Linear Technology has announced the LT3500, a 2A, 36V step-down switching regulator and a linear controller in a 3mm x 3mm DFN package. The LT3500 operates from a VIN range of 3V to 36V (40VMAX), making it ideal for load dump and cold-crank conditions found in automotive applications. Its 2.3A internal switch can deliver up to 2A of continuous output current at voltages as low as 0.8V.

Linear Technology has announced the LT1938, a 2.2A, 25V step-down switching regulator packaged in a 3mm x 3mm DFN. The LT1938 operates within a VIN range of 3.6V to 25V, making it ideal for 12V and unregulated wall transformer inputs. Its 3.1A internal switch can deliver up to 2.2A of continuous output current at voltages as low as 1.265V.

Linear Technology has announced the LTC3520, a dual channel, 2MHz synchronous converter. One channel utilizes a synchronous buck-boost topology which can deliver up to 1A of continuous output current with inputs above, equal, or below the output. In single cell Li-Ion applications requiring a 3.3V output, the buck-boost topology can enable over 25% longer battery run-times compared to a standard buck converter.

Linear Technology has announced the LT3595, a 45V 2MHz DC/DC buck mode converter designed to operate as a 16-channel constant current LED driver. Each channel of the LT3595 can drive up to ten 50mA LEDs in series, enabling the LT3595 to drive up to 160 50mA LEDs while delivering efficiencies up to 92%. Its multichannel capability makes it ideal for large TFT-LCD backlighting applications. Each of the 16 channels is independently operated and can ...

Linear Technology has introduced the LTC3785, a 96% efficient buck-boost switching regulator controller that operates from input voltages above, below or equal to the output voltage for powering tablet PCs, handheld instruments, wireless modems, portable media players and a wide variety of single or dual-cell Li-Ion or multi-cell alkaline/NiMH powered devices.

Linear Technology has announced the LT3693, a 3.5A, 36V step-down switching regulator packaged in either a 3mm x 3mm DFN or MSOP-10E. The LT3693 operates within a VIN range of 3.6V to 36V, making it ideal for both load dump and cold-crank conditions found in automotive applications. Its 4.6A internal switch can deliver up to 3.5A of continuous output current at voltages as low as 0.79V. The LT3693's switching frequency is user programmable from 2...

Linear Technology has announced the LT3580, a current mode, fixed frequency step-up DC/DC converter with an internal 2A, 42V switch. It operates from an input voltage range of 2.5V to 32V, making it suitable for applications with input sources ranging from a single-cell Li-Ion to automotive inputs. The LT3580 can be configured as either a boost, SEPIC or an inverting converter. Its switching frequency can be programmed, via a single resistor or s...

Linear Technology has introduced the LTC2751 family of extremely low-power, software-programmable 16-/14-/12-bit digital-to-analog converters (DACs). These current output DACs typically draw only 0.7uA of supply current (2uA max), while generating an output swing up to ±10V. Six unique output voltage ranges can be programmed via SoftSpan™ software, including two unipolar ranges (0V to 5V, 0V to 10V) and four bipolar ranges (±10V, ±5V, ±2.5V...

Linear Technology has announced the LTC6406, a high-speed with low power ADC driver, low distortion and noise. It features a rail-to-rail input stage and an independently adjustable output common mode range. Using a single 3V supply, the LTC6406's differential outputs each swing from near ground to 2V. As a result, this amplifier is ideal for level shifting signals to match the input range of 12-bit to 16-bit single supply differential input ADCs...

Linear Technology has introduced the LTC3811, a dual output synchronous step-down DC/DC controller with multiphase operation, differential output voltage sensing and integrated phase-lock loop (PLL) synchronization. Up to 12 phases can be paralleled and clocked out-of-phase to minimize the input and output filtering requirements for high current applications (up to 200A). The differential amplifier provides true remote output voltage sensing, ena...

