Linear Technology

- Linear Technology Corporation designs, manufactures and markets a broad line of standard high performance integrated circuits. Applications for the Company's products include telecommunications, cellular telephones, networking products, notebook and desktop computers, video/multimedia, industrial instrumentation, automotive electronics, factory automation, process control, and military and space systems. The Company's principal product categories include amplifiers, battery management, data converters, high frequency, interface, voltage regulators and voltage references.

Linear Technology µModule Products Linear Technology's µModule product family includes the silicon IP and passive components for a complete power, signal chain, or isolated interface solution in compact, thermally-enhanced footprints. Click here for the full product listing and overview of the µModule family. 

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Digi-Key’s library of more than 2000 exclusive PTM Online… On Demand® product training modules is a collection of training tools created with you – the busy design engineer – in mind. They are provided with the cooperation of participating supplier partners. From this one source, you can learn about the latest products and technologies, download datasheets, check inventory, contact our technical staff, and place an order for same-day shipment.

These modules are available in audio and non-audio formats and listed by supplier in easy-to-find alphabetical order. Simply locate the module that interests you and click on your format of choice. We hope you find these tools useful, and with new modules added continuously, we invite you to stop back often to see what’s new.

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Module NamePreviewAudioNon-AudioDurationParts List
  • μModule® Family of EN55022 Class B Certified Regulators
2.3MB626KB5 minParts List
  • μModule: LTC3866 Current Mode Synchronous Step-Down Controller
1.9MB380KB5 minParts List
  • μModule: LTM2881 - Complete Isolated RS485/RS422 μModule Transceiver + Power
6.2MB634KB5 minParts List
  • μModule: LTM4624 Step-Down µModule
1.7MB697KB5 minParts List
  • μModule: LTM4627 Micro Module Regulator
2.0MB835KB5 minParts List
  • μModule: LTM4641 Overview
2.8MB944KB5 MinParts List
  • μModule: LTM9001, 16-bit high-speed IF/Baseband uModule Receiver Overview
3.8MB1.0MB5 minParts List
  • µModule: LTM2882 - Dual Isolated RS232 µodule Transceiver + Power
4.9MB918KB5 minParts List
  • µModule: LTM4611: Ultralow VIN, 15A DC/DC µModule® Regulator
2.2MB819KB5 minParts List
  • µModule: LTM4615 - Triple Output, Low Voltage DC/DC µModule Regulator
2.0MB763KB5 minParts List
  • µModule: LTM4618 Step-Down µModule® Regulator
1.9MB738KB5 minParts List
  • µModule: LTM4620 Step-Down µModule Regulator
1.8MB583KB5 minParts List
  • µModule: LTM8025 - 36VIN, 3A Step Down Regulator
1.6MB668KB5 minParts List
  • µModule: LTM8026 & LTM8052 Step-Down µModule Regulators
3.0MB690KB10 minParts List
  • µModule: LTM8027 - 60V, 4A DC/DC µModule Regulator
2.2MB747KB5 minParts List
  • µModule: LTM802x High Voltage μModule Switching Regulators
2.2MB691KB5 minParts List
