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Press Releases from Linear Technology (47 total)

Linear Technology | LTM8026: 36V, 5A µModule Regulator Protects Input Supplies

36V, 5A µModule Regulator Protects Input Supplies from Overcurrent Conditions & Supports Asymmetric Power Sharing MILPITAS, CA – March 15, 2012 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. When multiple LTM8026 are configured

Linear Technology| LTC2881-82: Isolated RS485 & RS232 µModule Transceivers

Isolated RS485 & RS232 µModule Transceivers Now Specified for -55°C to 105°C for Military & Automotive Applications MILPITAS, CA – March 26, 2012 – Linear Technology Corporation introduces automotive (H-grade) and high reliability military (MP-grade) versions of the LTM2881 and LTM2882, isolated µModule® transceivers which guard against large ground-to-ground differentials and common-mode transients in RS485 and RS232 networks. The LTM2881 single RS485 and LTM2882 dual RS232 transceivers break ground loops

Linear Technology | LTC5544: High Linearity Downconverting Mixer Covers 4-6GHz R …

MILPITAS, CA – March 28, 2012 – Linear Technology announces the LTC5544, a 4GHz to 6GHz high dynamic range downconverting mixer. The LTC5544 mixer offers high linearity with 25.9dBm IIP3 (Input Third-Order Intercept), high conversion gain of 7.4dB owing to its integrated IF amplifier, and a noise figure of 11.3dB. These performance characteristics enable excellent dynamic range performance for both main receivers and digital pre-distortion receivers. Moreover, the LTC5544’s RF

Linear Technology | LT3992: 60V Input, Dual 3A(IOUT), 2.25MHz Step-Down DC/DC Co …

MILPITAS, CA – March 29, 2012 – Linear Technology Corporation announces the LT3992, a monolithic, dual output step-down switching regulator that delivers up to 3A of continuous output current from each channel. It operates from an input voltage range of 3V to 60V, ideal for applications requiring continuous output voltage regulation through load dump and cold-crank conditions found in automotive applications. Independent input, shutdown, feedback, soft-start, current limit and comparator

Linear Technology | HOT PRODUCT | LT3798: Isolated Power Factor Corrected Offlin …

MILPITAS, CA – December 5, 2011 – Linear Technology Corporation announces the LT3798, an isolated flyback controller with single stage active power factor correction (PFC). A power factor of greater than 0.97 is accomplished by actively modulating the input current, eliminating the need for an extra switching power stage and associated components. In addition, no opto-isolator or signal transformer is required for feedback since the output voltage is sensed from

Linear Technology | LTC3103/4: 15V, 300mA Synchronous Buck Converters with Only …

MILPITAS, CA – November 28, 2011 – Linear Technology announces the LTC3103 and the LTC3104, 15V, fixed frequency synchronous buck converters capable of delivering 300mA of continuous current to output voltages from 0.6V to 13.8V. The LTC3103 consumes just 1.8µA of quiescent current, while the LTC3104 (which offers a 10mA programmable LDO output) requires only 2.6µA of quiescent current. These devices are ideal for a wide range of battery-powered applications

Linear Technology | LTC2158: 14-Bit 310Msps Dual ADC Family Enables Linearizatio …

14-Bit 310Msps Dual ADC Family Enables Linearization of 60MHz Transmit Bandwidth Using Digital Predistortion MILPITAS, CA – October 26, 2011 – Linear Technology Corporation introduces a family of dual (LTC2158-14) and single (LTC2153-14) high IF sampling 14-bit, 310Msps analog-to-digital converters (ADCs) designed specifically for wide bandwidth digital predistortion (DPD) linearization applications. Digital predistortion is a closed-loop feedback system that samples the distortion bandwidth at the output of the base station transmitter

Linear Technology | LT3973: 42V, 750mA(IOUT), 2.2MHz Step-Down DC/DC Converter N …

