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Solutions Search - Buck-Boost Regulator

LTM4607 Boost Mode Operation with 5V to 12V Input with Low Switching Noise (Optional)

Apr 14th 2014
The LTM4607 is a high efficiency switching mode buck-boost power supply. Included in the package are the switching controller, power FETs, and support components. Operating over an input voltage range of 4.5V to 36V, the LTM4607 supports an output voltage range of 0.8V to 24V, set by a resistor. This high efficiency design ...

Circuit 

 

LTM4607 4.5V to 36V Input To 5V at 10A Design

Apr 14th 2014
The LTM4607 is a high efficiency switching mode buck-boost power supply. Included in the package are the switching controller, power FETs, and support components. Operating over an input voltage range of 4.5V to 36V, the LTM4607 supports an output voltage range of 0.8V to 24V, set by a resistor. This high efficiency design ...

Circuit 

 

LTM4607 Buck Mode Operation with Positive to Negative –12V Output

Apr 14th 2014
The LTM4607 is a high efficiency switching mode buck-boost power supply. Included in the package are the switching controller, power FETs, and support components. Operating over an input voltage range of 4.5V to 36V, the LTM4607 supports an output voltage range of 0.8V to 24V, set by a resistor. This high efficiency design ...

Circuit 

 

LTM4607 20V/2.5A Buck-Boost DC/DC μModule Regulator with 4.5V to 36V Input

Apr 14th 2014
The LTM4607 is a high efficiency switching mode buck-boost power supply. Included in the package are the switching controller, power FETs, and support components. Operating over an input voltage range of 4.5V to 36V, the LTM4607 supports an output voltage range of 0.8V to 24V, set by a resistor. This high efficiency design delivers ...

Circuit 

 

LT3791-1 98% Efficient 60W (12V 5A) Voltage Regulator Runs Down to 3V VIN

Mar 16th 2014
The LT®3791-1 is a synchronous 4-switch buck-boost voltage/ current regulator controller. The controller can regulate output voltage, output current, or input current with input voltages above, below, or equal to the output voltage. The constant-frequency, current mode architecture allows its frequency to be adjusted or ...

Circuit 

 

LTC3534 Li-Ion to 3.3V at 400mA

Mar 14th 2014
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 ...

Circuit 

 

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

Mar 14th 2014
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 ...

Circuit 

 

LTC3536 Solar Powered LED Driver

Mar 5th 2014
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 

 

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

Mar 1st 2014
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 Synchronized to a 1.5MHz Clock, 5V/1A Output

Mar 1st 2014
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 Regulated 12V Output from Wide Range Input Supply

Mar 1st 2014
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

Mar 1st 2014
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 

 

LTM8045 -5V Inverting Convener

Feb 26th 2014
The LTM®8045 is a μModule® (micromodule) DC/DC converter that can be configured as a SEPIC or inverting converter by simply grounding the appropriate output rail. In a SEPIC configuration the regulated output voltage can be above, below or equal to the input voltage. The LTM8045 includes power devices, inductors, ...

Circuit 

 

LTM8045 -12V Inverting Converter

Feb 26th 2014
The LTM®8045 is a μModule® (micromodule) DC/DC converter that can be configured as a SEPIC or inverting converter by simply grounding the appropriate output rail. In a SEPIC configuration the regulated output voltage can be above, below or equal to the input voltage. The LTM8045 includes power devices, inductors, ...

Circuit 

 

LTM8045 12V SEPIC Converter

Feb 26th 2014
The LTM®8045 is a μModule® (micromodule) DC/DC converter that can be configured as a SEPIC or inverting converter by simply grounding the appropriate output rail. In a SEPIC configuration the regulated output voltage can be above, below or equal to the input voltage. The LTM8045 includes power devices, inductors, ...