  • µModule: LTM8047 and LTM8048 1.5W, 725 VDC Isolated Micromodule Converter
1.7MB424KB5 minParts List
  • µModule: LTM806x Step-Down Micro-Module Battery Charger
2.5MB869KB5 minParts List
  • µModule: Power Module vs Discrete DC to DC
2.2MB743KB5 minParts List
  • µModule: Wide Temperature DC/DC Converter µModules
2.0MB603KB5 minParts List
  • µModules: LTM2883 SPI, Digital, or I²C µModule Isolater
5.5MB410KB5 minParts List
  • Data: LTC2262 - Ultra Low Power High Speed ADCs
4.9MB1.3MB10 minParts List
  • Data: LTC2274 - High Speed Serial ADC
4.2MB900KB10 minParts List
  • Data: LTC2338 ±10 V SAR ADC Family
3.3MB1.2MB5 minParts List
  • Data: LTC2369- 18-/16-bit Pseudo-Differential SAR ADC Family Overview
4.4MB807KB10 minParts List
  • Data: LTC2379- 18-/16-bit Fully-Differential SAR ADC Family Overview
3.0MB350KB5 minParts List
  • Data: LTC2389-18/16-bit Pin Configurable SAR ADCs
2.8MB669KB5 minParts List
  • Data: LTC2460 and LTC2450 Delta Sigma ADC Families
3.2MB1.1MB5 minParts List
  • Data: LTC263x 12, 10, and 8-Bit VOUT DAC Family
2.9MB803KB5 minParts List
  • Data: LTC265x 16-/12-Bit Quad and Octal Voltage Output DACs
1.8MB507KB5 minParts List
  • Data: LTC275x 18-Bit DAC
5.2MB969KB5 minParts List
  • Data: Open Loop DAC
7.1MB1.8MB20 minParts List
  • Energy Harvesting: LT3652 Multi-Chemistry Battery Charger for Solar Power
3.4MB1MB10 minParts List
  • Energy Harvesting: LTC4070 - Li-Ion/Polymer Shunt Battery Charger System
2.8MB729KB5 minParts List
  • Energy Harvesting: The LTC3108 - The Missing Link for Energy Harvesting
3.3MB1.0MB10 minParts List
  • Interface: I²C Bus Buffer Family
4.0MB596KB5 minParts List
  • Interface: LTC2870 and LTC2871 Multi-Protocol Transceivers
3.8MB830KB5 minParts List
  • Interface: LTC4310 - Hot-Swappable I²C Isolators
4.0MB774KB5 minParts List
  • Interface: LTC6362 Low Power Differential Amplifier Overview
3.8MB671KB10 minParts List
  • Lighting: LT3518 - LED Driver with 2.3A Switch Current
2.7MB840KB5 minParts List
  • Lighting: LT3592 - 500mA Wide Input Voltage Range Step-Down LED Driver with 10:1 Dimming
2.8MB858KB5 minParts List
  • Lighting: LT3743 Synchronous Step-Down LED Driver
2.4MB638KB5 minParts List
  • Lighting: LT3756/LT3756-1/LT3756-2 - 100VIN, 100VOUT LED Controller
4.1MB1.2MB5 minParts List
  • Lighting: LT3799 Offline Isolated Flyback LED Controller
2.5MB721KB5 minParts List
  • LT3999 Push-pull Transformer Driver
1.9MB757KB5 minParts List
  • LT6656 - 1µA Precision Series Voltage Reference
2.5MB345KB5 minParts List
  • LT8709 Negative Input Synchronous Multi-Topology DC-DC Controller
2.3MB678KB5 minParts List
  • LTC2668 Voltage Output SoftSpan DAC
2.8MB957KB5 minParts List
  • LTC2983 High Accuracy Digital Temperature Measurement System
3.8MB1.2MB5 minParts List
  • LTC3110 Bidirectional Buck-Boost DC/DC Regulator
2.6MB994KB5 minParts List
  • LTC3128 Monolithic Buck-Boost Supercapacitor Charger and Balancer
2.9MB1.2MB5 minParts List
  • LTC3245 Buck-Boost Charge Pump
2.8MB795KB5 minParts List
  • LTC3255 Wide Vin Range, Fault Protected 50mA Buck Charge Pump
2.4MB824KB5 minParts List
  • LTC3350 Supercapacitor Charger, Backup Controller, and SCap Health Monitor
1.7MB768KB5 minParts List
  • LTC3769 60V Low IQ Synchronous Boost Controller