MILPITAS, CA – October 25, 2011 – Linear Technology Corporation announces the LT3973, a 750mA, 42V step-down switching regulator with integrated boost and catch diodes. Its Burst Mode® operation keeps quiescent current under 2.5µA in no load standby conditions. The LT3973’s 4.2V to 42V input voltage range makes it ideal for automotive and industrial applications. Its internal 1.2A switch can deliver up to 750mA of continuous output current to voltages

Linear Technology | LT3745: 16-Channel 50mA Buck LED Driver with Dot Correction …

MILPITAS, CA – September 19, 2011 – Linear Technology announces the LT3745, a 16-channel LED driver integrated with a 55V step-down controller. The LED driver powers up to 75mA of LED current for each channel, which can drive up to 36V of LEDs in series, making it ideal for applications such as large LED billboards. Each channel has individual 6-bit dot correction current adjustment and 12-bit gray scale PWM dimming.

Linear Technology | LT3690: 36V, 4A Synchronous Step-Down Regulator Now Offered …

36V, 4A Synchronous Step-Down Regulator Now Offered in High Temperature “H” Grade & High Reliability “MP” Grade MILPITAS, CA – October 12, 2011 – Linear Technology announces the high temperature (H-grade) and High Reliability (MP-grade) versions of the LT3690. This 36V input capable, synchronous step-down switching regulator can deliver up to 4A of continuous output current at efficiencies as high as 93%. The LT3690 operates within a VIN range of

Linear Technology Commemorates 30 Years of Analog Innovation

MILPITAS, CA – September 26, 2011 – Founded 30 years ago, Linear Technology Corporation (NASDAQ: LLTC) today commemorated three decades of innovation in analog integrated circuits. Founded in September 1981, at the dawn of the digital revolution, some questioned the wisdom of founding a company focused purely on analog technology. Over these 30 years, the worldwide analog market has grown from $2 billion to over $40 billion today, and Linear

Linear Technology | LTC6360: Op Amp Drives SAR ADCs to True Zero on a Single 5V …

MILPITAS, CA – September 8, 2011 – Linear Technology introduces the LTC6360, a very low noise, high speed amplifier that can drive to 0V while maintaining high linearity on a single +5V supply. The LTC6360’s integrated ultralow noise charge pump provides an internal negative rail, eliminating the need for a negative supply. Compared to typical rail-to-rail output single-supply amplifiers that can only swing to within a few hundred millivolts

Linear Technology | LTC2991: Octal Voltage, Current & Temperature Monitor Provid …

MILPITAS, CA – September 1, 2011 – Linear Technology Corporation introduces the LTC2991, an 8-channel I2C temperature, voltage and current monitor for 3V and 5V systems. The LTC2991 is a highly integrated monitoring solution that incorporates a 14-bit ADC, 10ppm/°C voltage reference and I2C digital interface to provide submillivolt voltage resolution and 1% current measurement, as well as ±0.7°C remote accuracy and ±1°C internal accuracy, when making temperature measurements.

Linear Technology| LT3512: No-Opto 100V Isolated Monolithic Flyback Regulator Op …

MILPITAS, CA – September 15, 2011 – Linear Technology Corporation announces the new 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

Linear Technology | LTC3867: Synchronous Step-Down DC/DC Controller Using Nonlin …

MILPITAS, CA – August 10, 2011 – Linear Technology Corporation introduces the LTC3867, a fixed frequency synchronous step-down DC/DC controller with nonlinear control, differential output voltage sensing and clock synchronization. Nonlinear control minimizes the output voltage excursion during load transient events by increasing the operating frequency, allowing the LTC3867 to recover from a large load step in only a few cycles. This feature reduces the maximum deviation from nominal by

Linear Technology | LTC3765-66: Chipset Simplifies Design While Enhancing System …

Isolated Forward Converter Chipset Simplifies Design While Enhancing System Reliability MILPITAS, CA – August 9, 2011 – Linear Technology Corporation announces the LTC3765 and LTC3766 synchronous forward converter chipset with active clamp reset and Direct Flux LimitTM that prevents power transformer saturation under all conditions. The LTC3765 is a primary-side intelligent controller that works in concert with the LTC3766 to implement a robust and simple self-starting isolated power supply. After start-up,

