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Video Collection

Simplify Your High Voltage DC/DC Converters to Save Battery Life

Jesus Rosales - Applications Engineer Jan 21st 2016
Linear Technology’s LT8330 and LT8331, two Low Quiescent current Boost/SEPIC/Inverting Converters, are specifically designed for Automotive, Industrial, Telecom and Portable applications. The LT8330 has a 1A, 60V power switch and an input range of 3-40V, while the LT8331 has a 500mA, 140V power switch and an input range ...

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LTspice: Importing and Exporting WAV & PWL Text Files

Simon Bramble - Field Applications Engineer Jan 20th 2016
Sometimes you may want to apply a voltage source to your circuit whose characteristics have been derived from an external source whether it is a WAV file or a just a list of time and voltage instances. LTspice allows you to do this and this video will highlight how to import and export WAV audio files as well as how to read ...

Blog Post Video LTspiceIV 

 

High Power Hot Swap with Power Sharing and Digital Telemetry

Josh Simonson - Design Engineer Dec 4th 2015
Hot Swap circuits are increasingly being used at power levels above 1000W. At these power levels multiple switch MOSFETs are required, but adding MOSFETs does not improve the power dissipation capability of the circuit when the current is regulated because the MOSFETs don’t inherently share current. The LTC4282 addresses ...

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Quad Buck Regulators in an Impossibly Small Space

Michael Nootbaar - Sr. Design Engineer Nov 11th 2015
Frequently, the power supply gets whatever board space is left over regardless of how impossibly small. Using Linear’s latest Quad Buck regulator, the LT8602, you can have four regulated outputs in an incredibly small space. The LT8602 has two high voltage buck regulators with an input voltage range of 3V to 42V. It ...

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60V 8-Switch Matrix LED Dimmer

Keith Szolusha - Applications Engineering Section Leader Nov 10th 2015
LEDs are being used in current luxury model automotive headlights. Future automotive headlight designs include more powerful LEDs, more LEDs, and highly animated and multifunctional LED strings. These “matrix” LED headlights have the ability to change brightness and patterns. They allow control of individual LEDs ...

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Simultaneously Digitize Eight High-Voltage Arbitrary Swing Signals

Micah O'Halloran - SAR ADC Design Section Lead Oct 21st 2015
Many common monitoring and control applications require multiple analog input signals to be simultaneously sampled and digitized, preserving time-domain correlation and frequency-domain phase relationships between the signals in the digital domain. The LTC2348-18 is designed specifically for these applications. The device ...

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Wide Common Mode Range Current Sensing

John Fiorenza - Design Engineer Oct 21st 2015
The LT6375 difference amplifier enables very accurate wide common mode current sensing applications. Its superior performance compared to alternative industry standard difference amplifiers translates into better accuracy in demanding current sensing measurement applications. The LT6375 is a flexible general purpose difference ...

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Driving High Resolution SAR ADCs

Tyler Hutchison - Signal Conditioning Design Engineer Sep 8th 2015
Driving high resolution SAR ADCs often requires tradeoffs between power consumption, linearity, and noise.  The LTC6363 provides 20 bit accuracy when the system designer pays close attention to the interface filter between the driver and the ADC.  Calculations and empirical data provide additional insight as to how ...

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Design Note Collection with Bob Dobkin, Vice President of Engineering & CTO

Sep 8th 2015
In this video, Linear Technology CTO & Co-founder, Bob Dobkin discusses Analog Circuit Design, Volume 3, Design Note Collection. Mr. Dobkin describes the Design Notes in the book as a collection that spans many years of circuit development. He comments, “We do applications. Circuits are built, tested and written ...

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High Voltage Step-Down Controller Optimizes Intermediate Bus Efficiency

Hellmuth Witte - Design Engineer Jul 27th 2015
The LTC3886 is a high voltage dual, PolyPhase DC/DC synchronous step-down switching regulator controller with PMBus compliant serial interface. It uses a constant frequency, current mode architecture with programmable loop compensation for excellent transient response and output regulation. Each PWM channel can produce output ...

