Linear Technology Video Collection
Quad 3A, Ultrathin uModule Regulator Fits on the Backside of PCB
Feb 17th 2017
The LTM4643 is a quad output step-down µModule® (power module) regulator, configurable as a single output (12A), dual (6A & 6A or 9A & 3A), or quad (3A each) regulator in a 9mm x 15mm x 1.82mm ultrathin LGA package. This flexibility enables system designers to rely on one simple and compact µModule ...
Anyside™ Isolated Switch Controller with I²C Command and Telemetry
Feb 9th 2017
Hot swap integrated circuits are used to limit inrush current in either low-side or high-side DC applications. The application operating voltage is generally limited by the integrated circuits operating voltage, typically less than 100 volts. The LTM9100 allows the control of inrush current in both low-side and high-side applications ...
35GHz RMS Detector Breaks Through Dynamic Range Barrier
Jan 16th 2017
The LTC5596 is a high frequency, wideband and high dynamic range RMS power detector that provides accurate, true power measurement of RF and microwave signals independent of modulation and waveforms. The LTC5596 responds in an easy to use log-linear 29mV/dB scale to signal levels from –37dBm to –2dBm, at accuracy ...
Dual Mixer Enables A Compact, Wideband MIMO Receiver for 5G LTE Service
Jan 13th 2017
This video describes the application of the LTC5566, a dual mixers integrated with programmable gain IF amplifiers that enable a 3.6GHz compact, wideband MIMO receiver for 5G LTE service. The receiver provides superbly robust performance that can handle stronger blockers, while supporting 100MHz bandwidth.
...
LTspice: Creating and Working with Symbols
Jan 12th 2017
In LTspice you can create a symbol automatically in two situations; either you have a subcircuit definition in ASCII fomat at hand or you want to create a hierarchy with your own schematics which are building blocks for larger designs. Hierarchical schematic drafting in particular offers powerful advantages by enabling larger ...
Dual Input Prioritizers with Built-In Battery Monitoring
Dec 8th 2016
Selecting the appropriate input supply to power a system with multiple input power sources is not a trivial task. This video discusses challenges associated with the supply selection process, also known as prioritization. The LTC4419 and its features are introduced to show case how the product solves key prioritization challenges ...
SmartMesh IP Wireless Reliability at Electronica 2016
Nov 23rd 2016
Tradeshow exhibit floors notoriouly have busy RF environments, with many exhibitors running their own WiFi access points and most attendees carrying BlueTooth enabled smart devices. At Electronica 2016 (Munich, Germany), Linear Technology customer, Versasense, ran a SmartMesh IP-enabled wireless sensor network without losing ...
Low EMI LED Driver with Synchronous Internal 2A Switches
Nov 17th 2016
The LT3922 40V, synchronous, Silent Switcher low EMI LED driver meets the demands of the next generation of LED systems.
These LED drivers require more features and higher performance than ever before. Higher efficiency prolongs battery life and reduces heat in space-constrained applications. Wide voltage ranges are needed ...
Rugged ESD Demonstration
Nov 7th 2016
The LTM2885 µModule isolator is subjected to repeated ESD strikes as high as 20kV. The line driving bus pins as well as the isolation barrier are all extremely rugged to high energy ESD pulses. This video also illustrates that the LTM2885 and its RS485 Transceiver continue to operate through the ESD events. Not only ...
Precision Dual Output, High Current, Low Noise, Low Drift Reference
Nov 1st 2016
Precision and mixed signal applications usually require a voltage reference and at times several regulators or LDOs to support the analog circuitry. Separate regulators isolate the analog supply, digital supply and the voltage reference. The voltage reference supports the reference inputs of DACs and ADCs, and other devices ...
