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Solutions Search - External Power Switch Boost

DC1341B - LT3757EDD SEPIC Demo Board | 4.5V ≤ Vin ≤ 36V; Vout = 5V @ 3A

Nov 3rd 2017
Demonstration circuit 1341B features LT®3757A in a 300kHz SEPIC converter circuit, designed for a 5V at 3A output from a 4.5V to 36V input voltage range.   ...

Demo Board 

 

DC2234A - LT8711 Micropower Synchronous Sepic Converter

Oct 2nd 2017
Demonstration circuit 2234A is a synchronous sepic converter featuring the LT®8711 multitopology switching controller. The LT8711 is a current mode PWM DC/DC controller with a dual input LDO to optimize gate driver efficiency. Ultralow 15μA quiescent current in low noise Burst Mode® operation achieves high efficiency ...

Demo Board 

 

42V Multitopology DC/DC Controller with 15μA IQ Provides Five Converter Topologies at Up to 10A Output Current

Sep 11th 2017
MILPITAS, CA and NORWOOD, MA – September 11, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LT8711, a multitopology current mode PWM controller that can easily be configured as a synchronous buck, boost, SEPIC and ZETA DC/DC converter, or as a nonsynchronous buck-boost ...

Press Release 

 

100V, Bidirectional Multiphase Synchronous Buck or Boost Controller

Ding Li - Senior Power Applications Engineer, Power Products Mar 31st 2017
Current 12V automotive systems are reaching their 3kW power limit due to the ever-increasing demand for more electrical devices. A newly proposed standard, LV148, combines a secondary 48V bus with the existing 12V system. Benefits of this technology include increased available energy that allows for more electrical circuits ...

Video 

 

LTC3897 High Efficiency 2-Phase 24V Boost Converter with In-Rush Current Control, Overcurrent Protection, Input Voltage Surge Protection and Reverse Input Protection

Jan 17th 2017
The LTC®3897 is a synchronous boost DC/DC controller with surge stopper and ideal diode controller. ...

Circuit 

 

LTC3897 High Efficiency 2-Phase 48V Boost Converter with Reverse Input Protection (Surge Stopper Controller Not Used)

Jan 17th 2017
The LTC®3897 is a synchronous boost DC/DC controller with surge stopper and ideal diode controller. ...

Circuit 

 

LTC3897 High Efficiency 2-Phase 48V Boost Converter with Overcurrent Protection (Ideal Diode and Surge Stopper Controllers at the Output)

Jan 17th 2017
The LTC®3897 is a synchronous boost DC/DC controller with surge stopper and ideal diode controller. ...

Circuit 

 

LTC3897 Nonsynchronous 107V/1.5A 2-Phase Boost Converter with In-Rush Current Control, Overcurrent Protection, Input Voltage Surge Protection and Reverse Input Protection

Jan 17th 2017
The LTC®3897 is a synchronous boost DC/DC controller with surge stopper and ideal diode controller. ...

Circuit 

 

Multiphase 60V Synchronous Boost Controller Provides up to 97% Efficiency with Input & Output Protection

Jan 10th 2017
MILPITAS, CA – January 10, 2017 – Linear Technology Corporation announces the LTC3897, a multiphase synchronous boost DC/DC controller with input surge stopper and ideal diode controller. The boost controller drives two N-channel power MOSFET stages out-of-phase to reduce input and output capacitor requirements, ...

Press Release 

 

DC2108A - LTC3897 Demo Board | Sync Boost Controller, 16V ≤ VIN ≤ 55V,Vout = 48V @ 4A to 12A

Nov 30th 2016
Demonstration circuit DC2108 is DC/DC boost converter featuring the LTC®3897 constant frequency current mode boost controller. The DC2108A operates over a 16V to 55V input and provides 4A to 12A of output current as shown in Figure 3. The 160kHz (2 •160kHz at the output) constant frequency operation results in a small ...

Demo Board LTspice 

 

38V Input Synchronous Boost Controller Operates at 150°C with up to 98% Efficiency

Nov 7th 2016
MILPITAS, CA – November 7, 2016 – Linear Technology Corporation announces the H-grade versions of the LTC3786, a synchronous step-up DC/DC controller with guaranteed operation for junction temperatures up to 150°C. The LTC3786 replaces the boost diode with an N-channel MOSFET for higher efficiency and reduced ...

