The LTC3633 is a high efficiency, 4MHz synchronous dual output buck regulator that incorporates a unique constant frequency/controlled on-time, current mode architecture. It can deliver up to 3A of continuous output current from each channel at output voltages as low as 0.6V from a 4mm x 5mm QFN package. The LTC3633 operates from an input voltage of 3.6V to 15V, making it ideal for dual-cell Li-Ion applications as well as 5V and 12V intermediate ...

Linear Technology announced the LT3029, a dual low noise, low dropout regulator with independent inputs and independent shutdown control for each channel. The device delivers up to 500mA per channel of continuous output current with a low dropout voltage of only 300mV at full load. The LT3029 features a wide input voltage range of 1.8V to 20V, delivering output voltages as low as 1.215V and up to 19.5V.

Linear Technology announced the LT3574, an isolated monolithic flyback switching regulator that significantly simplifies the design of a low power isolated DC/DC converter. No opto-isolator, third winding or signal transformer is required for feedback since the output voltage is sensed from the primary-side flyback signal. The LT3574 operates over a 3V to 40V input voltage range, has a 0.65A NPN power switch and can deliver up to 3 watts of outpu...

Linear Technology has introduced the LTC3858/-1, a low quiescent current, 2-phase dual output synchronous step-down DC/DC controller that draws only 170uA with one output active and only 300uA when both outputs are active. With both outputs shut down, the LTC3858/-1 draws a mere 8uA, which is ideal for automotive and notebook PC applications.

with Jim Drew, Sr. Applications Engineer - Energy harvesting applications are finding their way into many remote monitoring applications where utility power is not available. New developments in ultralow power microcontrollers with their high level of integration are enabling monitoring systems which draw sub milliwatts of power.

The LTC3604 is a high efficiency, 4MHz synchronous buck regulator that incorporates a unique constant frequency/controlled on-time, current mode architecture. It can deliver up to 2.5A of continuous output current at output voltages as low as 0.6V from a 3mm x 3mm QFN or MSOP-16E package. Its current mode operation offers excellent line and load transient response even with high step-down ratios. The LTC3604 operates from an input voltage of 3.6V...

Linear Technology announced a new high reliability (MP) grade version of the LT3845, a 4V to 60V input voltage range, low quiescent current synchronous step-down DC/DC controller. Its Burst Mode® operation keeps quiescent current under 120µA in no load standby conditions, useful for extending run time in battery-powered applications. The device's powerful onboard N-channel MOSFET gate drivers provide output current up to 20 amps at efficiencies...

Linear Technology announced the LT3060, a high voltage, low noise, low dropout voltage linear regulator. The IC delivers up to 100mA continuous output current with a 300mV dropout voltage at full load. The LT3060 features a wide input voltage range of 1.6V to 45V, delivering adjustable output voltages from 0.6V to 44.5V. A single capacitor provides both programmable ultra-low noise operation -- only 30µVRMS across a wide bandwidth of 10Hz to 10...

Linear Technology has announced the LTC3577, LTC3577-1, LTC3577-3 and LTC3577-4, highly integrated multi-function power management integrated circuit (PMIC) solutions for portable Li-Ion/Polymer battery applications. The LTC3577/-X integrates a USB-compatible linear PowerPath™ manager, a standalone battery charger, overvoltage protection, 10-LED driver, pushbutton on/off control, three high efficiency synchronous buck regulators and two LDOs in...

Linear Technology Corporation introduced the LTC4449, a high speed synchronous MOSFET driver designed to drive upper and lower power N-channel MOSFETs in a synchronous rectified converter topology. This driver, combined with one of Linear Technology's DC/DC controllers and power FETs forms a complete high efficiency synchronous regulator that can be used as a step-down or step-up DC/DC converter.

Linear Technology introduces the LT6350, a 33MHz, low noise, rail-to-rail input and output ADC driver that settles to 16-bits in just 350ns. It is suitable for driving the latest highest performance SAR ADCs such as the LTC2393-16. The LT6350 incorporates two op amps and matched resistors to create a differential output from a single-ended high impedance input.

Linear Technology has announced a family of 24 ultralow power 14-bit/12-bit, 125Msps to 25Msps, quad and dual ADCs that dissipate as little as one-third the power of competing ADCs. The flagship ADC is the LTC2175-14, a quad 14-bit, 125Msps ADC that dissipates only 558mW (140mW per channel). The LTC2175 significantly reduces system power without sacrificing AC performance, offering signal to noise ratio (SNR) performance of 73.4dB and spurious fr...

Linear Technology announced the LT3640, a dual channel, current mode step-down switching regulator with a power-on reset and watchdog timer. Its 4V to 35V input voltage range with 55V transient ride through makes it ideal for load dump and cold crank conditions commonly found in automotive applications. The LT3640 uses a unique dual channel design with a high input voltage (4VIN to 35VIN, 55VIN transient) nonsynchronous channel that delivers 1.1...

Linear Technology Corporation announced the LTC3788/-1, a dual output, high power synchronous step-up switching DC/DC controller that replaces the boost diode with a high efficiency N-Channel MOSFET. This eliminates the heat sink normally required in medium to high power boost converters. The LTC3788/-1 can produce a 24V at 5A output with up to 97% efficiency, making it ideal for high power automotive audio amplifiers, industrial and medical appl...

Linear Technology introduced the LTC2757, an 18-bit digital-to-analog converter (DAC) to offer precision DC specifications of ±1LSB INL (max) and ±1LSB DNL (max). The LTC2757 is 18-bit accurate over a ±10V output range, offering a full-scale settling time of 2.1µs and low 1.4nV•s glitch impulse. Fast settling and low glitch reduce harmonic distortion, making it possible to produce higher frequency, lower noise output waveforms. This unique...

A new wide bandwidth active upconverting mixer, the LT5578 from Linear Technology, delivers high dynamic range performance from 400MHz to 2.7GHz, supporting all of the allocated LTE (Long-Term Evolution) broadband wireless services. At 900MHz, the mixer offers 27dBm Output IP3 linearity and best-in-class noise floor of -160.5dBm/Hz at an output level of -5dBm, enabling outstanding transmitter dynamic range.

Linear Technology has introduced the LTC6412, an 800MHz analog-controlled variable gain amplifier (VGA) with outstanding noise and distortion performance, gain conformance, and gain flatness. The device's gain control is highly linear. With a guaranteed maximum conformance error of only 0.45dB, the LTC6412 offers a significant improvement over competing solutions.

Linear Technology Corporation introduced the LTM2882, a 2-channel isolated RS232 µModule transceiver that guards against large ground-to-ground differentials and common mode transients. In practical RS232 systems, ground potentials may vary widely from node to node, often exceeding the tolerable range, resulting in an interruption of communications or destruction of a transceiver.

Linear Technology announces the LTC3588-1, a complete energy harvesting solution optimized for low energy sources, including piezoelectric transducers. The LTC3588-1 integrates a low-loss, full-wave bridge rectifier with a high efficiency buck converter to harvest ambient vibrational energy via piezoelectric transducers and then convert it to a well-regulated output to power application microcontrollers, sensors, data converters and wireless tran...

Linear Technology has introduced the LTM9003, a wideband RF-to-digital receiver subsystem that includes a high performance 12-bit, 250Msps analog-to-digital converter, a bandpass filter, intermediate frequency amplifier and a high linearity RF downconverting mixer. The integrated µModule receiver significantly reduces board space and development time for wireless basestations implementing PA linearization with digital predistortion (DPD). The LT...