Linear Technology | LT3641: 42V Input with 55V Transient Protection, 2MHz Dual C …

42V Input with 55V Transient Protection, 2MHz Dual Channel Step-Down Regulator with Power-On Reset & Watchdog Timer MILPITAS, CA – August 16, 2011 – Linear Technology Corporation announces the LT3641, a dual channel, current mode step-down switching regulator with a power-on reset and 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

Linear Technology | LTC3536:1A, Low Noise Synchronous Buck-Boost DC/DC Converter

1A, Low Noise Synchronous Buck-Boost DC/DC Converter Offers Extended Battery Run Time for Li-Ion & Alkaline-Powered Devices MILPITAS, CA – August 3, 2011 – Linear Technology announces the LTC3536, a synchronous buck-boost converter that delivers up to 1A of output current from a Li-Ion/Polymer source or 300mA from dual cell alkaline/NiCd/NiMH sources. Its 1.8V to 5.5V input and output voltage range achieves a +/-1% accurate output with inputs above, below or

Linear Technology | LT8500: 48-Channel PWM Generator with 12-Bit Resolution Dyna …

MILPITAS, CA – August 1, 2011 – Linear Technology announces the LT8500, a pulse width modulation (PWM) generator with 48 independent channels. Each channel has an individually adjustable 12-bit (4,096 steps) PWM register and a 6-bit (64 step) +50% correction register. All controls are programmable via a simple TTL/CMOS 50MHz serial data interface. The LT8500 can be used in a wide variety of PWM-intensive applications such as LED control, as

Linear Technology | LT1431: Adjustable Shunt Regulator Operates Over a -55°C to …

MILPITAS, CA – August 2, 2011 – Linear Technology Corporation announces a new high reliability MP-grade version of the LT1431, a three-terminal adjustable shunt voltage regulator that operates over a -55°C to 150°C junction temperature range. This device has a 100mA sink capability, 0.4% initial reference voltage accuracy and a ±1.4% maximum voltage drift over temperature. On-chip divider resistors allow the LT1431 to be configured as a 5V shunt regulator.

Linear Technology | LTC2997: Temperature-to-Voltage Converter Measures Remote Di …

MILPITAS, CA – July 11, 2011 – Linear Technology Corporation introduces the LTC2997, a high accuracy temperature-to-voltage converter with built-in series resistance cancellation for 2.5V to 5.5V systems. Many low voltage systems today rely on temperature to assess overall system health and reliability. Traditional implementations require a series of filters, a precise reference and a current source, resulting in a complex conversion scheme prone to inaccuracies if not

Linear Technology Wins Prestigious EDN Innovation Awards & EE Times ACE Award

MILPITAS, CA – May 13, 2011 – Linear Technology Corporation (NASDAQ: LLTC), a leading, independent manufacturer of analog integrated circuits, today announced that Robert Dobkin and Tom Hack of Linear were selected as Innovators of the Year in EDN’s 21st annual Innovation Awards (http://innovation.edn.com/). The two were selected for their work in developing the LT4180 Virtual Remote Sense Controller, which was also chosen by EDN as winner of the EDN

Linear Technology | LT5400: Quad Independent Resistor Networks with Guaranteed C …

MILPITAS, CA – May 11, 2011 – Linear Technology introduces the LT5400, its first family of precision matched resistors designed for high performance signal conditioning applications in difference amplifiers, precision dividers, references and bridge circuits. Three resistor network options are in full production today with resistor ratios of 1:1 and 10:1 quad 10K resistors, quad 100K resistors and dual 10K / dual 100K resistors. Each LT5400 has guaranteed

Linear Technology | LT3645: 36V, with 55V Transient Protection, 500mA(IOUT), Ste …

