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Solutions Search - Internal Power Switch Buck-Boost

DC2369A - DC2369A Low Power Wireless Current Sense

Aug 30th 2017
The DC2369A demo circuit is a reference design that implements a wireless current sense solution using Analog Device's low power integrated circuits. The only external connection needed is the current to be measured, allowing this circuit to be inserted at any voltage level or isolation level. The design combines components ...

Demo Board 

 

Wireless Current Sense Circuit Floats with Sense Resistor

Kris Lokere - Strategic Applications Manager Apr 25th 2017
Introduction Measuring the current that flows through a sense resistor seems easy. Amplify the voltage, read it with an ADC, and now you know what the current is. But it gets more difficult if the sense resistor itself sits at a voltage that is very different from system ground. Typical solutions bridge that voltage difference ...

Blog Post 

 

DC2129A - LTC3119 Demo Board | Sync Buck-Boost, 2.5V ≤ VIN ≤ 18V, VOUT = 5V @ Up to 5A

Feb 24th 2017
Demonstration circuit 2129A features the LTC®3119, an 18V, 5A synchronous buck/boost DC/DC converter. The DC2129A has been designed for an input voltage range of 2.5V to 18V with an output voltage (VOUT) set to 5V. For VIN > 5V the output current can be as high as 5A. The unique 4-switch, single inductor architecture ...

Demo Board 

 

LTC3119 3.3V,1.5MHz Wide Input Regulator

Jan 18th 2017
The LTC®3119 is a high efficiency 18V monolithic buck-boost converter that can deliver up to 5A of continuous output current. Extensive feature integration and very low resistance internal power switches minimize the total solution footprint for even the most demanding applications. A proprietary 4-switch PWM architecture ...

Circuit 

 

LTC3119 5V, 2MHz Wide Input Regulator

Jan 18th 2017
The LTC®3119 is a high efficiency 18V monolithic buck-boost converter that can deliver up to 5A of continuous output current. Extensive feature integration and very low resistance internal power switches minimize the total solution footprint for even the most demanding applications. A proprietary 4-switch PWM architecture ...

Circuit 

 

LTC3119 12V, 2MHz Wide Input Regulator

Jan 18th 2017
The LTC®3119 is a high efficiency 18V monolithic buck-boost converter that can deliver up to 5A of continuous output current. Extensive feature integration and very low resistance internal power switches minimize the total solution footprint for even the most demanding applications. A proprietary 4-switch PWM architecture ...

Circuit 

 

LTC3119 12V, 750kHz Regulator with Input Supply Rundown

Jan 18th 2017
The LTC®3119 is a high efficiency 18V monolithic buck-boost converter that can deliver up to 5A of continuous output current. Extensive feature integration and very low resistance internal power switches minimize the total solution footprint for even the most demanding applications. A proprietary 4-switch PWM architecture ...

Circuit 

 

LTC3119 Photovoltaic Panel Input Lead-Acid Charger with Temperature Correction (1MHz)

Jan 18th 2017
The LTC®3119 is a high efficiency 18V monolithic buck-boost converter that can deliver up to 5A of continuous output current. Extensive feature integration and very low resistance internal power switches minimize the total solution footprint for even the most demanding applications. A proprietary 4-switch PWM architecture ...

Circuit 

 

DC2344A - Gleanergy Multi-Source Energy Harvesting Demo Board with Battery Chargers and Life-Extenders for Use with DC2321A Dust Demo Board

Jan 4th 2017
Demonstration circuit 2344A development platform is a versatile Energy Harvesting Demo Board that is capable of accepting solar, thermal, and piezoelectric energy sources or any high impedance AC or DC source. The board contains four independent power circuits consisting of the following EH ICs: LTC3106:  “300mA, ...

Demo Board 

 

18V, 5A Monolithic Synchronous Buck-Boost DC/DC Converter Delivers 95% Efficiency

Nov 14th 2016
18V, 5A, 95% Efficient Monolithic Synchronous Buck-Boost MILPITAS, CA – November 14, 2016 – Linear Technology announces the LTC3119, a synchronous current mode monolithic buck-boost converter that delivers up to 5A of continuous output current in buck mode from a wide variety of input sources, including single- ...

Press Release 

 

DC2321A - Dust Energy Harvesting Demo Board with E-Ink Display, designed to connect to the DC2344A or DC2509A

Nov 3rd 2016
Demonstration circuit 2321A is a low power wireless sensor node development platform equipped with an E-ink display for user feedback. The system is capable of monitoring and managing its available energy, logging information from sensors and sharing this data over a wireless network. The board is designed to connect to the ...