40A μModule Regulator with, 88% Efficiency, 0% Derating at 85°C, and 40°C Rise
Oct 27th 2016
The LTM4636 is a 40A step-down µModule switching regulator with 3D packaging construction for quicker heat dissipation and cooler operation in a small package. By stacking its inductor on top of a 16mm x 16mm BGA package, the LTM4636 benefits from the exposed inductor as a heat sink permitting direct contact with airflow ...
Wideband I/Q Demodulation for Zero-IF High Dynamic Range Receivers
Oct 7th 2016
5G LTE is on the way. These systems will require more bandwidth, and use more complex modulation formats. The LTC5586 High Linearity IQ Demodulator finds applications in 5G DPD PAs as an observation receiver, and in microwave/mm-wave gigabit backhaul receivers. Many features are digitally programmable, including RF input selection, ...
LTC3871 Bidirectional PolyPhase® Synchronous Buck or Boost Controller - Video Product Brief
Oct 6th 2016
The LTC®3871 is a high performance bidirectional buck or boost switching regulator controller that operates in either buck or boost mode on demand. It regulates in buck mode from VHIGH-to-VLOW and boost mode from VLOW-to-VHIGH depending on a control signal, making it ideal for 48V/12V automotive dual battery systems. ...
100MHz Isolated SPI Analog to Digital Converter Solution
Sep 22nd 2016
Isolating high-resolution high-speed SAR ADCs with a SPI interface in data acquisition systems can be challenging. Competing digital isolators limit the maximum SCK frequencies to 40MHz or less and can be a bottleneck to achieving the maximum sampling rates in data acquisitions systems. The LTM2893 family enables your design ...
LTC2947 ±30A Power/Energy Monitor with Integrated RSENSE - Video Product Brief
Sep 8th 2016
The LTC2947 is a high-precision power and energy monitor with an internal sense resistor supporting up to ±30A. Three internal No Latency Δ∑™ ADCs ensure accurate measurement of voltage and current, while highbandwidth analog multiplication of voltage and current provides accurate power ...
Prioritized PowerPath Controllers; LTC4417/4419/4420 - Video Product Brief
Sep 1st 2016
PowerPath™ prioritizers are low operating current circuits that provide backup switchover power for keeping critical circuitry alive during brown out and power loss conditions based on a user-defined priority. Priority is defined by pin assignment, with V1 assigned the highest priority and V3 the lowest priority. ...
SmartMesh IP VManager - A Solution for Building a Wireless Sensor Network with Thousands of Nodes
Aug 31st 2016
A SmartMesh IP network consists of a highly scalable self-forming multi-hop mesh of nodes, known as motes, which collect and relay data, and a network manager that monitors and manages network performance and security, and exchanges data with a host application.
SmartMesh IP VManager is a software-based ...
30A Power and Energy Monitor with Integrated Sense Resistor
Aug 29th 2016
With more and more importance attributed to reduce energy consumption, power monitoring at various points of a system becomes mandatory. Precise power monitoring requires to measure the voltage drop over a current sense resistor as alternative concepts such as hall sensors or flux gate suffer from imperfections due to ...
LTC4282 Dual Path, High Current (100A) Hot Swap Controller with I2C Interface - Video Product Brief
Aug 25th 2016
The LTC4282 Hot SwapTM controller allows a board to be safely inserted and removed from a live backplane. Using one or more external N-channel pass transistors, board supply voltage and inrush current are ramped up at an adjustable rate. An I2C interface and onboard ADC allows for monitoring of board current, voltage, ...
Surge Stoppers: Overvoltage & Overcurrent Protection ICs - Video Product Brief
Aug 25th 2016
Historically, overvoltage and overcurrent protection (e.g., load dump protection) was achieved using bulky capacitors, TVS diodes and fuses, but this discrete solution consumes a lot of real estate, and does not offer continuous operation through transient events. Linear Technology's family of High Voltage Surge ...