Press Release 

 

LTC3871 Bidirectional PolyPhase® Synchronous Buck or Boost Controller - Video Product Brief

Bruce Haug - Product Marketing Engineer Oct 6th 2016
The LTC®3871 is a high performance bidirectional buck or boost switching regulator controller that operates in either buck or boost mode on demand. It regulates in buck mode from VHIGH-to-VLOW and boost mode from VLOW-to-VHIGH depending on a control signal, making it ideal for 48V/12V automotive dual battery systems. An ...

Video 

 

LT3759 Wide Vin, 48V @ >100mA Output Boost Converter that Works Down to 1.6V

Christopher Jarboe - Associate Applications Engineer Oct 3rd 2016
The LT®3759 is a wide input range, current mode, DC/DC controller which is capable of regulating either positive or negative output voltages from a single feedback pin. It can be configured as a boost, SEPIC or inverting converter. An internal LDO regulator draws power from VIN or DRIVE to provide up to a 4.75V supply for ...

Blog Post Circuit LTspice 

 

48V/12V Automotive Bidirectional Synchronous Buck or Boost DC/DC Controller Increases Available Power

Sep 20th 2016
MILPITAS, CA – September 20, 2016 – Linear Technology Corporation announces the LTC3871, a 100V/30V bidirectional two phase synchronous buck or boost controller, ideal for 48V/12V automotive dual battery systems. Current 12V automotive systems are reaching their 3kW power limit due to the ever-increasing demand for ...

Press Release 

 

DC2422A-C - LTC7812EUH Demo Board | Sync Boost + Sync Buck, 4V ≤ VIN ≤ 36V; VBoost = 12V, Vbuck = 12V to 5V @ 8A

Mar 11th 2016
Demonstration circuit DC2422A is a step-up + step-down DC/DC converter featuring the LTC®7812EUH, a high performance dual output (Boost + Buck) synchronous DC/ DC switching regulator controller. This board has a 4V to 36V input voltage range and three different output configurations. DC2422A-A generates a regulated 12V @ ...

Demo Board 

 

DC2422A-B - LTC7812EUH Demo Board | Sync Boost + Sync Buck, 4V ≤ VIN ≤ 36V; VOUT1 (Quasi Regulated) = 10V-16V @ 6-8A

Mar 11th 2016
Demonstration circuit DC2422A is a step-up + step-down DC/DC converter featuring the LTC®7812EUH, a high performance dual output (Boost + Buck) synchronous DC/ DC switching regulator controller. This board has a 4V to 36V input voltage range and three different output configurations. DC2422A-A generates a regulated 12V @ ...

Demo Board 

 

DC2422A-A - LTC7812EUH Demo Board | Sync Buck + Sync Boost, 4V ≤ VIN ≤ 36V; VOUT = 12V @ 8A

Mar 11th 2016
Demonstration circuit DC2422A is a step-up + step-down DC/DC converter featuring the LTC®7812EUH, a high performance dual output (Boost + Buck) synchronous DC/ DC switching regulator controller. This board has a 4V to 36V input voltage range and three different output configurations. DC2422A-A generates a regulated 12V @ ...

Demo Board LTpowerCAD 

 

LT3759 1.8V to 3.3V Input, 5V/2A Output Boost Converter

Feb 2nd 2016
The LT®3759 is a wide input range, current mode, DC/DC controller which is capable of regulating either positive or negative output voltages from a single feedback pin. It can be configured as a boost, SEPIC or inverting converter. ...

Circuit 

 

LT3759 8V to 16V Input, 24V/2A Output Boost Converter

Feb 2nd 2016
The LT®3759 is a wide input range, current mode, DC/DC controller which is capable of regulating either positive or negative output voltages from a single feedback pin. It can be configured as a boost, SEPIC or inverting converter. ...

Circuit 

 

LT3759 1.8V to 5V Input, 3.3V/3A Output SEPIC Converter

Feb 2nd 2016
The LT®3759 is a wide input range, current mode, DC/DC controller which is capable of regulating either positive or negative output voltages from a single feedback pin. It can be configured as a boost, SEPIC or inverting converter. ...

Circuit 

 

LT3759 5V to 15V Input, –5V/3A Output Inverting Converter

Feb 2nd 2016
The LT®3759 is a wide input range, current mode, DC/DC controller which is capable of regulating either positive or negative output voltages from a single feedback pin. It can be configured as a boost, SEPIC or inverting converter. ...