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Measuring Temperature Accurately

Robert Dobkin - Chief Technical Officer Jul 8th 2015
  Measuring temperature requires accurate high resolution measurement along with digital processing to convert sensor outputs to a known temperature scale. The LTC2983, digital temperature measurement system reduces error to a minimum, giving conformance to 0.1° C. Temperature measurement is as good as the sensor. ...

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Multi-chemistry Battery Charger Provides Battery Health and Power System Monitoring

Trevor Barcelo - Product Line Manager - Battery Management Jul 6th 2015
  Batteries provide power to many different applications across a wide range of industries. While the sheer volume of consumer mobile devices tends to keep the spotlight on low voltage Li-ion powered applications, high performance and high reliability industrial, medical and military applications require a variety of ...

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Ultralow Noise and Ultrahigh PSRR

Amit Patel Jun 17th 2015
When it comes to powering noise-sensitive analog/RF applications, low dropout (LDO) linear regulators are generally preferred over their switching counterparts. Low noise LDOs power a wide range of analog/RF designs, including frequency synthesizers (PLLs/VCOs), RF mixers and modulators, high speed and high resolution data ...

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LTC3305 Lead Acid Battery Balancer - Video Product Brief

Tony Armstrong - Director of Product Marketing May 28th 2015
  The LTC®3305 balances up to 4 lead acid batteries connected in series. All voltage monitoring, gate drive, and fault detection circuitry is integrated. The LTC3305 is designed for  stand-alone operation and does not require any external control circuitry. The LTC3305 employs an auxiliary battery or ...

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60V LED Driver with Internal 4A Switch for Automotive Lighting

Keith Szolusha - Applications Engineering Section Leader Mar 31st 2015
LED lighting is an important feature in today’s and future automobile designs. LED lighting is efficient, robust, attractive, and artistic. LED lighting is used in many different ways in a vehicle, namely high and low beam headlights, daytime running lights, signal lighting, brake lights, dashboard displays, heads up ...

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Lead Acid Battery Balancer

Mark Vitunic - Design Manager Mar 31st 2015
Active balancing of series connected battery stacks exists for many common battery chemistries, but up until now not for lead acid. Skepticism abounds as to the need and benefit of active balancing for lead acid batteries but this skepticism is misplaced. As this video will show, series-connected lead acid batteries do require ...

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LT8709 Negative Input Synchronous Multi-Topology DC/DC Controller - Video Product Brief

Bruce Haug - Product Marketing Engineer Mar 25th 2015
  The LT®8709 is a synchronous PWM controller for negativeto- negative or negative-to-positive DC/DC conversion, with rail-to-rail output current monitor and control. The LT8709 is ideal for many local power supply designs. It can be easily configured in buck, boost, buck-boost, and inverting topologies with ...

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Interview with Linear Technology Co-Founder & CTO Bob Dobkin

Mar 25th 2015
This video interview with Linear Technology Co-Founder and Chief Technical Officer Bob Dobkin is part of the Computer History Museum’s oral history project and is posted on their website. The interview, covering the culture and technical focus of the company, was conducted in July 2014 by David Laws with the semiconductor ...

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LTC7860 High Efficiency Switching Surge Stopper - Video Product Brief

Bruce Haug - Product Marketing Engineer Mar 24th 2015
  The LTC®7860 high efficiency surge stopper protects loads from high voltage transients. High efficiency permits higher currents and smaller solution sizes. During an input overvoltage event, such as a load dump in vehicles, the LTC7860 controls the gate of an external MOSFET to act as a switching DC/DC regulator ...

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LTC3899 Triple Output, 60VIN/60VOUT Low Iq, Synchronous Buck/Buck/Boost Controller - Video Product Brief

Bruce Haug - Product Marketing Engineer Mar 24th 2015
  The LTC®3899 is a high performance triple output (buck/ buck/boost) DC/DC switching regulator controller that drives all N-channel synchronous power MOSFET stages. The constant frequency current mode architecture allows a phase-lockable frequency of up to 850kHz. The LTC3899 operates from a wide 4.5V to 60V ...