LTC4233/LTC4234 10A/20A Hot Swap Controllers with Guaranteed Safe Operating Area (SOA) - Video Product Brief
Aug 25th 2016
The LTC®4233 and LTC4234 are integrated solutions for Hot Swap™ applications that allow a board to be safely inserted and removed from a live backplane. The parts integrate a Hot Swap controller, power MOSFET and current sense resistor in a single package for small form factor applications. The MOSFET ...
Low Voltage Power Supplies
Jun 9th 2016
In this video, Linear Technology Co-founder and CTO Bob Dobkin discusses low voltage power supplies less than half a volt. Most of today's power supplies have a reference of 0.6 volts, which means the output voltage must be greater than 0.6 volts. Several years ago, Linear Technology pioneered a new type of current source ...
Linear Technology Rings in NASDAQ to Commemorate 30th Anniversary
Jun 1st 2016
Linear Technology presided over the NASDAQ opening bell to commemorate Linear’s 30th anniversary as a public company on the NASDAQ and its 35th anniversary since its founding. Presiding over the bell ringing were Executive Chairman and Co-founder Bob Swanson; Chief Executive Officer Lothar Maier; and Don Zerio, Vice ...
LTC3895 150VIN, Synchronous Step-Down Controller with 40μA Iq - Video Product Brief
May 16th 2016
The LTC®3895 is a high performance step-down switching regulator DC/DC controller that drives an all N-channel synchronous power MOSFET stage that can operate from input voltages up to 140V (150V abs max). A constant frequency current mode architecture allows a phase-lockable frequency of up to 850kHz.
The ...
Buck-Boost DC/DC Converter with Intelligent PowerPath
May 16th 2016
The LTC3118 combines a low-loss PowerPath controller with a single inductor buck-boost converter, resulting in a compact platform for multiple input designs. The LTC3118’s unique switch architecture allows operation from higher or lower voltage on either input, to a regulated output voltage. The wide input/output voltage ...
Reliable Wireless Sensor Network Streamlines Manufacturing Operations
May 16th 2016
SmartMesh IP embedded wireless mesh networks deliver >99.999% data reliability and ultra-low power in rugged, industrial environments. In their Silicon Valley semiconductor wafer facility, Linear Technology uses a SmartMesh IP wireless sensor network to streamline manufacturing operations—monitoring gas cylinder levels ...
Low Iq Surge Stopper for High Reliability Current Sensitive Applications
Apr 26th 2016
Protecting sensitive electronic circuitry from voltage transients is an essential part of any system, be it automotive, industrial, avionic or battery-powered portable applications. Linear Technology offers a wide variety of solutions for these applications with the Surge Stopper family. LTC4380 is the exciting new member ...
60V, 4A Monolithic Buck Regulator w/ Rail-to-Rail Programmable Output and Integrated Current Monitoring
Apr 12th 2016
The LTC3649 step-down regulator combines key features of a high voltage buck regulator with a complete feature set that allows for ease of use in a variety of applications. The output voltage can be programmed with one resistor from ISET to GND, or it can be programmed directly with a voltage on the ISET pin. The ...
LTspice: Behavioral Voltage Sources
Apr 4th 2016
Nearly all circuits that you simulate need a voltage source of some kind. In LTspice, the humble voltage source rarely gets to demonstrate its true capabilities. This video will help you learn some of the undiscovered talents of the LTspice voltage source. In this video we’ll explore the power of the behavioural voltage ...
Voltage Reference: Performance Plus Features
Mar 28th 2016
Demand for higher performance in mixed-signal circuits requires ever-better voltage references. But the highest-performance references of yesterday aren’t suitable, as they are generally simple products with few additional features.
With the development of high-performance bandgap references, plus improvements in process ...
5W Full Bridge AutoResonant Transmitter IC Simplifies Wireless Power Design
Mar 28th 2016
Wireless Power enables applications where it is difficult or impossible to use a connector to deliver power. Examples include products that need to operate in harsh environments or need to be cleaned or sterilized as well as products that are simply too small for a connector. However, integrated solutions for the transmitter ...