Circuit 

 

LT3759 1.8V to 5V Input, –5V/2A Output Inverting Converter

Feb 2nd 2016
The LT®3759 is a wide input range, current mode, DC/DC controller which is capable of regulating either positive or negative output voltages from a single feedback pin. It can be configured as a boost, SEPIC or inverting converter. ...

Circuit 

 

28μA IQ Dual Output, Boost + Buck Synchronous DC/DC Controller Maintains Regulation in Automotive Systems

Oct 21st 2015
MILPITAS, CA - October 21, 2015 - Linear Technology Corporation introduces the LTC7812, a dual output (boost + buck), low quiescent current synchronous DC/DC controller. When cascaded, its independent step-up (boost) and step-down (buck) controllers regulate the output voltage from an input voltage that can be above, below or ...

Press Release 

 

LTC7812 Wide Input Range to 12V/8A Low IQ, Cascaded Boost+Buck Regulator (VMID = 16V)

Oct 9th 2015
The LTC®7812 is a high performance synchronous Boost+Buck DC/DC switching regulator controller that drives all N-channel power MOSFET stages. It contains independent step-up (boost) and step-down (buck) controllers that can regulate two separate outputs or be cascaded to regulate an output voltage from an input voltage that ...

Circuit 

 

LTC7812 Wide Input Range to 5V/5A Low IQ Cascaded Boost + Buck Regulator (VMID Boosted to 10V)

Oct 9th 2015
The LTC®7812 is a high performance synchronous Boost+Buck DC/DC switching regulator controller that drives all N-channel power MOSFET stages. It contains independent step-up (boost) and step-down (buck) controllers that can regulate two separate outputs or be cascaded to regulate an output voltage from an input voltage that ...

Circuit 

 

LTC7812 Low EMI, Wide Input Range Pass-Through Cascaded Boost+Buck Regulator

Oct 9th 2015
The LTC®7812 is a high performance synchronous Boost+Buck DC/DC switching regulator controller that drives all N-channel power MOSFET stages. It contains independent step-up (boost) and step-down (buck) controllers that can regulate two separate outputs or be cascaded to regulate an output voltage from an input voltage that ...

Circuit 

 

Easily Boost 12V to 140V with a Single Converter IC

Victor Khasiev - Applications Engineer Sep 28th 2015
Design Note 1033: Introduction Generating a high voltage from a much lower voltage presents a number of challenges for the classical single stage boost topology. For instance, the maximum duty cycle limitation of a boost controller may not allow the required step-up ratio. Even if it does, there is often a sharp decrease in ...

Blog Post 

 

DC414B - LTC1871EMS | Boost Controller, 3V ≤ VIN ≤ 5V, Vout = 5V @ 7A

Aug 31st 2015
Demonstration circuit DC414 is a step-up (Boost) DC-DC converter featuring the LTC1871 controller. The circuit is capable of providing an output voltage of 5V at 7A (10A peak) from an input supply of 3.3V. External frequency synchronization is provided, as are two modes of operation at light load conditions: Burst mode™ ...

Demo Board 

 

DC1547B - LT3757AEDD Boost Demo Board | Boost, 3.1V ≤ VIN ≤ 9V; VOUT = 12V @ 1.5A

May 29th 2015
Demonstration circuit 1547B features the LT®3757AEDD in a 400kHz BOOST converter circuit, designed for a 12V output from a 3.1V to 9V input voltage range. The LT3757A operates over an input range of 2.9V to 40V, suitable for applications from single-cell lithium-ion battery portable electronics up to high voltage automotive ...

Demo Board 

 

DC2148A - LT8709EFE Demo Board | Negative Buck-Boost, -38V ≤ VIN ≤ -4.5V; VOUT = -12V @ 5A

Apr 3rd 2015
Demonstration circuit 2148A features the LT®8709, a negative input synchronous multi-topology DC/DC controller designed for negative input power supplies where the highest input supply voltage is ground. Examples of these circuits include negative buck, negative boost, negative buck-boost and negative inverting. The DC2148A ...

Demo Board LTspice 

 

LT8709 Negative Input Synchronous Multi-Topology DC/DC Controller - Video Product Brief

Bruce Haug - Product Marketing Engineer Mar 25th 2015
The LT®8709 is a synchronous PWM controller for negativeto- negative or negative-to-positive DC/DC conversion, with rail-to-rail output current monitor and control. The LT8709 is ideal for many local power supply designs. It can be easily configured in buck, boost, buck-boost, and inverting topologies with negative ...