Demo Board 

 

DC2509A - Gleanergy Multi-Source E H Demo Board with Battery Chargers and Life-Extenders for Use with DC2321A Dust Demo Board

Sep 27th 2016
The DC2509A development platform is a versatile energy harvesting demo board that is capable of accepting solar, thermal, and piezoelectric energy sources or any high impedance AC or DC source. The board contains four independent power circuits consisting of the following EH ICs: LTC®3106 – 300 mA, Low Voltage Buck-Boost ...

Demo Board 

 

DC2397A - LTC3130EUD-1 Demo Board | Sync Buck-Boost, 2.4V ≤ VIN ≤ 25V, Vout = 1.8V/3.3V/5V/12V @ 600mA

Sep 20th 2016
Demonstration circuit 2397A features the LTC®3130-1, a wide input voltage, wide output voltage operating range, high efficiency, low noise monolithic DC/DC buck-boost converter that provides 600mA of output current when in buck mode. The LTC3130-1 has 4-pin selectable output voltages (1.8V, 3.3V, 5V and 12V) and operates ...

Demo Board 

 

DC2355A - LTC3130EUD Demo Board | Sync Buck-Boost, 2.4V ≤ VIN ≤ 25V, Vout = 5V @ 600mA

Sep 20th 2016
Demonstration Circuit 2355A features the LTC®3130, a wide input voltage, wide output voltage operating range, high efficiency, low noise monolithic DC/DC buck-boost converter that can provide up to 600mA output current in buck mode. The LTC3130 operates from input voltages of 2.4V to 25V. The demo board has been designed ...

Demo Board 

 

LTC3112 5V Backup Supply from Supercap Runs Down to VIN = 2V with 250mA Load

Sep 9th 2016
The LTC®3112 is a fixed frequency synchronous buck-boost DC/DC converter with an extended input and output range. The unique 4-switch, single inductor architecture provides low noise and seamless operation from input voltages above, below or equal to the output voltage. ...

Circuit 

 

LTC3112 Regulated 12V Output from Wide Input Supply Range

Sep 9th 2016
The LTC®3112 is a fixed frequency synchronous buck-boost DC/DC converter with an extended input and output range. The unique 4-switch, single inductor architecture provides low noise and seamless operation from input voltages above, below or equal to the output voltage. ...

Circuit 

 

LTC3112 10W, 10V High Intensity LED Driver with Programmable Current and Low-Loss Sensing

Sep 9th 2016
The LTC®3112 is a fixed frequency synchronous buck-boost DC/DC converter with an extended input and output range. The unique 4-switch, single inductor architecture provides low noise and seamless operation from input voltages above, below or equal to the output voltage. ...

Circuit 

 

LTC3114-1 Constant Current High Brightness LED Driver

Sep 9th 2016
The LTC®3114-1 is a versatile, wide operating voltage range synchronous monolithic buck-boost DC/DC converter with programmable average output current. The LTC3114-1’s proprietary buck-boost PWM control circuitry delivers low noise operation across the entire operating voltage range. Current mode control ensures exceptional ...

Circuit 

 

25V, 600mA Synchronous Buck-Boost DC/DC Converters Consume Only 1.6μA of Quiescent Current

Aug 23rd 2016
MILPITAS, CA – August 23, 2016 – Linear Technology announces the LTC3130 and LTC3130-1 synchronous current mode buck-boost converters that deliver up to 600mA of continuous output current from a wide variety of input sources, including single- or multiple-cell batteries as well as solar panels and supercapacitors. ...

Press Release 

 

LTC3130 Battery-Powered 24V Converter with 200mA ILIM to Limit Battery Droop

Aug 15th 2016
The LTC3130/LTC3130-1 are high efficiency, low noise, 600mA buck-boost converters with wide VIN and VOUT ranges. For high efficiency operation at light loads, BurstMode operation can be selected, reducing the quiescent current to just 1.6µA. Converter start-up is achieved from sources as low as 7.5µW. ...

Circuit 

 

LTC3130 Outdoor Solar Panel Powered, 600mA Supercapacitor charger Using MPPC

Aug 15th 2016
The LTC3130/LTC3130-1 are high efficiency, low noise, 600mA buck-boost converters with wide VIN and VOUT ranges. For high efficiency operation at light loads, BurstMode operation can be selected, reducing the quiescent current to just 1.6µA. Converter start-up is achieved from sources as low as 7.5µW. ...