LTC2876/LTC2877 ±60V Profibus-DP Transceivers - Video Product Brief
Mar 21st 2016
The LTC®2876 and LTC2877 are PROFIBUS RS485 transceivers designed to meet the test specifications for PROFIBUS-DP masters and PROFIBUS-DP slaves, fully compatible with IEC 61158-2, type 3: medium attachment unit (MAU). With operation up to 20Mbps, the LTC2876/ LTC2877 supports all PROFIBUS data rates up to 12Mbps.
The ...
LTC7851/-1 Quad Output, Step-Down Voltage Mode DC/DC Controller with Accurate Current Sharing - Video Product Brief
Mar 17th 2016
The LTC®7851/LTC7851-1 are quad output multiphase synchronous step-down switching regulator controllers that employ a constant frequency voltage mode architecture. They maintain excellent current balance between channels when paralleled with their internal current sharing loop. Lossless DCR or a low value ...
LTpowerCAD: Power Design Summary
Mar 11th 2016
The LTpowerCAD is a design tool program that simplifies power supply design. Unlike conventional simulation tools, the LTpowerCAD guides a user through a power supply design via a set of steps to ensure you meet your requirements. This video covers the Power Design Summary which provides a complete details that highlight your ...
LTpowerCAD: Loop Compensation & Load Transient
Mar 11th 2016
The LTpowerCAD is a design tool program that simplifies power supply design. Unlike conventional simulation tools, the LTpowerCAD guides a user through a power supply design via a set of steps to ensure you meet your requirements. This video covers the Loop Compensation & Load Transient step which helps you optimize your ...
LTpowerCAD: Loss Estimate & Break Down
Mar 11th 2016
The LTpowerCAD is a design tool program that simplifies power supply design. Unlike conventional simulation tools, the LTpowerCAD guides a user through a power supply design via a set of steps to ensure you meet your requirements. This video covers the Loss Estimate & Break Down step which provides efficiency and losses ...
LTpowerCAD: Power Stage Design
Mar 11th 2016
The LTpowerCAD is a design tool program that simplifies power supply design. Unlike conventional simulation tools, the LTpowerCAD guides a user through a power supply design via a set of steps to ensure you meet your requirements. This video covers the Power Stage Design step which offers a user friendly schematic interface ...
LTpowerPlay Software-Based Power Supply Configuration and Debug Tool
Mar 8th 2016
Linear Technology’s Power System Management (PSM) devices add digital PMBus/SMBus/I2C interface based control, telemetry and black-box fault recording to analog DC/DC power converters, providing high level integration, accuracy and increased reliability to your power system. The associated LTpowerPlay® GUI provides ...
LTC3892/-1 Dual, 60VIN Micropower Synchronous Buck Controller - Video Product Brief
Mar 3rd 2016
The LTC®3892/LTC3892-1/LTC3892-2 is a high performance dual step-down DC/DC switching regulator controller that drives all N-channel synchronous power MOSFET stages. Power loss and noise are minimized by operating the two controller output stages out-of-phase.
The gate drive voltage can be programmed from 5V to 10V ...
LTC2956 Wake-Up Timer with Pushbutton Control - Video Product Brief
Mar 1st 2016
The LTC®2956 is a micropower, wide input voltage range, configurable wake-up timer with pushbutton control. It periodically wakes up and turns on a connected system to perform tasks like monitoring temperature or capturing images. After completing the task, the LTC2956 turns the system off to conserve power.
The wake-up ...
LTC3877 2-Phase Synchronous Buck Controller with VID Programming & mΩ DCR Sensing - Video Product Brief
Mar 1st 2016
The LTC®3877 is a VID-programmable, constant frequency current mode step-down controller using an advanced and proprietary architecture. This new architecture enhances the signal-to-noise ratio of the current sense signal, allowing the use of very low DC resistance power inductors to maximize efficiency in high current ...