Video 

 

LTC3899 Triple Output, 60VIN/60VOUT Low Iq, Synchronous Buck/Buck/Boost Controller - Video Product Brief

Bruce Haug - Product Marketing Engineer Mar 24th 2015
The LTC®3899 is a high performance triple output (buck/ buck/boost) DC/DC switching regulator controller that drives all N-channel synchronous power MOSFET stages. The constant frequency current mode architecture allows a phase-lockable frequency of up to 850kHz. The LTC3899 operates from a wide 4.5V to 60V input supply ...

Video 

 

DC1898A - LTC3899EFE Demo Board | Triple Buck/Buck/Boost Controller, Vout3 Powers VOUT1/VOUT2; 2.5V ≤ VIN ≤ 60V; VOUT1 = 5V @ 5A, VOUT2 = 8.5V @ 3A, Vout3 = 10V @ 5.5A

Mar 16th 2015
Demonstration circuit 1898A is a triple output synchronous step-up/dual step-down supply featuring the LTC3899EFE. The circuit is using a drop-in layout: the main buck circuit components fit in an area of ¾˝ × 1½˝, while the main boost circuit area is ¾˝ × 1¾˝. The package style for ...

Demo Board 

 

DC2104A - LT8312EMS Demo Board | Boost Controller with PFC, 90VAC ≤ VIN ≤ 265VAC; VOUT = 400Vdc @ 0.375A

Mar 16th 2015
Demonstration Circuit 2104A is an off-line boundary conduction mode power factor correction (PFC) boost converter featuring the LT®8312. Boundary conduction mode offers inherent MOSFET valley switching to reduce the switching loss and the boost diode zero current switching to remove the diode reverse-recovery loss. The demo ...

Demo Board LTspice 

 

60V Triple Output, 29μA IQ Buck/Buck/Boost DC/DC Controller Maintains Regulation in Automotive & Heavy Truck Start/Stop Systems

Mar 2nd 2015
MILPITAS, CA - March 2, 2015 - Linear Technology Corporation announces the LTC3899, a triple output (buck, buck, boost) 29µA quiescent current, synchronous DC/DC controller that maintains output voltage regulation over a 2.2V to 60V input range. A 12V car battery can droop to less than 4 volts during engine restart or cold ...

Press Release 

 

LTC3899 High Efficiency Triple 24V/3.3V/5V Converter with 10V Gate Drive

Feb 24th 2015
The LTC®3899 is a high performance triple output (buck/ buck/boost) DC/DC switching regulator controller that drives all N-channel synchronous power MOSFET stages. The constant frequency current mode architecture allows a phase-lockable frequency of up to 850kHz. The LTC3899 operates from a wide 4.5V to 60V input supply ...

Circuit 

 

Power Factor Correction Boost Controller

Feb 19th 2015
MILPITAS, CA - February 19, 2015 - Linear Technology Corporation announces the LT8312, a power factor correction (PFC) boost controller that can achieve a power factor of greater than 0.99 by actively modulating the input current, allowing compliance with most harmonic current emission requirements. This device operates with ...

Press Release 

 

LT8709 250kHz, –16V to –30V Input to –12V Output, Negative Buck Converter Delivers Up to 8.5A Output Current

Jan 29th 2015
The LT®8709 is a synchronous PWM controller for negativeto- negative or negative-to-positive DC/DC conversion, with rail-to-rail output current monitor and control. The LT8709 is ideal for many local power supply designs. It can be easily configured in buck, boost, buck-boost, and inverting topologies with negative input ...

Circuit LTspice 

 

LT8709 200kHz, –4.5V to –42V Input to 5V/4A Output Negative Inverting Converter

Jan 29th 2015
The LT®8709 is a synchronous PWM controller for negativeto- negative or negative-to-positive DC/DC conversion, with rail-to-rail output current monitor and control. The LT8709 is ideal for many local power supply designs. It can be easily configured in buck, boost, buck-boost, and inverting topologies with negative input ...

Circuit LTspice 

 

LT8709 400kHz, Negative Buck-Boost Converter Generates a –24V/2.5A Output from a –15V to –30V Input

Jan 29th 2015
The LT®8709 is a synchronous PWM controller for negativeto- negative or negative-to-positive DC/DC conversion, with rail-to-rail output current monitor and control. The LT8709 is ideal for many local power supply designs. It can be easily configured in buck, boost, buck-boost, and inverting topologies with negative input ...