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High Bandwidth, Very Low Input Bias Current Op Amp

Roger Kidson - Product Evaluation Engineer Mar 11th 2015
The LTC6268 is a new op amp with a unique combination of bandwidth, input and output characteristics. It has a gain bandwidth of 500MHz with a typical input bias current of only 3 femptoamps. The input capacitance is 0.45pF and the output can drive a 200Ω load. This combination of features can bring new levels of performance ...

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Electronica 2014 Interview with Bob Swanson

Bob Swanson Feb 4th 2015
Linear Technology Corporation founder Bob Swanson discusses the strategy that helps the company achieve the right products, in the right markets and the right results. ...

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Four-Channel PMBus Power System Manager with Input Energy Monitoring for Comprehensive Power System Management

Wayne Porter - Design Engineer Jan 30th 2015
Systems with multiple power rails are becoming more efficient, but increasingly complex and difficult to design. In such systems, operating costs and complexity have shifted the power system design paradigm. To adapt, groups of power supplies need to be controlled and monitored to manage efficiency, to coordinate sequencing, ...

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Versatile Comparators Enable Fast Signal Detection, Level Translation and Clock Recovery

Asit Shankar - Senior Design Engineer Jan 27th 2015
In this video, a new high speed CMOS output comparator family, the LTC6752, is introduced. The comparators exhibit extremely high toggle rates of 280 MHz and very low propagation delays of only 2.9ns. An overview of important features and specifications is presented. A brief description of each of the five members of the family ...

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Linear Technology Product Highlights

Jan 13th 2015
Linear Technology Corporation, a member of the S&P 500, has been designing, manufacturing and marketing a broad line of high performance analog integrated circuits for major companies worldwide for three decades. The Company’s products provide an essential bridge between our analog world and the digital electronics ...

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Reduce EMI with 42V, 5A Synchronous Step-Down Silent Switcher

Daniel Cheng - Design Engineer Dec 12th 2014
The LT8640 is a 42V, 5A synchronous step-down regulator that features Silent Switcher architecture. Silent Switcher minimizes EMI emissions without metal shielding or slow switching edges. This results in good EMI performance with high efficiency at high switching frequencies. Peak efficiency for a 12VIN to 5VOUT application ...

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Rugged USB Isolation That Simply Works

Jeff Marvin - Design Center Manager Dec 12th 2014
The USB Port has become ubiquitous in computing and instrumentation equipment. However, it was not designed to operate in the harsh industrial or sensitive medical environments where USB is now being used. These environments demand galvanic isolation, high noise immunity and rugged transient and ESD protection. Linear Technology’s ...

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Simple, Compact & Efficient Isolated Power with Low IQ No-Opto Flyback ICs

Min Chen - Senior Design Engineer Dec 12th 2014
The flyback converter is typically the first choice for engineers looking for isolated power supplies below 50W. These isolated power supplies generally require opto-isolators or extra transformer windings to regulate the output voltage. As a result, these isolated power supply solutions are generally complicated, bulky and ...

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LTC3882 Dual, 38V PolyPhase Step-Down Voltage Mode Controller with Digital PSM - Video Product Brief

Bruce Haug - Product Marketing Engineer Dec 3rd 2014
  The LTC®3882 is a dual, PolyPhase DC/DC synchronous step-down switching regulator controller with PMBus compliant serial interface. It uses a constant frequency, leading-edge modulation, voltage mode architecture for excellent transient response and output regulation. Each PWM channel can produce output voltages ...

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LTC2983 TechClips - Universal Temperature Measurement System

Michael K. Mayes - Design Section Head - Mixed Signal Nov 19th 2014
RTD TechClip The LTC2983 is a highly accurate, simple to use, universal temperature measurement system. It directly interfaces to RTDs, applies the excitation current, simultaneously measures the RTD and sense resistor, and reports the results in degrees C or F. It does not require any external references, buffers, or level ...

