Linear Technology announces the LTM8026, a 36V input, 5A step-down µModule regulator with an adjustable and precise (+/-10%) accurate current limit. The current limit enables designers to set the maximum amount of power drawn from the supply, preventing input voltage droop caused by overcurrent conditions.

Linear Technology Corporation introduces the LTC4156, a high power, I²C controlled, high efficiency PowerPath manager, ideal diode controller and Lithium Iron Phosphate (LiFePO4) battery charger for single-cell devices such as portable medical and industrial devices, backup devices and other high power density battery-powered applications. The IC is designed to efficiently transfer up to 15W from a variety of sources while minimizing power dissi...

Linear Technology announces the LT3791, a synchronous buck-boost DC/DC LED driver and voltage controller, which can deliver over 100W of LED power. Its 4.7V 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 60V, enabling the LT3791 to drive a wide range of LEDs in a single string. Its internal 4-switch buck-...

Linear Technology Corporation introduces the LTC2955 pushbutton on/off controller that manages 1.5V to 36V system power via a pushbutton interface or the presence of a supply. Unlike typical pushbutton controllers that initiate system power-ups only with the toggle of a pushbutton, the LTC2955 automatically turns on a system when power is applied from a primary or secondary supply, such as a wall adapter or car battery.

Linear Technology has introduced the LTC2862-2865, a family of exceptionally rugged, high voltage tolerant RS485/RS422 transceivers for elimination of field failures without the need of costly external protection devices. In practical RS485 systems, installation cross-wiring faults, ground voltage faults or lightning induced surge voltages can cause overvoltage conditions that exceed absolute maximum ratings of typical transceivers. The LTC2862-2...

Linear Technology Corporation introduces the LTC2974 power supply manager with EEPROM for complete digital management of power supply systems with four or more power rails. The LTC2974 utilizes an I²C interface and PMBus command set to monitor and control positive or negative supplies, providing rapid troubleshooting and debug capabilities during power system design, development, production and failure analysis.

Linear Technology Corporation introduces the LTC2974 power supply manager with EEPROM for complete digital management of power supply systems with four or more power rails. The LTC2974 utilizes an I²C interface and PMBus command set to monitor and control positive or negative supplies, providing rapid troubleshooting and debug capabilities during power system design, development, production and failure analysis. Any supply with a “run” pin c...

There is an emerging and potentially large market for wireless sensors. By their very nature, wireless sensors are chosen for use in inaccessible places, or for applications that require large numbers of sensors—too many to easily hardwire to a data network. In most cases, it is impractical for these systems to run off primary batteries.

Linear Technology Corporation introduces the LTC3866, a current mode synchronous step-down DC/DC controller that allows the use of very low DC resistance power inductor using a novel DCR sensing architecture that enhances the signal-to-noise ratio of the current sense signal. A power inductor DC resistance of as low as 0.17 milliohms can be used to maximize converter efficiency and increase power density.

Linear Technology Corporation introduces the LTC3861, 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.

Linear Technology has announced the high reliability (MP-grade) version of the LT3512, a high voltage isolated monolithic flyback regulator that operates over a -55°C to 150°C junction temperature range. This device simplifies the design of an isolated DC/DC converter. The LT3512 requires no optocoupler, third winding or signal transformer for feedback, as the device’s output voltage is sensed from the primary-side flyback signal.

Linear Technology announces the LTC5585, an ultrawide bandwidth direct conversion I/Q demodulator with outstanding linearity performance (IIP3 = 25.7dBm and IIP2 = 60dBm at 1.95GHz). The device is capable of baseband output demodulation bandwidth of over 530MHz, which can support new generation wideband LTE multimode receivers’ and digital pre-distortion (DPD) receivers’ bandwidth requirements. The I/Q demodulator operates over a wide frequen...

Linear Technology Corporation announces the LT8582, a dual independent channel, step-up DC/DC converter with integrated fault protection features for output shorts, input/output overvoltages, and overtemperature conditions. Each channel of the LT8582 uses two integrated 42V switches: a 1.7A master switch and a 1.3A slave switch that can be tied together for a total current limit of 3A.

Linear Technology Corporation introduces the LTC3839, a high frequency controlled on-time single output dual phase synchronous step-down DC/DC controller that can achieve up to 92% efficiency with a 25A output when operating at 2MHz. The operating frequency is selectable from 200kHz to 2MHz or can be synchronized to an external clock. A low 30ns minimum on-time allows for a high step-down ratio at very high operating frequencies.

Linear Technology Corporation présente le LT4363, un contrôleur de protection contre les surtensions qui offre une protection contre les surtensions et les surintensités aux systèmes électroniques de grande disponibilité. Une surtension d’alimentation se produit quand des courants se propageant le long de bus à inductance importante varient brutalement. De même, les batteries de l’automobile connaissent des conditions connues sous le...

Linear Technology Corporation introduces the LT4363, an overvoltage protection controller that provides overvoltage and overcurrent protection to high-availability electronic systems. Supply voltages surge whenever currents flowing through long inductive power buses change abruptly. Also, automotive batteries experience a condition known as load-dump, where the voltage can stay elevated for many milliseconds. Traditional protection circuitry reli...

Linear Technology announces the H-grade version of the LT3692A, a monolithic, dual output step-down switching regulator that delivers up to 3.5A of continuous output current from each channel. It operates from a VIN range of 3V to 36V with transient protection to 60V, making it ideal for load dump and cold-crank conditions found in automotive applications. Independent input, shutdown, feedback, soft-start, current limit and comparator pins for ea...

Linear Technology announces the H-grade version of the :LT3641, a dual channel, current mode step-down switching regulator with power-on reset and a watchdog timer. Its 4V to 42V input voltage range, with 55V transient capability, makes it ideal for load dump and cold crank conditions commonly found in automotive applications, which require constant output regulation even with input transients as high as 55V. The LT3641 uses a unique dual channel...

Linear Technology Corporation présente le LTC2758, le premier double convertisseur numérique-analogique (CNA) 18 bits, à sorties en courant, aux performances élevées, destiné au marché industriel. Le LTC2758 présente des caractéristiques DC (en continu) de précision, avec des INL et DNL de  1 LSB (max), sur toute la gamme de températures. En plus d’excellentes caractéristiques en continu, le LTC2758 présente un temps d’é...

Linear Technology Corporation introduces the LTC2758, the industry's first high performance dual, 18-bit, current output digital-to-anaolg converter (DAC). The LTC2758 offers accurate 18-bit DC specifications, including ±1LSB (max) INL and DNL over temperature. In addition to excellent DC specifications, the LTC2758 offers fast settling of 2.1µs and low 0.4nV•s (3V), 2nV•s (5V) glitch impulse, making it possible to produce higher frequency,...