Circuit 

 

LTC3130 Wide VIN Range 15V Converter with Burst Mode Operation

Aug 15th 2016
The LTC3130/LTC3130-1 are high efficiency, low noise, 600mA buck-boost converters with wide VIN and VOUT ranges. For high efficiency operation at light loads, BurstMode operation can be selected, reducing the quiescent current to just 1.6µA. Converter start-up is achieved from sources as low as 7.5µW. ...

Circuit 

 

LTC3130 Low Noise, Wide Vin Range 5V Converter

Aug 15th 2016
The LTC3130/LTC3130-1 are high efficiency, low noise, 600mA buck-boost converters with wide VIN and VOUT ranges. For high efficiency operation at light loads, BurstMode operation can be selected, reducing the quiescent current to just 1.6µA. Converter start-up is achieved from sources as low as 7.5µW. ...

Circuit 

 

LTC3130 Multiple VIN 5V Out Application, Using the LTC4412 PowerPath Controller

Aug 15th 2016
The LTC3130/LTC3130-1 are high efficiency, low noise, 600mA buck-boost converters with wide VIN and VOUT ranges. For high efficiency operation at light loads, BurstMode operation can be selected, reducing the quiescent current to just 1.6µA. Converter start-up is achieved from sources as low as 7.5µW. ...

Circuit 

 

LTC3130 12V Converter Uses MPPC Function to Maintain a Minimum VIN from a Current Limited Source

Aug 15th 2016
The LTC3130/LTC3130-1 are high efficiency, low noise, 600mA buck-boost converters with wide VIN and VOUT ranges. For high efficiency operation at light loads, BurstMode operation can be selected, reducing the quiescent current to just 1.6µA. Converter start-up is achieved from sources as low as 7.5µW. ...

Circuit 

 

LTC3130 3.3V Converter with "Last Gasp" Hold-Up, Runs Storage Capacitor Down to 0.9V

Aug 15th 2016
The LTC3130/LTC3130-1 are high efficiency, low noise, 600mA buck-boost converters with wide VIN and VOUT ranges. For high efficiency operation at light loads, BurstMode operation can be selected, reducing the quiescent current to just 1.6µA. Converter start-up is achieved from sources as low as 7.5µW. ...

Circuit 

 

LTC3130 12V Converter with Burst Mode Operation and VIN UVLO

Aug 15th 2016
The LTC3130/LTC3130-1 are high efficiency, low noise, 600mA buck-boost converters with wide VIN and VOUT ranges. For high efficiency operation at light loads, BurstMode operation can be selected, reducing the quiescent current to just 1.6µA. Converter start-up is achieved from sources as low as 7.5µW. ...

Circuit 

 

LTC3130 Single-Cell 1.2V, 200mA Buck-Boost Converter

Aug 15th 2016
The LTC3130/LTC3130-1 are high efficiency, low noise, 600mA buck-boost converters with wide VIN and VOUT ranges. For high efficiency operation at light loads, BurstMode operation can be selected, reducing the quiescent current to just 1.6µA. Converter start-up is achieved from sources as low as 7.5µW. ...

Circuit 

 

LTC3130 Wide Vin Range, Low Noise 1.8V Converter Uses Charge Pump to Generate EXTVcc

Aug 15th 2016
The LTC3130/LTC3130-1 are high efficiency, low noise, 600mA buck-boost converters with wide VIN and VOUT ranges. For high efficiency operation at light loads, BurstMode operation can be selected, reducing the quiescent current to just 1.6µA. Converter start-up is achieved from sources as low as 7.5µW. ...

Circuit 

 

LTC3130 Wide Vin Range 5V Converter Uses Small Primary Battery to Guarantee Start-Up at Vin Less Than 1V with Near Zero Steady-State Battery current for Up to 10 Year Battery Life

Aug 15th 2016
LTC3130 Wide Vin Range 5V Converter Uses Small Primary Battery to Guarantee Start-Up at Vin Less Than 1V with Near Zero Steady-State Battery current for Up to 10 Year Battery Life The LTC3130/LTC3130-1 are high efficiency, low noise, 600mA buck-boost converters with wide VIN and VOUT ranges. For high efficiency operation at ...