MILPITAS, CA – May 12, 2011 – Linear Technology Corporation announces the LT3645, a 500mA (IOUT), 36V step-down switching regulator and integrated LDO packaged in a 3mm x 3mm QFN or MSOP-12E. The LT3645 operates from a VIN range of 3.6V to 36V with transient protection to 55V, making it ideal for load dump and cold-crank conditions found in automotive applications. Its internal 0.75A internal switch can deliver up to

Linear Technology | LT3511: No-Opto 100V Isolated Monolithic Flyback Regulator

No-Opto 100V Isolated Monolithic Flyback Regulator Operates over a -55°C to 150°C Junction Temperature Range MILPITAS, CA – May 3, 2011 – Linear Technology Corporation announces a new high reliability (MP-grade) version of the LT3511, 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 since it needs no optocoupler, third winding or signal

Linear Technology | LTC3872H: No RSENSE 60V Boost Controller Operates over a -40 …

MILPITAS, CA – April 6, 2011 – Linear Technology Corporation announces the H-grade version of the LTC3872, a small footprint 550kHz fixed frequency step-up DC/DC controller that is specified over a -40°C to150°C junction temperature range. The LTC3872 accepts a 2.5V to 9.8V input voltage range and can produce an output voltage as high as 60V without needing a sense resistor. By using a sense resistor, the output voltage is

Linear Technology | LTC4441 6A N-Channel MOSFET Gate Driver Operates over a -55 …

MILPITAS, CA – April 4, 2011 – Linear Technology Corporation announces a new high reliability (MP-grade) version of the LTC4441, a 6A N-channel MOSFET gate driver that operates over a -55°C to125°C operating junction temperature range. This high power driver is designed to increase the output power and efficiency of a DC/DC controller, enabling it to drive high power N-channel MOSFETs or multiple MOSFETs in parallel. Its gate drive voltage

Linear Technology | LTC2145: Very Low Power 12-/14-Bit 25Msps-125Msps ADCs Opera …

MILPITAS, CA – March 29, 2011 – Linear Technology Corporation introduces a family of ultralow power 14-bit and 12-bit, 25Msps to 125Msps analog-to-digital converters (ADCs) that dissipate less than 1mW per mega sample per second from a 1.8V supply, making them the lowest power high speed ADCs on the market. The LTC2145 family includes two-channel simultaneous sampling, parallel output ADCs, offering a choice of full-rate CMOS, or double data

Linear Technology | LT3597: 60V Step-Down LED Driver Drives Three Independent LE …

MILPITAS, CA – March 21, 2011 – Linear Technology announces the LT3597, a 60V, 1MHz, step-down DC/DC converter designed to operate as a three channel, constant current LED driver. Each channel of the LT3597 contains a constant current sink LED driver with a dedicated adaptive-output buck converter. This design offers maximum efficiency for applications, such as RGB displays, which require different output voltages for each LED string. From a 48V

Linear Technology | LTC4227: Dual Ideal Diode & Hot Swap Controllers Save Power …

MILPITAS, CA – March 14, 2011 – Linear Technology Corporation introduces the LTC4227, a compact, dual ideal diode with Hot Swap™ controller that provides PowerPath™ and inrush current control for redundant supplies operating from 2.9V to 18V. The LTC4227 regulates the forward voltage drop across two external N-channel MOSFETs to ensure smooth current transfer between supplies in diode-OR applications. The ideal diodes replace two high power Schottky diodes and

Linear Technology | LTC3869/-2:Dual Output Synchronous Step-Down DC/DC Controlle …

MILPITAS, CA – March 9, 2011 – Linear Technology Corporation introduces the LTC3869/-2, a dual output high efficiency (up to 95%) synchronous step-down DC/DC controller with well balanced current sharing between channels when paralleled. This controller can maintain better than +/-4% current mismatch between channels during steady state and transient conditions when both outputs are paralleled due to its low 2mV sense voltage maximum mismatch. The device’s 4V to 38V

Linear Technology | LTC2632 and LTC2633: 12-/10-/8-Bit Dual SPI/ I2C DACs Integr …