Linear Technology has announced the LTC6702, a fast, micropower dual comparator in a 2mm x 2mm DFN package. With operation down to 1.7V and less than 60uA of maximum current consumption, this tiny device is ideal for portable and battery operated equipment. Low voltage operation is supported by the LTC6702’s input common mode range, which extends 100mV below ground. Despite its low power consumption, the LTC6702 can switch with a toggle rate of...

Linear Technology has announced the LTC2209, a 16-bit 160Msps high performance high-speed Analog to Digital Converter (ADC) for leading edge communications equipment and instrumentation applications. The LTC2209 extends the sampling frequency of the LTC2208 family, offering a pin-compatible upgrade path for existing designs. The LTC2209 has excellent signal to noise ratio (SNR) performance of 77.1dB and spurious free dynamic range (SFDR) of 100dB...

Linear Technology has introduced the LTC4268-1, a Power over Ethernet (PoE) interface controller with a synchronous, current mode, switching regulator for delivering precise regulation and high efficiency to power-hungry Powered Devices (PDs). The LTC4268-1 provides up to 35W for 2-pair systems and as much as 70W for 4-pair systems. As the momentum for PoE continues to grow, the LTC4268-1 bridges the gap to enable development of innovative high-p...

Linear Technology has announced the LTC2246H, a 25Msps, 14-bit Analog-to-Digital Converter (ADC) for high temperature, high reliability data acquisition systems. The LTC2246H, guaranteed for operation across the -40°C to 125°C temperature range, satisfies the high temperature demands of automotive and military applications. Additionally, the LTC2246H is offered in a leaded package, allowing for easier inspection of solder joints in manufacturin...

Linear Technology has introduced the LTC2915, a single voltage supervisor with 27 unique pin-selectable thresholds, offering designers a diverse voltage monitor for many different solutions. Rather than qualifying and stocking multiple individual supervisors, each with their own unique voltage threshold, a single LTC2915 can easily be configured to meet different monitoring tasks. The LTC2915 can be used in applications ranging from network serve...

Linear Technology has announced the LTC3538, a synchronous buck-boost converter that can deliver a regulated output voltage at up to 800mA of continuous current with an input voltage above, below or equal to the output. Its input range of 2.4V to 5.5V and output range of 1.5V to 5.25 makes it ideal for single cell Li-Ion/Polymer applications. The LTC3538 provides a smooth continuous transfer through all of the operating modes, making it ideal for...

Linear Technology has introduced the LTC4090, an autonomous linear PowerPath manager, ideal diode controller and stand-alone high input voltage battery charger for portable USB devices. For high efficiency charging, the switching front-end topology accommodates various inputs, including high voltage power sources up to 38V (60V max withstand capability) such as 12V regulated/unregulated AC-DC wall adapters, FireWire ports or automotive power. In ...

The LTC4357 is a single high voltage ideal diode-OR controller from Linear Technology that offers a simple low loss replacement to the Schottky OR-ing diodes in multiple, N+1 redundant, power supply applications and high availability systems. The LTC4357 controls an external N-channel MOSFET to perform the function of a low forward voltage diode. This provides a lower loss path compared to the Schottky diode that, in high power applications, not ...

Linear Technology has announced the LT3080, a 1.1A 3-terminal LDO that may be easily paralleled for heat spreading and is adjustable with a single resistor. This new architecture regulator uses a current reference to allow sharing between multiple regulators with a small length of PC trace as ballast, enabling multi-amp linear regulation in all surface-mount systems without heat sinks.

Linear Technology has introduced the LTM4600HVMPV, a complete and encapsulated 10A switching DC/DC regulator system, the first device in a new family of uModule DC/DC regulators designed for rugged military and avionics applications. The LTM4600HVMPV is fully tested over the temperature range of -55°C to 125°C. This device is offered in a 15mm x 15mm x 2.8mm Military Plastic LGA (Land Grid Array) package. The compact LGA package has been qualif...