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Solutions Search - Buck-Boost Regulator

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 

 

LTM8056 24Vout from 7Vin to 58Vin Buck-Boost Regulator

Mar 19th 2015
The LTM®8056 is a 58VIN, buck-boost μModule® (micromodule) regulator. Included in the package are the switching controller, power switches, inductor and support components. A resistor to set the switching frequency, a resistor divider to set the output voltage, and input and output capacitors are all that are needed ...

Circuit LTspiceIV 

 

Two LTM8056s Paralleled and Synchronized, Vin 7V -58V, Vout 18V @ 8A

Mar 19th 2015
The LTM®8056 is a 58VIN, buck-boost μModule® (micromodule) regulator. Included in the package are the switching controller, power switches, inductor and support components. A resistor to set the switching frequency, a resistor divider to set the output voltage, and input and output capacitors are all that are needed ...

Circuit 

 

LTM8056 14.4V, 3A Lead-Acid Battery Charger Input Current Limited to 2A

Mar 19th 2015
The LTM®8056 is a 58VIN, buck-boost μModule® (micromodule) regulator. Included in the package are the switching controller, power switches, inductor and support components. A resistor to set the switching frequency, a resistor divider to set the output voltage, and input and output capacitors are all that are needed ...

Circuit 

 

LTM8055 12Vout from 5Vin to 36Vin Buck-Boost Regulator

Mar 19th 2015
The LTM®8055 is a 36VIN, buck-boost μModule® (micromodule) regulator. Included in the package are the switching controller, power switches, inductor and support components. A resistor to set the switching frequency, a resistor divider to set the output voltage, and input and output capacitors are all that are needed ...

Circuit LTspiceIV 

 

LTM8055 uModules Paralleled and Synchronized - Vin 3V to 36V, Vout 12V @ 13A

Mar 19th 2015
The LTM®8055 is a 36VIN, buck-boost μModule® (micromodule) regulator. Included in the package are the switching controller, power switches, inductor and support components. A resistor to set the switching frequency, a resistor divider to set the output voltage, and input and output capacitors are all that are needed ...

Circuit 

 

LTM8055 14.4V, 3A Lead-Acid Battery Charger Input Current Limited to 2.1A

Mar 19th 2015
The LTM®8055 is a 36VIN, buck-boost μModule® (micromodule) regulator. Included in the package are the switching controller, power switches, inductor and support components. A resistor to set the switching frequency, a resistor divider to set the output voltage, and input and output capacitors are all that are needed ...

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 

 

LT3790 240W High Efficiency Parallel Buck-Boost Regulator

Keith Szolusha Jan 5th 2015
The LT3790 is a 4-switch synchronous buck-boost DC/DC converter that regulates both constant voltage and constant current at up to 98.5% efficiency using only a single inductor. It can deliver hundreds of watts and features a 60V input and output rating, making it an ideal DC/DC voltage regulator and battery charger ...

Blog Post Circuit LTspiceIV 

 

LT3790 98% Efficient 60W (12V 5A) Voltage Regulator Runs Down to 3V VIN

Oct 28th 2014
The LT®3790 is a synchronous 4-switch buck-boost voltage/ current regulator controller. The LT3790 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 synchronized ...

Circuit 

 

LT3790 98% Efficient 360W (24V 15A) Parallel Voltage Regulators

Oct 28th 2014
The LT®3790 is a synchronous 4-switch buck-boost voltage/ current regulator controller. The LT3790 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 synchronized ...

Circuit 

 

LT3790 2.4A Buck-Boost 36V SLA Battery Charger

Oct 28th 2014
The LT®3790 is a synchronous 4-switch buck-boost voltage/ current regulator controller. The LT3790 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 synchronized ...

Circuit 

 

LT3791-1 2.5A Buck-Boost 36V SLA Battery Charger

Sep 23rd 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 

 

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 ...

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 LTspiceIV 

 

LTC3785-1 10W Li-Ion/9V Wall Adapter Buck-Boost Controller with Power Good

Aug 4th 2014
The LTC3785-1 is a high power synchronous buck-boost controller that drives all N-channel power MOSFETs from input voltages above, below and equal to the output voltage. With an input range of 2.7V to 10V, the LTC3785-1 is well suited for a wide variety of single or dual cell Li-Ion or multi-cell alkaline/NiMH applications. ...

Circuit LTspiceIV 

 

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 ...

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 ...

Circuit 

 

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 

 

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 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 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 

 

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 ...

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 

 

LTM8045 12V SEPIC Converter

Jan 23rd 2013
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 -5V Inverting Converter

Jan 23rd 2013
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

Jan 23rd 2013
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

Jan 23rd 2013
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 

 

LT8705 Bi-Directional Buck-Boost Supercapacitor Backup Supply

Jan 7th 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 LTspiceIV 

 

LT8705 Telecom Voltage Stabilizer

Jan 7th 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 12V Output Converter Accepts 4V to 80V Input (5.5V Minimum to Start)

Jan 7th 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 

 

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

Aug 6th 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 LTspiceIV 

 

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

Aug 6th 2012
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 

 

Solar Panel Input 6V to 36VIN to 14.4V at 4.5A Buck Boost Converter 4-Cell LiFePO4 Battery Charger

Jul 23rd 2012
The LTC4000-1 is a high voltage, high performance controller that converts many externally compensated DC/DC power supplies into full-featured battery chargers with maximum power point control. In contrast to the LTC4000, the LTC4000-1 has an input voltage regulation loop instead of the input current regulation loop. Features ...

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, ...

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 ...

Circuit 

 

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