MILPITAS, CA – March 15, 2011 – Linear Technology Corporation introduces the LTC2632 and LTC2633 families of dual 12-bit, 10-bit and 8-bit rail-to-rail, voltage output digital-to-analog converters (DACs), with serial SPI (LTC2632) and I2C (LTC2633) interfaces. The LTC2632 and LTC2633 dual DACs complete Linear’s family of tiny 12-bit, 10-bit, and 8-bit voltage output DACs with internal references. The LTC263x family of single, dual, quad and octal DACs offers a versatile

Linear Technology | LTC2157: Single/Dual, 14-Bit 250Msps ADC Family Provides Hig …

MILPITAS, CA – March 7, 2011 – Linear Technology Corporation introduces a family of dual and single high IF sampling 14-bit, 170Msps, 210Msps and 250Msps analog-to-digital converters (ADCs) that maintain good SFDR performance at input frequencies up to 900MHz. The LTC2152-14 and LTC2157-14 are single and dual channel simultaneous sampling ADCs, respectively, offering double data rate (DDR) LVDS digital outputs. These ADCs are specifically designed to meet the needs of

Linear Technology: Dual Output Synchronous Step-Down DC/DC Controller with Digit …

MILPITAS, CA – January 24, 2011 – Linear Technology Corporation announces the LTC3880/-1, a dual output high efficiency synchronous step-down DC/DC controller with I2C-based PMBus interface for digital power system management. The device combines best in class analog switching regulator performance with precision mixed signal data conversion for unsurpassed ease of power system design and management, supported by the LTpowerPlay software development system with easy-to-use graphical user interface (GUI). The

Linear Technology Hot Product: 18-Bit, 1.6Msps, Serial SAR ADC Achieves Industry …

MILPITAS, CA – January 10, 2011 – Linear Technology Corporation introduces the LTC2379-18, a serial 18-bit, 1.6Msps SAR analog to digital converter (ADC) that achieves an unrivaled 101dB SNR and -118dB THD while supporting a fully differential ±5V input range. This breakthrough performance establishes Linear’s position as a leader in high performance ADCs. The LTC2379-18 features a maximum INL of ±2LSB with no missing codes and guaranteed specifications over

Linear Technology: Differential Amplifier Drives DC-Coupled, Ground-Referenced 1 …

MILPITAS, CA – October 12, 2010 – Linear Technology introduces the LTC6409, a fully differential amplifier capable of driving DC to 100MHz signals with just 1.1nV/√Hz noise and -88dBc HD2/HD3 distortion. Built on an advanced SiGe BiCMOS process, the LTC6409 features 10GHz gain-bandwidth product, 100dB SFDR up to 40MHz, and 1% settling time of 1.9ns. It is ideal for driving the latest high speed ADCs such as the

Linear Technology: Synchronous Boost Controller with up to 98% Efficiency Elimin …

MILPITAS, CA – October 25, 2010 – Linear Technology Corporation announces the LTC3786, a synchronous step-up 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. In applications where the input voltage may exceed the regulated output voltage, the LTC3786 is able to keep the synchronous MOSFET on continuously so that the output

Linear Technology: Sub 1µA IQ Battery Charger Also Provides Pack Protection

MILPITAS, CA – October 21, 2010 – Linear Technology Corporation introduces the LTC4071, an easy-to-use, tiny shunt battery system for Li-Ion/Polymer batteries that integrates a charger and battery pack protection in one IC. The LTC4071, with its 550nA operating current, charges and protects batteries from previously unusable very low current, intermittent or continuous charging sources. The LTC4071 can charge at currents up to 50mA. A near zero current ( About Linear

Linear Technology: Precision Triple Supply Supervisor Provides Early Power-Fail …

MILPITAS, CA – October 11, 2010 – Linear Technology Corporation introduces the LTC2911 three-channel supply monitor with power-fail warning for low voltage systems down to 0.5V. In certain applications, monitoring the main input supply is just as important as monitoring the intermediate bus voltages in order to provide the host an early warning of supply failure and signal shutdown procedures. The LTC2911 offers a power-fail input and output