Circuit 

 

LT8709 High Power 300kHz, Negative Boost Converter Generates a –12V/4.5A Output from a –4.5V to –9V Input

Jan 29th 2015
The LT®8709 is a synchronous PWM controller for negativeto- negative or negative-to-positive DC/DC conversion, with rail-to-rail output current monitor and control. The LT8709 is ideal for many local power supply designs. It can be easily configured in buck, boost, buck-boost, and inverting topologies with negative input ...

Circuit LTspice 

 

LT8709 250kHz, Wide Input Range, Buck-Boost Converter Generates a –5V Output with Up to 7A Output Current

Jan 29th 2015
The LT®8709 is a synchronous PWM controller for negativeto- negative or negative-to-positive DC/DC conversion, with rail-to-rail output current monitor and control. The LT8709 is ideal for many local power supply designs. It can be easily configured in buck, boost, buck-boost, and inverting topologies with negative input ...

Circuit 

 

Negative Input (-4.5V to -80V) Synchronous Buck-Boost/Inverting DC/DC Controller Delivers up to 20A Output Current

Jan 22nd 2015
MILPITAS, CA - January 22, 2015 - Linear Technology Corporation announces the LT8709, a synchronous PWM controller for negative-to-negative or negative-to-positive DC/DC conversion. The LT8709 is unique in solving the problem of regulating a negative voltage with respect to system ground, without the need of complicated level ...

Press Release 

 

LTC4000 6V to 21V at 5A Boost Converter 5-Cell Li-Ion Battery Charger with C/10 Termination and 0.55A Trickle Charge Current

Sep 23rd 2014
The LTC®4000 is a high voltage, high performance controller that converts many externally compensated DC/DC power supplies into full-featured battery chargers. ...

Circuit 

 

LTC4000 8V to 72V IN to 4.2V at 2.0A Isolated Flyback Single-Cell Li-Ion Battery Charger with 2.9h Timer Termination and 0.22A Trickle Charge Current

Sep 23rd 2014
The LTC®4000 is a high voltage, high performance controller that converts many externally compensated DC/DC power supplies into full-featured battery chargers. ...

Circuit 

 

LTC3788 Generates High Voltages Using a Two-Stage Boost Converter

Victor Khasiev - Applications Engineer
Gabino Alonso - Strategic Marketing Engineer
Sep 17th 2014
Generating high voltages from low level sources is not an easy task. Engineers are facing the following problems when they try to implement single stage boost at high step-up ratios. Limitation of maximum duty cycle in boost controllers Sharp decrease in efficiency at long duty cycles High peak currents and EMI challenges ...

Blog Post Circuit LTspice 

 

LTC3786: High Efficiency Li-Ion Battery-to-USB Boost Converter

Goran Perica - Power Applications Section Leader
Gabino Alonso - Strategic Marketing Engineer
Sep 16th 2014
The LTC®3786 is a high performance synchronous boost converter controller that drives all N-channel power MOSFETs. Synchronous rectification increases efficiency, reduces power losses and eases thermal requirements, enabling the LTC3786 to be used in high power boost applications. A 4.5V to 38V input supply range encompasses ...

Blog Post Circuit LTspice 

 

LTC3769 60VIN/60VOUT Low IQ Synchronous Boost Controller - Video Product Brief

Bruce Haug - Product Marketing Engineer Sep 11th 2014
LTC®3769 is a high performance single output synchronous boost converter controller that drives an all N-channel power MOSFET stage. Synchronous rectification increases efficiency, reduces power losses and eases thermal requirements, simplifying high power boost applications. The 28μA no-load quiescent current extends ...

Video 

 

LTC3788 - High Efficiency Dual Boost Regulator with Independent Inputs

Victor Khasiev - Applications Engineer
Gabino Alonso - Strategic Marketing Engineer
Aug 27th 2014
Linear Technology offers a line of high performance multiple dual output synchronous boost converters. However, most of the datasheet contains examples of these controllers using the same input voltage source for both outputs. In some circumstances there may be a need to derive two different high output voltages from two separate ...

Blog Post Circuit LTspice 

 

LTC3859 High Efficiency Wide Input Range Dual 5V/8.5V Converter

Aug 6th 2014
The LTC®3859 is a high performance triple output (buck/ buck/boost) synchronous DC/DC switching regulator controller that drives all N-channel power MOSFET stages. Constant frequency current mode architecture allows a phase-lockable switching frequency of up to 850kHz. The LTC3859 operates from a wide 4.5V to 38V input supply ...

