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Solutions Search - Internal Power Switch Buck-Boost

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 

 

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 

 

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 

 

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 

 

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 

 

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 

 

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 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 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 

 

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 

 

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 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 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 

 

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 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 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 

 

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 Miniature Size 1.5MHz 12V Supply

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 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 Wide Input Voltage Range (10V to 40V) 1MHz 24V Supply at 500mA

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 

 

LTC3536 Solar Powered LED Driver

Jul 26th 2011
The power generated by a solar cell varies significantly with lighting conditions.So a rechargeable storage device, such a supercapacitor, is required to provide continuous power when the solar cell is insufficiently illuminated. Although it has much less charge storage capacity compared to a battery, a supercapacitor requires ...

Circuit LTspice 

 

Supercap Powered Backup Supply

Nov 23rd 2010
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 

 

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

Nov 16th 2010
The LTC3112 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. With an input range of 2.7V to 15V, the LTC3112 is well ...

Circuit 

 

Single Supercapacitor Charger from 1.8V to 5.5V Input to 5V Output (1000mA Max Input Current)

Feb 2nd 2010
The LTC3127 is a wide VIN range, highly efficient, 1.35MHz fixed frequency buck-boost DC/DC converter that operates from input voltages above, below or equal to the output voltage. The LTC3127 features programmable average input current limit, making it ideal for power-limited input sources. The input current limit is programmed ...

Circuit 

 

Stacked Supercapacitor Charger from 1.8V to 5.5V Input to 5V Output (1000mA Max Input Current)

Feb 2nd 2010
The LTC3127 is a wide VIN range, highly efficient, 1.35MHz fixed frequency buck-boost DC/DC converter that operates from input voltages above, below or equal to the output voltage. The LTC3127 features programmable average input current limit, making it ideal for power-limited input sources. The input current limit is programmed ...

Circuit 

 

LTC3534 Li-Ion to 3.3V at 400mA

Feb 10th 2009
The LTC®3534 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 a continuous transfer function through all operating modes, making the product ideal for multi-cell Alkaline/NiMH ...

Circuit 

 

LTC3534 4 AA Cells to 5V at 500mA Buck-Boost Converter

Feb 10th 2009
The LTC®3534 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 a continuous transfer function through all operating modes, making the product ideal for multi-cell Alkaline/NiMH ...

Circuit 

 

Buck-Boost Converter In SuperCap Backup Power Supply

Oct 10th 2006
The LTC3536 is an extended VIN range, fixed frequency, synchronous buck-boost DC/DC converter that operates from input voltages above, below or equal to the regulated output voltage. The topology incorporated in the LTC3536 provides low noise operation, making it ideal for RF and precision measurement applications. ...

Circuit 

 

LTC3128 5.0V to 3.3V Converter with Power Ride-Through

Jan 6th 2005
The LTC®3128 is a highly efficient, buck-boost DC/DC supercapacitor charger. It operates efficiently from input voltages above, below or equal to the output voltage. The LTC3128 incorporates accurate programmable average input current limit, active charge balancing and programmable maximum capacitor voltage. This combination ...

Circuit 

 

4V-60V (Cold Crank) Input to 5V Output DC/DC Automotive Converter

Jun 18th 2003
Ultrawide input voltage requirements are a common design problem for DC/DC converter applications, but when that range includes voltages both above and below the output voltage, the converter must perform both step-up and step-down functions. The LT3433 is a high voltage monolithic DC/DC converter that incorporates two switch ...

Circuit