced the LTC2978 Power Supply Monitor and Controller for digital management of up to eight 0V to 6V power supplies. Configuring multiple DC/DC converters in an already complex system can be a complicated design task when using passive components. Values defined by external trim resistors and capacitors such as startup time, setpoint value or switching frequency make a system inflexible.

Linear Technology introduced the LTC3860, a dual output synchronous step-down DC/DC controller with multiphase operation, differential output voltage sensing and high frequency operation. This controller works in conjunction with external power train devices such as Power Blocks and DrMOS, as well as discrete N-channel MOSFETs and associated gate drivers, enabling flexible design configurations. Up to 12 phases can be paralleled and clocked out-...

Linear Technology introduced the LTC4070, an easy-to-use, tiny shunt battery charger system IC for Li-Ion/Polymer batteries. The LTC4070, with its 450nA operating current, charges and protects batteries from previously unusable very low current, intermittent or continuous charging sources. The LTC4070's charge current may be boosted from 50mA up to 500mA with the addition of an external PMOS shunt device. An internal thermal battery conditioner ...

Linear Technology has announced the LT3070, a digitally programmable linear regulator with the lowest dropout voltage, lowest noise and fastest transient response of any monolithic 5A LDO currently available. Dropout voltage at 5A is an ultralow 85mV. Output voltage noise at 5A is only 25uVRMS over a 10Hz to 100kHz bandwidth. The LT3070's 1MHz unity gain bandwidth, coupled with its minimum 15uF ceramic output capacitance, provides a mere 30mV of ...

Linear Technology annonce le LTC3588-1, une solution complète à récupération d’énergie, optimisée pour des sources de faible puissance, incluant les capteurs piézoélectriques. Le LTC3588-1 intègre un redresseur en pont, à faibles pertes, avec un convertisseur abaisseur, de fort rendement, pour récupérer l’énergie des vibrations ambiantes via des capteurs piézoélectriques et la convertir ensuite en une tension de sortie régulé...

Linear Technology Corporation présente le LTC2757, le premier convertisseur numérique-analogique 18 bits (CNA) sur le marché industriel à présenter des caractéristiques en continu de précision INL de ± 1 LSB (max.) et DNL de ± 1 LSB (max). Le LTC2757 présente une résolution de 18 bits sur une gamme de tensions de sortie de ±10 V, un temps d’établissement de 2,1 μs à pleine échelle et une faible surface d’impulsion de 1,4 n...

Linear Technology présente le LT6350, un pilote de CAN SAR (convertisseur analogique-numérique à registre à approximations successives) de 16 bits, 33 MHz, faible niveau de bruit, à entrée et sortie rail-à-rail, à temps d’établissement à 16 bits de 350 ns. Il convient pour le pilotage des derniers CAN SAR aux performances les plus élevées comme le LTC2393-16. Le LT6350 intègre deux amplificateurs opérationnels et des résistances ...