Circuit LTspice 

 

DC2173A - LTC3769IUFD Demo Board | Sync Boost, 6V ≤ VIN ≤ 48V, Vout = 48V @ 1.5A to 6A

Jul 28th 2014
Demonstration circuit DC2173A is a DC/DC synchronous boost converter featuring the LTC®3769 constant frequency current mode synchronous boost controller. The DC2173A generates a 48V output voltage and provides 1.5A to 6A of output current. ...

Demo Board LTpowerCAD LTspice 

 

60V Synchronous Boost Controller

Jul 23rd 2014
MILPITAS, CA - July 23, 2014 - Linear Technology Corporation announces the LTC3769, a synchronous step-up DC/DC controller that replaces the boost diode with a high efficiency N-channel MOSFET, increasing efficiency and maximizing output current capability. This controller produces 24V at up to 5A output from a 12V input with ...

Press Release 

 

LTC3769 High Efficiency 28V Boost Converter

Jul 11th 2014
LTC®3769 is a high performance single output synchronous boost converter controller that drives an all N-channel power MOSFET stage. Synchronous rectification increases efficiency, reduces power losses and eases thermal requirements, simplifying high power boost applications. The 28μA no-load quiescent current extends ...

Circuit 

 

LTC3769 High Efficiency 10V Boost Converter

Jul 11th 2014
LTC®3769 is a high performance single output synchronous boost converter controller that drives an all N-channel power MOSFET stage. Synchronous rectification increases efficiency, reduces power losses and eases thermal requirements, simplifying high power boost applications. The 28μA no-load quiescent current extends ...

Circuit 

 

LTC3769 High Efficiency 24V Boost Converter with Inductor DCR Current Sensing

Jul 11th 2014
LTC®3769 is a high performance single output synchronous boost converter controller that drives an all N-channel power MOSFET stage. Synchronous rectification increases efficiency, reduces power losses and eases thermal requirements, simplifying high power boost applications. The 28μA no-load quiescent current extends ...

Circuit 

 

LTC3769 Low IQ Nonsynchronous 24V/2A Boost Converter

Jul 11th 2014
LTC®3769 is a high performance single output synchronous boost converter controller that drives an all N-channel power MOSFET stage. Synchronous rectification increases efficiency, reduces power losses and eases thermal requirements, simplifying high power boost applications. The 28μA no-load quiescent current extends ...

Circuit 

 

LTC3769 High Efficiency 48V/2.5A Boost Converter

Jul 11th 2014
LTC®3769 is a high performance single output synchronous boost converter controller that drives an all N-channel power MOSFET stage. Synchronous rectification increases efficiency, reduces power losses and eases thermal requirements, simplifying high power boost applications. The 28μA no-load quiescent current extends ...

Circuit 

 

LTC3784 4.5V to 60VIN 2-Phase (10A/Phase) Boost Controller - Video Product Brief

Bruce Haug - Product Marketing Engineer May 28th 2014
The LTC®3784 is a high performance PolyPhase® single output synchronous boost converter controller that drives two N-channel power MOSFET stages out-of-phase. Multiphase operation reduces input and output capacitor requirements and allows the use of smaller inductors than the single-phase equivalent. Synchronous rectification ...

Video 

 

DC989B-B - LTC3872-1ETS8 Demo Board | 2.75V ≤ VIN ≤ 4.5V; VOUT: 5V @ 2A

Apr 9th 2014
Demonstration circuit 989B-B is a single-output boost converter featuring the tiny NO RSENSE LTC3872-1 nonsynchronous boost controller. LTC3872-1 has the same functionality as the standard LTC3872 except that it has no frequency foldback in current limit. The demo board input voltage is from 3.0V to 4.5V without output de-rating ...

Demo Board 

 

DC989B-A - LTC3872ETS8 Demo Board | 2.75V ≤ VIN ≤ 4.5V; VOUT: 5V @ 2A

Apr 9th 2014
Demonstration circuit 989B-A is a single-output boost converter featuring the NO RSENSE LTC3872, a nonsynchronous tiny, boost controller. The input voltage is from 3.0V to 4.5V without output de-rating. The demo board has a 5V@2A (max) output. The minimum input voltage is 2.75V. When the input voltage is lower than 3V, output ...

Demo Board LTspice 

 

DC2061A - LTC3784IUFD Demo Board | 6V ≤ VIN ≤ 60V; VOUT= 48V @ 3A to 12A

Mar 28th 2014
Demonstration circuit DC2061 is a 2-phase DC/DC synchronous boost converter featuring the LTC®3784 constant frequency current mode synchronous boost controller. The DC2061A operates over a 6V to 60V input, develops a 48V output and provides 3A to 12A of output current as shown in Figure 3. The 150kHz (2 • 150kHz at ...