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High Efficiency Buck-Boost Battery Charger

Charlie Zhao - Applications Eng Nov 19th 2014
Today’s battery chargers are expected to support a variety of battery chemistries and accept a range of input voltages. In many applications, the input voltage range can vary from below the output battery voltage to above the battery voltage, requiring both step-down and step-up capability. In this video, we will show ...

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A Very Low Power, High Performance I/Q Modulator

James Wong - Product Marketing Manager Nov 19th 2014
Modern digital transmitters take advantage of using high-order modulation to maximize data throughput rate while minimizing spectral bandwidth, thus allowing more efficient use of the frequency spectrum. I/Q modulators allow baseband signals to directly modulate onto the RF carrier. Such modulators typically suffer from excessive ...

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Low Power Precision Op Amp Allows Fast, Accurate Multiplexing

Kris Lokere - Strategic Applications Manager - Signal Nov 19th 2014
If you need to measure many analog voltages, but not necessarily all at the same time, then a common approach is to multiplex these signals together into one output signal, so that you can then process and digitize each of these original voltage levels one at a time using shared circuitry. But doing this right requires some ...

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LTC3255 48VIN Fault-Protected 50mA Regulated Output Step-Down Charge Pump - Video Product Brief

Steve Knoth - Senior Product Marketing Engineer Nov 18th 2014
  The LTC®3255 is a switched-capacitor step-down DC/DC converter that produces a regulated output (2.4V to 12.5V adjustable) from a 4V to 48V input. In applications where the input voltage exceeds twice the output voltage, 2:1 capacitive charge pumping extends output current capability beyond input supply current ...

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LT3999 36V, 1A 1MHz Push-Pull DC/DC Driver with Duty Cycle Control - Video Product Brief

Bruce Haug - Product Marketing Engineer Nov 18th 2014
  The LT®3999 is a monolithic, high voltage, high frequency DC/DC transformer driver providing isolated power in a small solution footprint. The LT3999 has two 1A current limited power switches that switch out of phase. The duty cycle is programmable to adjust the output voltage. The switching frequency is programmed ...

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LTC3807 38V Micropower Synchronous Buck Controller with VOUT to 24V - Video Product Brief

Bruce Haug - Product Marketing Engineer Nov 18th 2014
  The LTC®3807 is a high performance step-down switching regulator DC/DC controller that drives an all N-channel synchronous power MOSFET stage. A constant frequency current mode architecture allows a phase-lockable frequency of up to 750kHz. The 50μA no-load quiescent current extends operating run time in ...

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A Guide to Ordering Custom Programmed Digital Power System Management Devices

Bruce Haug - Product Marketing Engineer Oct 30th 2014
Digital power system management is being adopted in the marketplace because of its ability to provide accurate information about the power system and to autonomously control and supervise dozens of voltage rails with ease. Having digital control over analog power supplies with a simple PC connection is valuable during the ...

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More Power, Better Heat Dissipation, Smaller PCB Area

Yan Liang - Applications Engineer Oct 28th 2014
System engineers strive to increase performance with each successive product generation to maintain competitiveness. A major hurdle in that effort for densely populated boards such as ATCA, µTCA and mezzanine cards is finding PCB area to mount the additional ICs and components (memory, processors, data ports) necessary ...

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High Power Three-Channel LED Driver

Keith Szolusha - Applications Engineering Section Leader Oct 27th 2014
Large arrays of LEDs require high power and multi-string LED drivers. When many single channel, high power converters are used in an application, a better solution may be to reduce the cost and number of components by using a single converter with several drivers on the same IC. Eliminating or reducing duplication of features ...

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LTC3245 2.7V to 38VIN, 250mA Buck-Boost Charge Pump - Video Product Brief

Steve Knoth - Senior Product Marketing Engineer Oct 15th 2014
  The LTC3245 is a switched capacitor buck-boost DC/DC converter that produces a regulated output (3.3V, 5V or adjustable) from a 2.7V to 38V input. The device uses switched capacitor fractional conversion to maintain regulation over a wide range of input voltage. Internal circuitry automatically selects the conversion ...

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