Suitable for automotive, heavy equipment, industrial and robotic applications, the LTC3807 has been announced by Linear Technology. Featuring a 4-38V input supply range, the synchronous step-down DC/DC controller is designed to protect against high voltage transients and continue operation during automotive cold crank.

Suited for power levels up to 200W, Linear Technology has introduced the LT8310 primary-side synchronous forward controller which operates over an input voltage range of 6-100V. Without the use of an optocoupler, output voltage regulation of ±8% can be achieved, rising to ±1.5% regulation when using an optocoupler.

A linear regulator, providing high voltage, low noise and low dropout voltage, has been released by Linear Technology. Featuring a wide input voltage range of 1.6-45V, the LT3062 delivers adjustable output voltages from 0.6-40V. Programmable noise operation of only 30µVRMS across a 10Hz-100kHz bandwidth, along with a reference soft-start functionality which prevents output voltage overshoot at tu...

Boasting modulation voltage-mode control and 0.25mΩ DCR inductors, the LTC3882 DC/DC controller enables higher efficiency and up to 40A per output phase. The dual output, multiphase synchronous, step-down DC/DC controller has been introduced by Linear Technology and has compatible power train devices including DrMOS, power blocks, discrete FET drivers and associated N-channel MOSFETs.

A linear regulator, delivering up to 100mA of continuous output current with a 250mV dropout voltage at full load, has been introduced by Linear Technology. Featuring an internal NMOS pull-down, the LT3061 discharges the output voltage if either the SHDN pin is driven low or the input voltage is turned off. With this rapid output discharge, the load is protected in applications requiring power conditioning on both start-up and shut...

The LTC5599, a low power I/Q modulator, has been released by Linear Technology. The device is suitable for use with battery-powered transmitters operating in the 30MHz-1.3GHz frequency bands. Powered from a single 2.7-3.6V supply, the moduator draws only 28mA current. The company claim that this is 60% less than that of alternative solutions and does not affect the devices performance. 

Designed for Lithium-Ion, LiFePO4 and lead-acid batteries, the LTC4121 is a constant-current/constant-voltage 400mA charger. The charger, from Linear Technologies, is suited for a variety of battery chemistries due to the programmable 3.5V to 18V battery charge voltage range with tight ±1% accuracy. The LTC4121-4.2, the fixed output float voltage version, is suitable for 1S lithium-ion battery packs.

How bypass MOSFETs can help avoid the inefficiency incurred when using Schottky diodes in power supply ORing topologies. By Chew Lye Huat, Linear Technology.

H- and MP-grade versions of the LT8705 DC/DC controller has been released by manufacturer Linear Technology. The synchronous, buck-boost DC/DC controller operates over a 2.8-80V input voltage range and produces a fixed 1.3-80V output. Using a single inductor with 4-switch synchronous rectification, higher power can be achieved when multiple circuits are parallelled.

Expanding the company's LTC6090 family of precision operational amplifiers, Linear Technology has introduced the LTC6091 and LTC6090-5. Operating from a supply voltage up to 140V (±70V), the operational amplifiers have a CMOS input structure which keeps the input bias current to a maximum of 50pA at 85°C, making them suitable for sensor circuits and other applications requiring high input impedance.

Offered in a 9mm x 15mm x 4.92mm BGA package, Linear Technology's LTM8046 is a 2.5W output DC/DC µModule converter. Featuring 2kVAC galvanic isolation production tested to 3kVDC, the converter combines three 1206 case size or smaller ceramic capacitors and one 0603 size resistor, delivering a compact solution for isolated applications such as industrial, transportation and instrumentation equipment.

Delivering dual 1A continuous current to outputs as low as 0.6V, the 17V LTC3622 synchronous buck regulator has been introduced by Linear Technology. The LTC362 device is capable of switching at a fixed 1MHz frequency, whereas the LTC3622-2 device switches at 2.25MHz. Single or dual cell Li-Ion applications, as well as 5V or 12V intermediate bus systems, will benefit from the devices' input voltage range of 2.7V to 17V.

Increasing efficiency and maximising output current capability, the LTC3769 DC/DC controller replaces the boost diode with a high efficiency N-channel MOSFET. Linear's synchronous step-up DC/DC controller produces 24V at up to 5A output from a 12V input with up to 98% efficiency. These attributes make the controller suited for automotive, industrial and medical applications where a step-up DC/DC converter must have low heat dissipation in a ...

The LTC3124, a 3MHz, current-mode, synchronous boost DC/DC converter, has been introduced by LinearTechnology. Featuring output disconnect and inrush current limiting, the dual-phase converter minimises component size while delivering lower output ripple, versus an equivalent single-phase device. The device's internal 2.5A per phase capable switches together to deliver 5A of switch current. 

Getting power to the growing number of battery-powered products, such as portable medical devices, industrial sensors and even rotating or moving equipment that need to operate in sterile or even potentially explosive atmospheres. By Tony Armstrong, Director of Product Marketing, Power Products, Linear Technology.

Operating from a 7.5-40V input voltage range suitable for industrial sensor applications, the LT3669 is an IO-Link PHY compatible (COM1/COM2/COM3) industrial transceiver from Linear Technology. The device includes an integrated high efficiency step-down regulator and a low dropout (LDO) linear regulator.

Linear Technology introduces the LTC6948, a high performance fractional-N PLL with 6GHz-plus integrated VCO. In the heart of the LTC6948 is an advanced fourth order delta-sigma modulator that employs intelligent noise-shaping techniques to minimise noise contribution without creating the fractionalisation spurs found in most fractional-N PLLs on the market.

Linear Technology announces the LTC3331, a complete energy harvesting solution that delivers up to 50mA of continuous output current to extend battery life when harvestable energy is available. A simple 10mA shunt enables charging of a rechargeable battery with harvested energy while a low battery disconnect function protects the battery from deep discharge.

Linear Technology announces the LT3063, a high voltage, low noise, low dropout voltage linear regulator with active output discharge. The IC delivers up to 200mA of continuous output current with a 300mV dropout voltage at full load. The LT3063 includes an internal NMOS pull-down that discharges the output voltage if either the SHDN pin is driven low or the input voltage is turned off.

A 16-channel, 16-bit voltage output DAC has been launched by Linear Technology. The DAC includes SoftSpan outputs, each of which can be independently configured for one of five selectable unipolar and bipolar output ranges up to ±10V. Each rail-to-rail DAC output is capable of sourcing or sinking 10mA with guaranteed load regulation, and is stable driving capacitive loads as large as 1000pF.