Circuit 

 

DC1821B - LTC3114EDHC-1 Demo Board | Sync Buck-Boost, VIN=2.7V to 40V, VOUT = 5V @ Up to 1A

Jul 20th 2016
Demonstration circuit 1821B features the LTC3114-1, a wide operating range synchronous monolithic buck-boost converter with programmable average output current. DC1821B operates with a 2.7V to 40V input voltage range. The demo board has been designed with the output voltage set to 5V and can provide up to 1A output with ...

Demo Board LTspice 

 

Buck-Boost DC/DC Converter with Intelligent PowerPath

James Noon - Applications Engineering Section Leader 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 ...

Video 

 

DC2255A - LTC3106EUDC Demo Board | Buck-Boost, 0.35V ≤ VIN ≤ 5.1V; Vout = 1.8/2.2/3.3/5V @ 300mA

Feb 3rd 2016
Demonstration circuit DC2255A features the LTC®3106, an ultralow input voltage buck-boost DC/DC converter with automatic PowerPath™ management optimized for multisource, low power systems. The DC2255A has four user-selectable output voltages: 1.8V, 2.2V, 3.3V and 5V. Output current can be up to 300mA (for ...

Demo Board 

 

300mV Start-Up, 1.6μA IQ Synchronous Buck-Boost DC/DC Converter with Integrated PowerPath for Low Power Wireless Sensor Applications

Dec 14th 2015
MILPITAS, CA - December 14, 2015 - Linear Technology announces the LTC3106, a highly integrated, 1.6µA quiescent current 300mV start-up buck-boost DC/DC converter with PowerPath™ management, optimized for multisource, low power systems. The LTC3106 is ideal for powering low power wireless sensors from rechargeable or primary batteries ...

Press Release 

 

LTC3106 Solar Harvester with Primary Battery Backup

Dec 2nd 2015
The LTC®3106 is a highly integrated, ultralow voltage buckboost DC/DC converter with automatic PowerPath management optimized for multisource, low power systems. At no load, the LTC3106 draws only 1.6μA while creating an output voltage up to 5V from either input source. ...

Circuit 

 

LTC3106 TEG Harvester with Secondary Battery Backup

Dec 2nd 2015
The LTC®3106 is a highly integrated, ultralow voltage buckboost DC/DC converter with automatic PowerPath management optimized for multisource, low power systems. At no load, the LTC3106 draws only 1.6μA while creating an output voltage up to 5V from either input source. ...

Circuit 

 

LTC3106 Portable Medical Device with Ambient Light Harvester or USB Powered Charging

Dec 2nd 2015
The LTC®3106 is a highly integrated, ultralow voltage buckboost DC/DC converter with automatic PowerPath management optimized for multisource, low power systems. At no load, the LTC3106 draws only 1.6μA while creating an output voltage up to 5V from either input source. ...

Circuit 

 

LTC3106 Remote Outdoor Solar Powered Harvester with Thin Film Battery Backup

Dec 2nd 2015
The LTC®3106 is a highly integrated, ultralow voltage buckboost DC/DC converter with automatic PowerPath management optimized for multisource, low power systems. At no load, the LTC3106 draws only 1.6μA while creating an output voltage up to 5V from either input source. ...

Circuit 

 

LTC3106 Simple Wide Input Voltage Buck-Boost Converter

Dec 2nd 2015
The LTC®3106 is a highly integrated, ultralow voltage buckboost DC/DC converter with automatic PowerPath management optimized for multisource, low power systems. At no load, the LTC3106 draws only 1.6μA while creating an output voltage up to 5V from either input source. ...

Circuit 

 

Stratix V Advanced System Development Board

Oct 22nd 2015
The Stratix® V Advanced Systems Development Kit is a complete systems design environment that includes both the hardware and software needed to begin architecture development and system design using Stratix V FPGAs. The PCI Express® (PCIe®)-based form-factor board combined with a one-year license for the ...

Circuit 

 

50mA Synchronous Buck-Boost DC/DC Converter with Integrated Coulomb Counter Consumes Only 680nA of Quiescent Current

Sep 22nd 2015
MILPITAS, CA - September 22, 2015 - Linear Technology announces the LTC3335, a nanopower high efficiency synchronous buck-boost converter with an onboard precision coulomb counter. It delivers up to 50mA of continuous output current. With only 680nA of quiescent current and programmable peak input currents from 5mA up to 250mA, ...