Demo Board LTpowerCAD 

 

DC2122A - LTC3859ALEUHF Demo Board | 4.5V ≤ VIN ≤ 36V; VOUT1: 5V @ 5A, VOUT2: 8.5V @ 3A, VOUT3: 10V @ 7A

Mar 7th 2014
Demonstration circuit 2122A is a triple output synchronous step-up/dual step-down supply featuring the LTC®3859AL. This demonstration circuit is designed for two buck 5V/5A, 8.5V/3A outputs supplied by a boosted 10V/7A output. Benefiting from this feature, the buck outputs are able to maintain regulation over a wide input ...

Demo Board 

 

DC2067A - LT8710EFE Inverting Demo Board | 4.5V ≤ VIN ≤ 28V; VOUT: -5V @ 6A

Feb 21st 2014
Demonstration circuit 2067A is a synchronous inverting converter (CUK topology) featuring the LT®8710 switching controller. It regulates a –5V, 6A output from a 4.5V to 28V input source, and operates at 300kHz switching frequency. The LT8710 features simple negative or positive output voltage programming. The DC2067 ...

Demo Board LTspice 

 

60V Multiphase Synchronous Boost Controller Delivers High Currents with 97% Efficiency

Feb 19th 2014
MILPITAS, CA - February 19, 2014 - Linear Technology Corporation announces the LTC3784, a high power two phase single output synchronous step-up DC/DC controller that replaces rectifying boost diodes with high efficiency N-channel MOSFETs. This device can produce a 24V output at 10A from a 12V input at up to 97% efficiency without ...

Press Release 

 

DC2006A-B - LTC3862EUH-2 Demo Board | Boost Controller, 6V ≤ VIN ≤ 36V; VOUT = 120V @ 2A

Feb 10th 2014
Demonstration circuit 2006A-B is a multiphase high power, high voltage step-up DC/DC converter featuring two the LTC®3862-2 boost controllers. This demo board converts a 6V to 36V input voltage to a 120V output at up to 2.5A with two stages. The first stage converts the input voltage to 50V. The second stage converts the ...

Demo Board 

 

DC2006A-A - LTC3862EUH-2 Demo Board | Boost Controller, 6V ≤ VIN ≤ 36V; VOUT = 50V @ 10A

Feb 10th 2014
Demonstration circuit 2006A-A is a multiphase high power, high voltage step-up DC/DC converter featuring the LTC®3862-2 boost controller. This demo board converts a 6V to 36V input voltage to a 50V output at up to 10A with four phases by utilizing and synchronizing two LTC3862-2 controller IC’s. ...

Demo Board LTpowerCAD LTspice 

 

LTC3784 High Efficiency 2-Phase 48V, 4A Boost Converter

Feb 10th 2014
The LTC®3784 is a high performance PolyPhase® single output synchronous boost converter controller that drives two N-channel power MOSFET stages out-of-phase. Multiphase operation reduces input and output capacitor requirements and allows the use of smaller inductors than the single-phase equivalent. Synchronous rectification ...

Circuit 

 

LTC3784 High Efficiency 2-Phase 24V, 10A Boost Converter

Feb 10th 2014
The LTC®3784 is a high performance PolyPhase® single output synchronous boost converter controller that drives two N-channel power MOSFET stages out-of-phase. Multiphase operation reduces input and output capacitor requirements and allows the use of smaller inductors than the single-phase equivalent. Synchronous rectification ...

Circuit LTspice 

 

LTC3784 High Efficiency 2-Phase 36V, 6A Boost Converter

Feb 10th 2014
The LTC®3784 is a high performance PolyPhase® single output synchronous boost converter controller that drives two N-channel power MOSFET stages out-of-phase. Multiphase operation reduces input and output capacitor requirements and allows the use of smaller inductors than the single-phase equivalent. Synchronous rectification ...

Circuit 

 

LTC3784 High Efficiency 2-Phase 24V, 8A Boost Converter with Inductor DCR Current Sensing

Feb 10th 2014
The LTC®3784 is a high performance PolyPhase® single output synchronous boost converter controller that drives two N-channel power MOSFET stages out-of-phase. Multiphase operation reduces input and output capacitor requirements and allows the use of smaller inductors than the single-phase equivalent. Synchronous rectification ...