Linear Technology: RF-to-Digital µModule Receivers Reduce Size, Cost & Time-to- …

MILPITAS, CA – October 13, 2010 – Linear Technology introduces the LTM9004 and LTM9005, two breakthrough RF-to-digital µModule® receivers that integrate the key components for 3G and 4G base station receivers (WCDMA, TD-SCDMA, LTE, etc.) and smart antenna WiMAX base stations. The integrated µModule receivers offer a dramatic reduction in board space, integrating the RF mixer/demodulator, amplifiers, passive filtering and 14-bit, 125Msps ADCs in one conveniently small package. The LTM9004

Linear Technology: 400mA Synchronous Step-Up DC/DC Converter with Maximum Power …

MILPITAS, CA – October 18, 2010 – Linear Technology announces the LTC3105, a high performance, synchronous boost converter that incorporates maximum power point control (MPPC) and starts up with inputs as low as 250mV. The LTC3105 operates over an extremely wide input range of 0.2V to 5V, making it ideal for harvesting energy from high impedance alternative power sources, including photovoltaic cells, thermoelectric generators (TEGs) and fuel cells. The LTC3105’s

Linear Technology: -55ºC to 125ºC Buck-Boost DC/DC uModule Regulator, up to 36 …

MILPITAS, CA – September 21, 2010 – Linear Technology Corporation introduces the LTM4609MP, a buck-boost DC/DC uModule® system-in-a-package that is guaranteed and tested for the wide -55ºC to 125ºC temperature range. The LTM4609MP is designed to deliver precision regulation in demanding environments in applications such as military, avionics, heavy industrial machinery, and harsh environment sensors. These uModule devices are backed by Linear Technology’s rigorous reliability and quality test standards

Linear Technology: Simple & Small Delay Block Offers Accurate Timing for 1us to …

MILPITAS, CA –September 20, 2010 – Linear Technology announces the LTC6994, an accurate and simple delay block, based on Linear Technology’s silicon oscillator technology and the newest member of the TimerBlox™ family. The LTC6994 contains a delay circuit that is simply programmed using 1 to 3 resistors, providing a programmable range of 1us to 33.6 seconds. This delay period can also be controlled via a separate input voltage.

Linear Technology: 15A DC/DC uModule Regulator Delivers 50% More Power without S …

MILPITAS, CA – September 16, 2010 – Linear Technology Corporation introduces the LTM4627, a 15A DC/DC uModule® regulator with onboard inductors, MOSFETs and supporting components in a 2.6g, 15mm x 15mm LGA (land grid array) package. Circuit design enhancements lower gate capacitance MOSFETs and stronger MOSFET drivers enable the LTM4627 to operate at approximately 7% higher efficiency or to deliver up to 15A load current in the same board area

Linear Technology: 16-Bit, 1Msps, Low Power SAR ADC with Serial Interface

MILPITAS, CA – September 15, 2010 – Linear Technology Corporation introduces the LTC2383-16, an easy-to-use, low power 16-bit 1Msps serial SAR ADC with guaranteed specifications over the -40ºC to 125ºC temperature range. Consuming just 13mW from a single 2.5V supply, the LTC2383-16 achieves an impressive 92dB SNR and –106dB THD from a fully differential ±2.5V input range while maintaining a maximum ±2LSB INL and no missing codes. Available

Linear Technology: Tiny Low Frequency Clock Chip Supports Long Duration Timing f …

MILPITAS, CA – September 1, 2010 – Linear Technology announces the LTC6991, a simple, accurate low frequency clock specifically designed for long duration timing applications. The LTC6991 is the latest part in the TimerBlox™ family of versatile silicon timing devices, in which an accurate programmable oscillator is combined with precision circuitry and logic. An extremely wide programmable frequency range allows the clock to operate with a period from 1ms to

LT3580: 2.5MHz Boost/Inverter DC/DC Converter with 2A/42V Switch & Synchronizati …

MILPITAS, CA – October 4, 2007 – Linear Technology Corporation announces 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