Press Release 

 

DC2343A - LTC3335 Demo Board | 680nA Iq Buck-Boost with Coulomb Counter, 1.8V ≤ VIN ≤ 5.5V, Vout = 1.8V to 5V @ 15mA

Sep 8th 2015
Demonstration circuit DC2343A is a complete system level solution for a nanopower buck-boost DC/DC with integrated coulomb counter. The DC2343A contains a PIC16F1459 embedded processor for communication to the PC over USB and the LTC®3335 via its I2C port. The GUI is capable of reading and writing all the control registers ...

Demo Board QuikEval System 

 

LTC3335 Li-Ion Backup Power Supply

Aug 31st 2015
The LTC®3335 is a high efficiency, low quiescent current (680nA) buck-boost DC/DC converter with an integrated precision coulomb counter which monitors accumulated battery discharge in long life battery powered applications. The buck-boost can operate down to 1.8V on its input and provides eight pin-selectable output voltages ...

Circuit 

 

LTC3335 Lithium-Thionyl Chloride Primary Battery Powered Application

Aug 31st 2015
The LTC®3335 is a high efficiency, low quiescent current (680nA) buck-boost DC/DC converter with an integrated precision coulomb counter which monitors accumulated battery discharge in long life battery powered applications. The buck-boost can operate down to 1.8V on its input and provides eight pin-selectable output voltages ...

Circuit 

 

LTC3118 System Power (Priority) or 3-Cell Li-Ion to 5V VOUT Regulator with Automatic Burst Mode Operation

Mar 19th 2015
The LTC®3118 is a dual-input, wide voltage range synchronous buck-boost DC/DC converter with an intelligent, integrated, low-loss PowerPath control. The unique power switch architecture provides efficient operation from either input source to a programmable output voltage above, below or equal to the input. Voltage capability ...

Circuit 

 

LTC3118 Dual Battery System to 3.3V VOUT, Runs from Lead Acid (Priority) When Present Automatic Burst Mode Operation

Mar 19th 2015
The LTC®3118 is a dual-input, wide voltage range synchronous buck-boost DC/DC converter with an intelligent, integrated, low-loss PowerPath control. The unique power switch architecture provides efficient operation from either input source to a programmable output voltage above, below or equal to the input. Voltage capability ...

Circuit 

 

DC2045A - LTC3118EUFD Demo Board | Dual Input Buck-Boost, 2.5V ≤ VIN ≤ 18V, Vout = 5V @ up to 2A

Mar 16th 2015
Demonstration Circuit 2045A featuring the LTC3118 is a dual input fixed frequency synchronous buck-boost converter with an intelligent integrated low-loss Power-Path™. The unique all N-Channel architecture provides efficient operation from either input source to a programmable output voltage above, below or equal to the ...

Demo Board LTpowerCAD 

 

18V, 2A Synchronous Buck-Boost DC/DC with Dual Input PowerPath Control Enables Multi-Inputs & Extended Run Times

Mar 10th 2015
MILPITAS, CA - March 10, 2015 - Linear Technology announces the LTC3118, a dual input, wide voltage range synchronous buck-boost DC/DC converter with an intelligent, integrated low loss PowerPath™ control. Its unique power switch architecture provides high efficiency operation from either input source to a programmable output ...

Press Release 

 

LTC3118 12V VIN to 5V VOUT Converter with Capacitor Backup Runs from VIN1 (Priority) in Normal Mode, VIN2 During Backup Event

Feb 24th 2015
The LTC®3118 is a dual-input, wide voltage range synchronous buck-boost DC/DC converter with an intelligent, integrated, low-loss PowerPath control. The unique power switch architecture provides efficient operation from either input source to a programmable output voltage above, below or equal to the input. Voltage capability ...

Circuit 

 

LTC3441 Li-Ion to 5V at 600mA Boost Converter with Output Disconnect

Aug 12th 2014
The LTC3441 is a high efficiency, fixed frequency, buck-boost DC/DC converter that operates efficiently from input voltages above, below or equal to the output voltage. The topology incorporated in the IC provides a continuous transfer function through all operating modes, making the product ideal for single lithium ion or multi-cell ...

Circuit 

 

LTC3113 Pulsed Load or Portable RF Power Amplifier Application

Aug 6th 2014
The LTC3113 is a wide VIN range, highly efficient, fixed frequency, buck-boost DC/DC converter that operates from input voltages above, below or equal to the output voltage. The topology incorporated in the IC provides low noise operation, making it well suited for RF and precision measurement applications. The LTC3113 can ...