2.2MB711KB5 minParts List
  • LTC3807 Step-Down Controller
2.4MB732KB5 minParts List
  • LTC3870 Multiphase Step-Down Slave Controller
2.2MB846KB5 minParts List
  • LTC3874 Dual Multiphase Step Down Synchronous Slave Controller
2.4MB782KB5 minParts List
  • LTC3875 Dual 2-Phase Synchronous Controller
2.4MB903KB5 minParts List
  • LTC3882 Dual Output Step-Down DC/DC Controller
2.6MB806KB5 minParts List
  • LTC3899 60V Low IQ, Triple Output, Buck-Boost Synchronous Controller
2.9MB771KB10 minParts List
  • LTC4020 55V Buck-Boost Multi-Chemistry Charger Pump
1.8MB826KB5 minParts List
  • LTC4233 and LTC4234, 10 A and 20 A, Guaranteed SOA Hot Swap Controllers
2.5MB793KB5 minParts List
  • LTC6655 - 0.25ppm Noise, Low Drift Precision Buffered Voltage Reference
2.4MB598KB5 minParts List
  • LTC7860 High Efficiency Switching Surge Stopper
2.6MB749KB5 minParts List
  • LTM2884 Isolated USB Transceiver with Isolated Power
2.5MB627KB5 minParts List
  • Power: Buck-Boost µModule Regulators
2.0MB335KB10 minParts List
  • Power: Current Sharing Basics with LTC4370
3.3MB356KB10 minParts List
  • Power: High Voltage µModule DC/DC Regulators
2.7MB768KB5 minParts List
  • Power: Low Dropout Linear Regulator Frequently Asked Questions
--137KB5 minParts List
  • Power: LT1965 - 1.1A, Low Noise, Low Dropout Linear Regulator
3.1MB1.4MB5 minParts List
  • Power: LT2940 - Power and Current Monitor
3.2MB967KB5 minParts List
  • Power: LT3008- 3µA, IQ, 20mA, 45V Adjustable Low Dropout Linear Regulator
2.6MB852KB5 minParts List
  • Power: LT3009 - 3µA IQ, 20mA Low Dropout Linear Regulator
2.3MB756KB5 minParts List
  • Power: LT3011 - 50mA, 3V to 80V Low Dropout Micropower Linear Regulator with PWRGD
2.5MB641KB5 minParts List
  • Power: LT3015 1.5 A Low Noise Negative LDO
2.5MB468KB5 minParts List
  • Power: LT3022 - 1A, 0.9V to 10V, Very Low Dropout Linear Regulator
3.1MB888KB5 minParts List
  • Power: LT3029 - 500mA, Dual Output, 1.2 ~ 19.5V, Linear Regulator
2.1MB597KB5 minParts List
  • Power: LT3030 Dual Low Noise LDO
2.4MB926KB5 minParts List
  • Power: LT3032 - 150mA Dual Positive/Negative Low Noise LDO
1.3MB526KB5 minParts List
  • Power: LT3050 - 100mA, Low Noise Linear Regulator With Precision Current Limit And Diagnostic Functions
2.5MB940KB5 minParts List
  • Power: LT3070 - 5A, Low Noise, Programmable Output, 85mV Dropout Linear Regulator
2.9MB894KB5 minParts List
  • Power: LT3071 - LDO Regulator for High Performance Digital ICs
3.3MB1.1MB10 minParts List
  • Power: LT3080 - Adjustable 1.1A Single Resistor Low Dropout Regulator
2.2MB774KB5 minParts List
  • Power: LT3081 - 1.5 A Single Resistor Rugged Linear Regulator with Monitors
3.2MB974KB5 minParts List
  • Power: LT3082 - 200mA Single Resistor Low Dropout Linear Regulator
1.1MB458KB5 minParts List
  • Power: LT3085 - Adjustable 500mA Single Resistor Low Dropout Regulator
2.3MB510KB5 minParts List
  • Power: LT3092 - 200mA Two-Terminal Programmable Current Source
2.1MB451KB5 minParts List
  • Power: LT3571 - 75V DC/DC Converter for APD Bias
3.3MB599KB10 minParts List
  • Power: LT3573 - Isolated Flyback Converter Without an Opto-Coupler
1.6MB257KB5 minParts List
  • Power: LT3748 100V Flyback Controller