Circuit 

 

LTC3784 High Efficiency 2-Phase 28V, 8A Boost Converter

Feb 10th 2014
The LTC®3784 is a high performance PolyPhase® single output synchronous boost converter controller that drives two N-channel power MOSFET stages out-of-phase. Multiphase operation reduces input and output capacitor requirements and allows the use of smaller inductors than the single-phase equivalent. Synchronous rectification ...

Circuit 

 

80V Synchronous SEPIC/Inverting/Boost Controller IC with 3 Regulation Loops

Matt Topp - SPower Design Section Leader Feb 10th 2014
In today’s modern electronic systems, the need for power conversion circuits that can do more than simply convert one voltage to another is growing. Some systems require a constant current output, or a constant voltage output, others may require the current to flow from input to output or output to input. All of these ...

Video 

 

80V Synchronous SEPIC/Inverting/Boost DC/DC Controller Delivers up to 10A Output Current

Jan 28th 2014
MILPITAS, CA - January 28, 2014 - Linear Technology Corporation announces the LT8710, our first synchronous SEPIC, inverting, boost and flyback multi-topology DC/DC controller. This synchronous device replaces the output diode with a high efficiency P-channel MOSFET, increasing efficiency, maximum output current (up to 10A) ...

Press Release 

 

LT8710 300kHz, 3A Sealed Lead Acid Battery Charger with an Optional Negative Temp-Co Bulk and Float Battery Voltage

Jan 15th 2014
The LT8710 is a synchronous PWM DC/DC controller with a rail-to-rail output current monitor and control. The LT8710 is ideal for many types of power supply topologies and can be easily configured for boost, SEPIC, inverting, or flyback configurations. The LT8710’s rail-to-rail output current monitor and control allows ...

Circuit 

 

LT8710 300kHz, SuperCap Backup Power

Jan 15th 2014
The LT8710 is a synchronous PWM DC/DC controller with a rail-to-rail output current monitor and control. The LT8710 is ideal for many types of power supply topologies and can be easily configured for boost, SEPIC, inverting, or flyback configurations. The LT8710’s rail-to-rail output current monitor and control allows ...

Circuit 

 

LT8710 200kHz, Wide Input Range SEPIC Converter Generates a 5V Output with Up to 5A Output Current

Jan 15th 2014
The LT8710 is a synchronous PWM DC/DC controller with a rail-to-rail output current monitor and control. The LT8710 is ideal for many types of power supply topologies and can be easily configured for boost, SEPIC, inverting, or flyback configurations. The LT8710’s rail-to-rail output current monitor and control allows ...

Circuit 

 

LT8710 300kHz, –5V to 5V Output Cleanly Transitions Through 0V with 3A Source and Sink Capability

Jan 15th 2014
The LT8710 is a synchronous PWM DC/DC controller with a rail-to-rail output current monitor and control. The LT8710 is ideal for many types of power supply topologies and can be easily configured for boost, SEPIC, inverting, or flyback configurations. The LT8710’s rail-to-rail output current monitor and control allows ...

Circuit 

 

LT8710 300kHz, 4.5V to 25V Input to –5V Output Delivers Up to 7A Output Current

Jan 15th 2014
The LT8710 is a synchronous PWM DC/DC controller with a rail-to-rail output current monitor and control. The LT8710 is ideal for many types of power supply topologies and can be easily configured for boost, SEPIC, inverting, or flyback configurations. The LT8710’s rail-to-rail output current monitor and control allows ...

Circuit 

 

LT8710 400kHz, 12V Boost Converter Delivers Up to 6A from a 4.5V to 9V Input

Jan 15th 2014
The LT®8710 is a synchronous PWM DC/DC controller with a rail-to-rail output current monitor and control. The LT8710 is ideal for many types of power supply topologies and can be easily configured for boost, SEPIC, inverting, or flyback configurations. The LT8710’s rail-to-rail output current monitor and control allows ...

Circuit 

 

DC349B - LTC1700EMS | No Rsense, 2.5Vin to 3.3Vout @ 1A or 5.0Vout @ 800mA

Jun 27th 2013
Demonstration Circuit DC349B demonstrates a synchronous step-up DC/DC converter using the LTC1700 controller. The LTC1700 is a current mode No RSENSE™ synchronous step-up controller with up to 95% efficiency. Applications include 2.5V to 3.3V or 5V converters, 2.5V to 5V converters, single cell Li-Ion to 5V applications ...

Demo Board 

 

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