Circuit LTspice 

 

LTC3114-1 9V to 36V VIN to 12V VOUT Regulator

Jun 20th 2014
The LTC®3114-1 is a versatile, wide operating voltage range synchronous monolithic buck-boost DC/DC converter with programmable average output current. The LTC3114-1’s proprietary buck-boost PWM control circuitry delivers low noise operation across the entire operating voltage range. Current mode control ensures exceptional ...

Circuit 

 

LTC3114-1 6V to 40V VIN to 24V VOUT Regulator

Jun 20th 2014
The LTC®3114-1 is a versatile, wide operating voltage range synchronous monolithic buck-boost DC/DC converter with programmable average output current. The LTC3114-1’s proprietary buck-boost PWM control circuitry delivers low noise operation across the entire operating voltage range. Current mode control ensures exceptional ...

Circuit 

 

40VIN/OUT, 1A Synchronous Buck-Boost DC/DC Converter Offers 2.7V to 40V Input & Output Range

Apr 29th 2014
MILPITAS, CA - April 29, 2014 - The LTC3114-1 is a synchronous, current-mode buck-boost converter that delivers up to 1A of continuous output current from a wide range of power sources, including single-cell Li-Ion, 24V/28V industrial rails and 40V automotive inputs.  The LTC3114-1’s 2.2V to 40V input and 2.7V to 40V ...

Press Release 

 

DC1999A - LTC3111 Demo Board | Buck-Boost Converter, 2.5V ≤ VIN ≤ 15V, Vout = 5V @ 1.5A

Feb 27th 2014
Demonstration circuit 1999A is a fixed frequency synchronous buck-boost converter with an extended input and output range. The unique 4-switch, single inductor architecture provides low noise and seamless operation from input voltages above, below, or equal to the output voltage. ...

Demo Board LTspice 

 

Techniques to Maximize Solar Panel Power Output

Trevor Barcelo - Product Line Manager - Battery Management Feb 3rd 2014
Two recent articles, "Energy Harvesting With Low Power Solar Panels" and  "Solar Battery Charger Maintains High Efficiency at Low Light", discuss how to efficiently harvest energy with low power solar panels. Both of these articles mention a concept known as maximum power, which in the context of solar panels is the ability ...

Blog Post 

 

15V Input & Output, 1.5A Monolithic Synchronous Buck-Boost DC/DC Converter Features 95% Efficiency & Low Noise Operation

Jan 22nd 2014
MILPITAS, CA - January 22, 2014 - Linear Technology announces the LTC3111, a synchronous buck-boost converter that delivers up to 1.5A of output current from a wide range of power sources, including single or multiple cell batteries, supercapacitor stacks and wall adapters. The device’s 2.5V to 15V input and output voltage ...

Press Release 

 

LTC3111 3.3V Backup from a High Voltage Capacitor Bank Runs Down to VIN = 2V with 500mA Load

Dec 9th 2013
The LTC3111 is a fixed frequency, synchronous buckboost DC/DC converter with an extended input and output range. The unique 4-switch, single inductor architecture provides low noise and seamless operation from input voltages above, below or equal to the output voltage. With an input and output range of 2.5V to 15V, the LTC3111 ...

Circuit 

 

LTC3111 Regulated 12V Output from Wide Range Input Supply

Dec 9th 2013
The LTC®3111 is a fixed frequency, synchronous buckboost DC/DC converter with an extended input and output range. The unique 4-switch, single inductor architecture provides low noise and seamless operation from input voltages above, below or equal to the output voltage. ...

Circuit 

 

LTC3111 1, 2, 3 Li-Ion to 5V

Dec 9th 2013
The LTC®3111 is a fixed frequency, synchronous buckboost DC/DC converter with an extended input and output range. The unique 4-switch, single inductor architecture provides low noise and seamless operation from input voltages above, below or equal to the output voltage. ...

Circuit 

 

LTC3111 5V, 800kHz Wide Input Voltage Buck-Boost Regulator

Dec 9th 2013
The LTC®3111 is a fixed frequency, synchronous buck-boost DC/DC converter with an extended input and output range. The unique 4-switch, single inductor architecture provides low noise and seamless operation from input voltages above, below or equal to the output voltage. ...