1.9MB464KB5 minParts List
  • Power: LT3757 and LT3758 - Boost, Flyback, SEPIC and Inverting Controllers
2.2MB446KB5 minParts List
  • Power: LT3759 Wide Input Range DC to DC Controller
1.6MB716MB5 minParts List
  • Power: LT3798 Isolated No Opto-Coupler Flyback Controller with Active PFC
2.6MB876KB5 minParts List
  • Power: LT3956 DC to DC Converter
2.3MB519KB5 minParts List
  • Power: LT3959 Wide Input Voltage Range Boost, SEPIC and Inverting Converter
2.2MB553KB10 minParts List
  • Power: LT4180 - Virtual Remote Sense Controller
2.6MB634KB5 minParts List
  • Power: LT4320 Ideal Diode Bridge Controller
2.5MB871KB5 minParts List
  • Power: LT4321 Power over Ethernet Ideal Diode Bridge
2.7MB834KB5 minParts List
  • Power: LT4356 Surge Stopper
3.5MB570KB10 minParts List
  • Power: LT8300 Micropower Isolated Flyback Converter
1.9MB317KB5 minParts List
  • Power: LT8705 Buck-Boost Controller Overview
2.5MB710KB5 minParts List
  • Power: LTC2950 - Push Button On/Off Controller
3.7MB1.0MB10 minParts List
  • Power: LTC2974 Quad Digital Power Supply Manager
6.1MB1.3MB10 minParts List
  • Power: LTC2978 -Octal PMBus Power Supply Monitor and Controller Overview
6.1MB960KB15 minParts List
  • Power: LTC2990 I²C Temperature, Voltage and Current Monitor
2.1MB570KB5 minParts List
  • Power: LTC3225 and LTC3225-1 150mA SuperCapacitor Chargers
2.4MB587KB5 minParts List
  • Power: LTC3226 Supercapacitor Charger
Play2.9MB728KB5 minParts List
  • Power: LTC3375 Programmable, 1 A Buck, DC/DC Converter Overview
2.4MB554KB5 minParts List
  • Power: LTC3589 Power Management IC
2.0MB594KB5 minParts List
  • Power: LTC3625 and LTC3625-1 Supercapacitor Chargers
4.6MB1.0MB5 MinParts List
  • Power: LTC3675 Power Management IC
2.9MB632KB5 minParts List
  • Power: LTC3676 and LTC3676-1 PMICs for Application Processors
3.4MB1.2MB5 minParts List
  • Power: LTC3784 60 V Multiphase Synchronous Boost Controller
2.1MB701KB5 minParts List
  • Power: LTC3850 Dual Output DC/DC Switching Regulator Controller
2.1MB789KB5 minParts List
  • Power: LTC3851 Single Output DC/DC Switching Regulator Controller
1.9MB571KB5 minParts List
  • Power: LTC3853 - Triple Output, Multiphase Synchronous Step-Down Controller
1.7MB380KB5 minParts List
  • Power: LTC3863 Overview
3.1MB950KB5 minParts List
  • Power: LTC3867 Synchronous Step-Down DC/DC Controller
2.4MB862KB10 minParts List
  • Power: LTC3876 Dual DC/DC Controller
2.1MB647KB5 minParts List
  • Power: LTC3890 - 60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller
3.2MB650KB5 minParts List
  • Power: LTC4000 60V Battery Charging Controller and Power Management
3.3MB990KB5 minParts List
  • Power: LTC4071 Shunt-Architecture Battery Charger
Play2.8MB822KB5 minParts List
  • Power: LTC4360 LTC4361 LTC4362 Overview
3.6MB561KB5 minParts List
  • Power: LTC4425 - Linear SuperCap Charger with Current-Limited Ideal Diode and V/I Monitor
2.9MB944KB5 minParts List
  • Power: LTPoE++Controller Family Overview
4.0MB802KB10 minParts List
  • Power: Power over Ethernet Overview
7.4MB1.3MB10 minParts List
  • TimerBlox - Simple VCO, PWM, One Shot, Delay, POR, and Low Frequency Clock Timing Devices
5.2MB1.3MB5 minParts List
  • Voltage Reference Basics
3.9MB750KB5 minParts List