Time Synchronization in a SmartMesh IP Network for Precise Timestamping and Control
Feb 29th 2016
In this short video we show an LED light demo to demonstrate the time synchronization capability of a SmartMesh IP Network. The fundamental technology that holds a SmartMesh IP Network together is time synchronization. All radio communication in the network is scheduled, and every node in the network has a precise sense of ...
24-Bit 2Msps SAR ADC with Digital Filter Simplifies Your System
Feb 29th 2016
The LTC2380-24 is a versatile 24-bit SAR ADC that combines state-of-the-art performance at a sampling rate of 2Msps with flexibility and ease of use. In this video, we will describe two unique features of this device that will allow you to greatly simplify your system. A flexible integrated digital filter makes it easy to ...
Interfacing a 4-20mA Sensor to a SmartMesh IP Wireless Node
Feb 29th 2016
4-20mA is a commonly used and deployed sensor interface in many industrial plants. Converting from a wired sense network to Linear Technology’s SmartMesh IP embedded wireless sensor network is easy. ...
Simplify Your High Voltage DC/DC Converters to Save Battery Life
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 ...
LTspice: Importing and Exporting WAV & PWL Text Files
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 ...
LTC4282 - High Current Hot Swap with I2C Compatible Monitoring
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 ...
Quad Buck Regulators in an Impossibly Small Space
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 ...
60V 8-Switch Matrix LED Dimmer
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 ...
Simultaneously Digitize Eight High-Voltage Arbitrary Swing Signals
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 ...
Wide Common Mode Range Current Sensing
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 ...
Driving High Resolution SAR ADCs
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 ...
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 ...
High Voltage Step-Down Controller Optimizes Intermediate Bus Efficiency
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 ...
Measuring Temperature Accurately
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. ...
Multi-chemistry Battery Charger Provides Battery Health and Power System Monitoring
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 ...
Ultralow Noise and Ultrahigh PSRR
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 ...
LTC3305 Lead Acid Battery Balancer - Video Product Brief
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 ...
Lead Acid Battery Balancer
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 ...
60V LED Driver with Internal 4A Switch for Automotive Lighting
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 ...
LT8709 Negative Input Synchronous Multi-Topology DC/DC Controller - Video Product Brief
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 ...
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 ...
LTC7860 High Efficiency Switching Surge Stopper - Video Product Brief
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 ...
LTC3899 Triple Output, 60VIN/60VOUT Low Iq, Synchronous Buck/Buck/Boost Controller - Video Product Brief
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 ...
High Bandwidth, Very Low Input Bias Current Op Amp
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 ...
Electronica 2014 Interview with 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. ...
Four-Channel PMBus Power System Manager with Input Energy Monitoring for Comprehensive Power System Management
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, ...
Versatile Comparators Enable Fast Signal Detection, Level Translation and Clock Recovery
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 ...
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 ...
Rugged USB Isolation That Simply Works
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 ...
Simple, Compact & Efficient Isolated Power with Low IQ No-Opto Flyback ICs
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 ...
Reduce EMI with 42V, 5A Synchronous Step-Down Silent Switcher
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 ...
LTC3882 Dual, 38V PolyPhase Step-Down Voltage Mode Controller with Digital PSM - Video Product Brief
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 ...
LTC2983 TechClips - Universal Temperature Measurement System
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 ...
Low Power Precision Op Amp Allows Fast, Accurate Multiplexing
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 ...
High Efficiency Buck-Boost Battery Charger
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 ...
A Very Low Power, High Performance I/Q Modulator
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 ...
LTC3255 48VIN Fault-Protected 50mA Regulated Output Step-Down Charge Pump - Video Product Brief
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 ...
LT3999 36V, 1A 1MHz Push-Pull DC/DC Driver with Duty Cycle Control - Video Product Brief
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 ...
LTC3807 38V Micropower Synchronous Buck Controller with VOUT to 24V - Video Product Brief
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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