Circuit LTspice 

 

LTC3111 Synchronized to a 1.5MHz Clock, 5V/1A Output

Dec 9th 2013
The LTC®3111 is a fixed frequency, synchronous buckboost DC/DC converter with an extended input and output range. The unique 4-switch, single inductor architecture provides low noise and seamless operation from input voltages above, below or equal to the output voltage. ...

Circuit 

 

DC2119A - LTC3115EDHD-2 Demo Board | 2.7V to 40VIN, 5VOUT @ 2A

Oct 18th 2013
Demonstration circuit 2119A features the LTC®3115-2, a high voltage monolithic synchronous buck-boost converter optimized for applications with fast input voltage transients. The DC2119A demo board has two user selectable operating modes: Burst Mode© and Forced Continuous Operation (Fixed Frequency PWM) (JP1). There ...

Demo Board 

 

LTC3129 15V, 200mA Synchronous Buck-Boost Converter with 1.3uA Iq - Video Product Brief

Bruce Haug - Product Marketing Engineer Sep 23rd 2013
The LTC®3129-1 is a high efficiency, 200mA buck-boost DC/DC converter with a wide VIN and VOUT range. It includes an accurate RUN pin threshold to allow predictable regulator turn-on and a maximum power point control (MPPC) capability that ensures maximum power extraction from non-ideal power sources such as photovoltaic ...

Video 

 

2.7V to 40V Monolithic Buck-Boost DC/DC Expands Input Capabilities, Regulates Seamlessly through Automotive Cold-Crank and Load-Dump Transients

John Canfield - Design Engineer Jul 17th 2013
Handheld devices, industrial instruments and automotive electronics all demand power supply solutions that can support an expansive range of input voltages resulting from automotive input voltage transients, resistive line drops and a wide variety of power sources. As a further design challenge, applications often require a ...

Blog Post 

 

40V, 2A Synchronous Buck-Boost DC/DC Converter Offered in High Temperature H Grade & High Reliability MP Grade

Jun 17th 2013
MILPITAS, CA – June 17, 2013 – Linear Technology announces the high temperature H-grade (-40°C to 150°C junction temperature) and high reliability MP-grade (-55°C to 150°C) version of the LTC3115-1 in a 20-lead thermally enhanced TSSOP package. The LTC3115-1 is a synchronous buck-boost converter that delivers up to 2A ...

Press Release 

 

DC1923A - LTC3129-1 Demo Board | 2.42V to 15V Input, 5V out at 200mA

Jun 5th 2013
Demonstration circuit 1923A features the LTC3129-1, a high efficiency 200mA output buck-boost DC/DC converter with a wide VIN and VOUT range. The DC1923A operates with a 2.42V to 15V input voltage range, and has been designed with the output voltage set to 5V. The demo board can be programmed to any of eight voltage settings ...

Demo Board LTspice 

 

DC1922A - LTC3129 Demo Board | Micropower, Sync Buck-Boost, 2.42V ≤ VIN ≤ 15V, Vout = 5V @ 200mA

May 7th 2013
Demonstration Circuit 1922A features the LTC®3129, a high efficiency 200mA buck-boost DC/DC converter with a wide VIN and VOUT range. The DC1922A demo board has two user selectable operating modes: Burst Mode® Operation and Fixed Frequency PWM (JP3). There is also an accurate programmable RUN pin which is used to ENABLE ...

Demo Board LTspice 

 

15V, 200mA Synchronous Buck-Boost DC/DC Converter with Only 1.3μA of Quiescent Current

Mar 18th 2013
MILPITAS, CA – March 18, 2013 – Linear Technology announces the LTC3129, a synchronous buck-boost converter that delivers up to 200mA of continuous output current from a wide variety of input sources including single or multiple-cell batteries as well as solar panels and supercaps. Its 2.42V to 15V input range and 1.4V to ...

Press Release 

 

LTC3129 Solar Powered Converter with MPPC Charges Storage Capacitor

Feb 4th 2013
The LTC3129 is a high efficiency, 200mA buck-boost DC/DC converter with a wide VIN and VOUT range. It includes an accurate RUN pin threshold to allow predictable regulator turn-on and a maximum power point control (MPPC) capability that ensures maximum power extraction from non-ideal power sources such as photovoltaic panels. ...

Circuit 

 

LTC3129 Solar Powered Converter Extends Battery Life in Low Power 3V Primary Battery Applications

Feb 4th 2013
The LTC3129 is a high efficiency, 200mA buck-boost DC/DC converter with a wide VIN and VOUT range. It includes an accurate RUN pin threshold to allow predictable regulator turn-on and a maximum power point control (MPPC) capability that ensures maximum power extraction from non-ideal power sources such as photovoltaic panels. ...