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LTM4622 Step-Down µModule RegulatorLTM4622 Step-Down µModule Regulator - Linear Technology’s LTM4622 is a complete dual 2.5 A step-down switching mode μModule (micromodule) regulator in a tiny ultrathin 6.25 mm × 6.25 mm × 1.82 mm LGA package. Included in the package are the switching controller, power FETs, inductor, and support components. Operating over an input voltage range of 3.6 V to 20 V, the LTM4622 supports an output voltage range of 0.6 V to 5.5 V, set by a single external resistor. Its high efficiency design delivers dual 2.5 A continuous, 3 A peak, output current.  More...

LT8614 Synchronous Step-Down Silent Switcher™LT8614 Synchronous Step-Down Silent Switcher™ - Linear Technology’s unique Silent Switcher architecture reduces EMI/EMC emissions by more than 20 dB, well below the CISPR 25 Class 5 limit. Even with switching frequencies in excess of 2 MHz, synchronous rectification delivers efficiency as high as 96% while Burst Mode® operation keeps quiescent current under 2.5 μA in no-load standby conditions. Its 3.4 V to 42 V input voltage range makes it ideal for automotive and industrial applications.  More...

Design Tools

LTspice IV
Amplifier Simulation & Design
Filter Simulation & Design
Timing Simulation & Design
PScope & QuikEval Evaluation Systems
Dust Networks Starter Kits
Dust Networks Programmer

Application Notes

AN138 - Wireless Power User Guide

Tools and Software

Switcher CADLTSpice IV - LTspice IV is a high performance Spice III simulator, schematic capture and waveform viewer with enhancements and models for easing the simulation of switching regulators.  Our enhancements to Spice have made simulating switching regulators extremely fast compared to normal Spice simulators, allowing the user to view waveforms for most switching regulators in just a few minutes. Included in this download are Spice, Macro Models for 80% of Linear Technology's switching regulators, over 200 op amp models, as well as resistors, transistors and MOSFET models.