Circuit 

 

Dual LTM8045 to Generate ±5Vout From 2.8V to 18Vin

Feb 26th 2014
The LTM®8045 is a μModule® (micromodule) DC/DC converter that can be configured as a SEPIC or inverting converter by simply grounding the appropriate output rail. In a SEPIC configuration the regulated output voltage can be above, below or equal to the input voltage. The LTM8045 includes power devices, inductors, ...

Circuit 

 

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

Feb 24th 2014
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

Feb 24th 2014
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

Feb 24th 2014
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 Miniature Size 1.5MHz 12V Supply

Feb 24th 2014
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 

 

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

Feb 14th 2014
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 

 

LT8705 Telecom Voltage Stabilizer

Jan 3rd 2014
The LT8705 is a high performance buck-boost switching regulator controller that operates from input voltages above, below or equal to the output voltage. The part has integrated input current, input voltage, output current and output voltage feedback loops. With a wide 2.8V to 80V input and 1.3V to 80V output range, the LT8705 ...

Circuit 

 

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

Dec 17th 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 

 

LT6110 with External RSENSE and LTC3789 Buck-Boost Regulator at 12V

Dec 17th 2013
The LT®6110 is a precision high side current sense with a current mode output, designed for controlling the output voltage of an adjustable power supply or voltage regulator. This can be used to compensate for drops in voltage at a remote load due to resistance in a wire, trace or cable. The LT6110 monitors load current ...

Circuit 

 

LT8705 12V Output Converter Accepts 4V to 80V Input (5.5V Minimum to Start)

Feb 15th 2013
The LT8705 is a high performance buck-boost switching regulator controller that operates from input voltages above, below or equal to the output voltage. The part has integrated input current, input voltage, output current and output voltage feedback loops. With a wide 2.8V to 80V input and 1.3V to 80V output range, the LT8705 ...

Circuit 

 

LT8705 Bi-Directional Buck-Boost Supercapacitor Backup Supply

Feb 15th 2013
The LT8705 is a high performance buck-boost switching regulator controller that operates from input voltages above, below or equal to the output voltage. The part has integrated input current, input voltage, output current and output voltage feedback loops. With a wide 2.8V to 80V input and 1.3V to 80V output range, the LT8705 ...

Circuit 

 

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

Feb 15th 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 

 

Energy Harvesting Converter Operates from a Variety of Weak Sources

Feb 15th 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 

 

Solar Powered Converter with MPPC Charges Storage Capacitor

Feb 15th 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 

 

LT3791-1 120W, 24V 5A Output Buck-Boost Voltage Regulator

Oct 3rd 2012
The buck-boost converter shown in this figure regulates 24V with 0A–5A load at up to 98.5% efficiency (Figure 2). It operates from an input voltage range of 12V to 58V. Adjustable undervoltage and overvoltage lockout protect the circuit. It has short-circuit protection and the SHORT output flag indicates when there is ...

Circuit 

 

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

Mar 29th 2012
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 750kHz Automotive 5V Regulator with Cold Crank Capability

Dec 5th 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, ...

Circuit 

 

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

Dec 5th 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 

 

Buck-Boost Converter In SuperCap Backup Power Supply

Aug 8th 2011
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 

 

12V/5A Output From 4V-38V Automotive Input Supply

Dec 22nd 2010
The LTC3789 is a high performance buck-boost switching regulator controller that operates from input voltages above, below or equal to the output voltage. The constant-frequency, current mode architecture allows a phase-lockable frequency of up to 600kHz, while an output current feedback loop provides support for battery charging. ...

Circuit 

 

Six Output DC/DC μModule Regulator From 3V to 72V Input

Dec 22nd 2010
The LTM8008 is a 72VIN, μModule SEPIC converter with six post regulators. The SEPIC controller’s fixed frequency, current-mode architecture results in stable operation over a wide range of supply and output voltages and features soft-start and frequency foldback functions to limit inductor current during start-up and output ...

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

Dec 22nd 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 ...

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Supercap Powered Backup Supply

Dec 22nd 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 

 

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

Jul 20th 2010
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 ...

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

Mar 24th 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 

 

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