Circuit 

 

LTC3129 Li-Ion Powered 3V Converter with 3.1V Input UVLO Reduces Low Battery lQ to 3uA

Feb 4th 2013
The LTC®3129 is a high efficiency, 200mA buck-boost DC/DC converter with a wide VIN and VOUT range. It includes an accurate RUN pin threshold to allow predictable regulator turn-on and a maximum power point control (MPPC) capability that ensures maximum power extraction from non-ideal power sources such as photovoltaic panels. ...

Circuit 

 

LTC3129 Energy Harvesting Converter Operates from a Variety of Weak Sources

Feb 4th 2013
The LTC3129 is a high efficiency, 200mA buck-boost DC/DC converter with a wide VIN and VOUT range. It includes an accurate RUN pin threshold to allow predictable regulator turn-on and a maximum power point control (MPPC) capability that ensures maximum power extraction from non-ideal power sources such as photovoltaic panels. ...

Circuit 

 

DC1687A - LTC3115-1 Demo Board | Sync Buck-Boost, 2.7V ≤ VIN ≤ 40V, Vout = 5V @ Up to 2A

Apr 24th 2012
Demonstration circuit 1687A features the LTC®3115-1, a high voltage monolithic synchronous buck-boost converter. The DC1687A demo board has two user selectable operating modes: Burst Mode® operation and forced continuous operation (fixed frequency PWM) (JP1). There is also an accurate programmable RUN pin which is used ...

Demo Board LTspice 

 

40VIN/OUT, 2A Synchronous Buck-Boost DC/DC Converter Offers 2.7V to 40V Input & Output Range

Nov 21st 2011
MILPITAS, CA – November 21, 2011 – Linear Technology announces the LTC3115-1, a synchronous buck-boost converter that delivers up to 2A of continuous output current from a wide range of power sources from single-cell Li-Ion to 24V/28V industrial rails to 40V automotive inputs. The LTC3115-1’s 2.7V to 40V input and output ...

Press Release 

 

LTC3115-1 750kHz Automotive 5V Regulator with Cold Crank Capability

Nov 17th 2011
The LTC3115-1 is a high voltage monolithic synchronous buck-boost DC/DC converter. Its wide 2.7V to 40V input and output voltage ranges make it well suited to a wide variety of automotive and industrial applications. A proprietary low noise switching algorithm optimizes efficiency with input voltages that are above, below ...

Circuit 

 

LTC3115-1 24V 750kHz Industrial Rail Restorer

Nov 17th 2011
The LTC3115-1 is a high voltage monolithic synchronous buck-boost DC/DC converter. Its wide 2.7V to 40V input and output voltage ranges make it well suited to a wide variety of automotive and industrial applications. A proprietary low noise switching algorithm optimizes efficiency with input voltages that are above, below or ...

Circuit 

 

LTC3115-1 Wide Input Voltage Range (2.7V to 40V), High Efficiency 300kHz, Low Noise 5V Regulator

Nov 17th 2011
The LTC3115-1 is a high voltage monolithic synchronous buck-boost DC/DC converter. Its wide 2.7V to 40V input and output voltage ranges make it well suited to a wide variety of automotive and industrial applications. A proprietary low noise switching algorithm optimizes efficiency with input voltages that are above, below or ...

Circuit 

 

LTC3115-1 USB, FireWire, Automotive and Unregulated Wall Adapter to Regulated 5V

Nov 17th 2011
The LTC3115-1 is a high voltage monolithic synchronous buck-boost DC/DC converter. Its wide 2.7V to 40V input and output voltage ranges make it well suited to a wide variety of automotive and industrial applications. A proprietary low noise switching algorithm optimizes efficiency with input voltages that are above, below or ...

Circuit 

 

LTC3115-1 Industrial 12V 1MHz Regulator with Custom Input Undervoltage Lockout Thresholds

Nov 17th 2011
The LTC3115-1 is a high voltage monolithic synchronous buck-boost DC/DC converter. Its wide 2.7V to 40V input and output voltage ranges make it well suited to a wide variety of automotive and industrial applications. A proprietary low noise switching algorithm optimizes efficiency with input voltages that are above, below or ...

Circuit LTspice 

 

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