Selection Guides

 µModule Power Products   µModule Power Products
Resembling surface mount ICs, Linear Technology's µModule product family includes the silicon IP and passive components for a complete power, signal chain or isolated interface solution in compact, thermally-enhanced footprints. Built with the industry's highest quality standards and rigorously tested, the µModule family dramatically reduces the amount of time and effort needed to successfully design power, signal chain or interface solutions in highly reliable systems.
 Automotive Electronic Solutions   Automotive Electronic Solutions
This selection guide features high performance, high reliability solutions for a wide range of functions commonly used in today’s automobiles, including telematics, infotainment systems, body electronics, engine management, safety systems and GPS navigation systems.
 High Performance DC/DC Controllers   High Performance DC/DC Controllers
This brochure provides an overview of our high performance DC/DC switching regulator controllers for applications including datacom, telecom, industrial, automotive, medical, avionics, control systems and consumer products. Linear makes power design easier by providing industry-leading field application engineering support; a broad selection of demonstration boards with schematics, layout files and parts lists SwitcherCAD software for simulation; application notes and comprehensive technical documentation.
 Battery Charger Solutions   Battery Charger Solutions
This guide identifies optimum charging solutions for single-cell batteries, multi-cell batteries and battery packs, regardless of chemistry. Linear offers a broad range of charger solutions, including linear chargers, linear chargers with regulators, pulse chargers, switchmode monolithic chargers, switchmode controller chargers, and switchmode smart battery chargers.
 High Speed ADC Products   High Speed ADC Products
Our high speed ADCs offer the lowest power consumption and highest AC performance in the industry. They incorporate many unique features to ease system design and space constraints, including integrated bypass capacitance and integrated series resistance for 50ohm digital outputs. Each ADC family offers the ability to operate the digital output supply as low as 0.5V, helping to reduce digital feedback and allowing direct connection to low voltage digital interfaces.
 Industrial Signal Chain   Industrial Signal Chain
This product selection guide highlights analog-to-digital converters, digital-to-analog converters, amplifiers, comparators, filters, voltage references, RMS-to-DC converters and silicon oscillators designed for demanding industrial applications. These precise, flexible and rugged devices feature parameters fully guaranteed over the –40°C to 85°C temperature range.
 Power Management for Portable Products   Power Management for Portable Products
Today’s handheld products require extremely small and low profile power management solutions. Maximum efficiency is essential and sensitive wireless receivers in close proximity to switching regulators pose potential interference issues. Linear Technology’s high performance analog ICs provide efficient system solutions for battery charging and management, USB support, system power regulation, display drivers, white LED drivers, SIM and Smart Card interface, photoflash power, and RF PA power supply and control.
 Power Management for LEDs   Power Management for LEDs
A light-emitting diode (LED) is a semiconductor device that emits incoherent narrow-spectrum light when electrically forward biased, resulting in a form of electroluminescence. The color of the emitted light depends on the chemical composition of the semiconductor material used, and can be near-ultraviolet, visible or infrared. LEDs are more prevalent today than ever before, replacing traditional incandescent bulbs and fluorescent lights in many applications.
 Product Selection Guide   Product Selection Guide
This product selection guide features amplifiers, data converters, linear regulators, switching regulators, module DC/DC converters, battery chargers, LED drivers, hot swap/PoE, interface, filters, RF/wireless, timing functions, comparators, supervisory circuits, and references.
 Telecom, Datacom and Industrial DC/DC Conversion   Telecom, Datacom and Industrial DC/DC Conversion
Today’s high density power systems require very high efficiency, excellent power density and ease of implementation. Linear Technology offers a family of high performance DC/DC controllers specifically tailored for isolated power conversion for input voltages ranging from 4V to 75V for telecom, datacom and industrial applications. We feature primary and secondary-side control ICs, which provide synchronous rectification, fast transient response, overvoltage and overcurrent protection, and a host of other features.
 Wireless & RF Solutions   Wireless & RF Solutions
This brochure presents high performance RF solutions for use in various transceiver architectures employed in 2G, 2.5G and 3G cellular basestations, wireless point-to-point radios, WiMAX, broadband wireless access, satellite receivers, GPS receivers, cable and VOD infrastructure equipment, RFID readers, wireless handheld transceivers and software defined radios.
More about Linear Technology

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 in communications, networking, industrial, automotive, computer, medical, instrumentation, consumer, and military and aerospace systems. Linear Technology produces power management, data conversion, signal conditioning, RF and interface ICs, µModule subsystems, and wireless sensor network products.

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Events Calendar
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News Articles
Linear Technology's µModule Products
Resembling surface mount ICs, Linear Technology's µModule product family includes the silicon IP and passive components for a complete power, signal chain or isolated interface solution in compact, thermally-enhanced footprints. Built with the industry's highest quality standards and rigorously tested, the µModule family dramatically reduces the amount of time and effort needed to successfully design power, signal chain or interface solutions in highly reliable systems.
Alliance Programs
Power Management Solutions Guide
Power Management Solutions Guide - Linear Technology’s product guide of power management solutions for Altera’s FPGAs, CPLDs and structured ASICs available at Digi-Key.
Power Management Solutions Guide
Power Management Solutions Guide - Linear Technology's product guide of power management solutions for Lattice's Programmable Logic Devices available at Digi-Key.
Power Management Solutions Guide
Power Management Solutions Guide - Linear Technology's product guide of power management solutions for Xilinx's Programmable Logic Devices available at Digi-Key.
Linear Technology
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