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Solutions Search - Isolated DC-DC Solutions

LT8315 12V High Input Voltage Isolated Flyback Converter

Jan 19th 2017
The LT®8315 is a high voltage flyback converter with integrated 630V/300mA switch. No opto-isolator is needed for regulation. The device samples the output voltage from the isolated flyback waveform appearing across a third winding on the transformer. Quasi-resonant boundary mode operation improves load regulation, reduces ...

Circuit 

 

LT8315 83% Efficiency 5V/1.5A Isolated Flyback Converter

Jan 19th 2017
The LT®8315 is a high voltage flyback converter with integrated 630V/300mA switch. No opto-isolator is needed for regulation. The device samples the output voltage from the isolated flyback waveform appearing across a third winding on the transformer. Quasi-resonant boundary mode operation improves load regulation, reduces ...

Circuit 

 

DC2199B-C - LTC3765EMSE/LTC3766EGN Isolated Demo Board | Forward Converter with Sync Rectification, 36V ≤ VIN ≤ 60V; VOUT = 56V @ 5.4A

Nov 29th 2016
Demonstration circuit 2199B-C is a 300W isolated forward converter with synchronous rectification featuring the LTC3765/LTC3766 chip-set. It produces a regulated 56V, 5.4A output from an input voltage range of 36V to 60V. ...

Demo Board 

 

DC2138B - LT8301ES5 Isolated Demo Board | No-Opto Flyback, 10V ≤ VIN ≤ 32V, VOUT = 5V @ 0.7A to 1A

Oct 19th 2016
Demonstration circuit 2138B is an isolated flyback converter featuring the LT®8301. This demo circuit outputs 5V from a 10V to 32V input, with a nominal of 24V. The output current capability increases with the input voltage. The standby input current of the demo circuit is less than 950μA (typical) at VIN = 24V. ...

Demo Board 

 

DC2490A - LT8303ES5 Isolated Demo Board | No-Opto Flyback, 36V ≤ VIN ≤ 72V, VOUT = 5V @ up to 0.84A

Sep 7th 2016
Demonstration circuit 2490A is a micropower no-opto isolated flyback converter featuring the LT®8303. This demo circuit outputs 5V, and maintains tight regulation with a load current from 2.5mA to 0.84A over an input voltage from 36V to 72V. The output current capability increases with the input voltage, as shown in the ...

Demo Board LTspice 

 

LT8303 30V to 80Vin, 3.3Vout Isolated Flyback Converter

Aug 31st 2016
The LT8303 is a micropower high voltage isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with a single external resistor. Internal compensation and soft-start ...

Circuit 

 

LT8303 30V to 80Vin, 5Vout Isolated Flyback Converter

Aug 31st 2016
The LT8303 is a micropower high voltage isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with a single external resistor. Internal compensation and soft-start ...

Circuit 

 

LT8303 30V to 80Vin, 12Vout Isolated Flyback Converter

Aug 31st 2016
The LT8303 is a micropower high voltage isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with a single external resistor. Internal compensation and soft-start ...

Circuit 

 

LT8303 30V to 80Vin, 24Vout Isolated Flyback Converter

Aug 31st 2016
The LT8303 is a micropower high voltage isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with a single external resistor. Internal compensation and soft-start ...

Circuit 

 

LT8303 30V to 80Vin, 48Vout Isolated Flyback Converter

Aug 31st 2016
The LT8303 is a micropower high voltage isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with a single external resistor. Internal compensation and soft-start ...

Circuit 

 

LT8304 18V to 80VIN/5VOUT Isolated Flyback Converter

Jun 9th 2016
The LT®8304 is a monolithic micropower isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with two external resistors and a third optional temperature compensation ...

Circuit 

 

LT8304 18V to 80VIN/3.3VOUT Isolated Flyback Converter

Jun 9th 2016
The LT®8304 is a monolithic micropower isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with two external resistors and a third optional temperature compensation ...

Circuit 

 

LT8304 18V to 80VIN/24VOUT Isolated Flyback Converter

Jun 9th 2016
The LT®8304 is a monolithic micropower isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with two external resistors and a third optional temperature compensation ...

Circuit 

 

LT8304 18V to 80VIN/48VOUT Isolated Flyback Converter

Jun 9th 2016
The LT®8304 is a monolithic micropower isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with two external resistors and a third optional temperature compensation ...

Circuit 

 

LT8304 18V to 80VIN/12VOUT Isolated Flyback Converter

Jun 9th 2016
The LT®8304 is a monolithic micropower isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with two external resistors and a third optional temperature compensation ...

Circuit 

 

DC2324A-C - LT3753EFE Isolated Demo Board | Sync Forward Controller with Active Clamp, 9V ≤ VIN ≤ 18V; VOUT = 24V @ 4A

May 25th 2016
Demonstration circuits 2324A-A, 2324A-B, and 2324A-C are active clamp forward converters with synchronous rectification featuring the LT®3753. These circuits were designed to demonstrate the high level of performance, efficiency and small solution size attainable using this part. They operate at 240kHz. The DC2324A-A produces ...

Demo Board 

 

DC2324A-B - LT3753EFE Demo Board | Isolated Forward Converter, 18V ≤ VIN ≤ 36V; VOUT = 24V @ 5A

May 25th 2016
Demonstration circuits 2324A-A, 2324A-B, and 2324A-C are active clamp forward converters with synchronous rectification featuring the LT®3753. These circuits were designed to demonstrate the high level of performance, efficiency and small solution size attainable using this part. They operate at 240kHz. The DC2324A-A produces ...

Demo Board 

 

DC2324A-A - LT3753EFE Demo Board | Isolated Forward Converter, 36V ≤ VIN ≤ 72V; VOUT = 24V @ 5A

May 25th 2016
Demonstration circuits 2324A-A, 2324A-B, and 2324A-C are active clamp forward converters with synchronous rectification featuring the LT®3753. These circuits were designed to demonstrate the high level of performance, efficiency and small solution size attainable using this part. They operate at 240kHz. The DC2324A-A produces ...

Demo Board 

 

DC2393A - LT8304ES8E Isolated Demo Board | No-Opto Flyback, 18V ≤ VIN ≤ 72V; VOUT = 5V @ 2A to 4.2A

May 25th 2016
Demonstration circuit 2393A is a micropower no-opto isolated flyback converter featuring the LT®8304. This demo circuit outputs 5.0V, and maintains tight regulation with a load current from 20mA up to 4.2A and over an input voltage from 18V to 72V. The output current capability increases with the input voltage, as shown ...

Demo Board LTspice 

 

DC2175A - LT3752IFE/LT8311IFE Demo Board | Forward Converter with Sync Rectification, 9V ≤ VIN ≤ 36V; Vout = 12V @ 13A

Apr 27th 2016
Demonstration circuit 2175A is an active clamp forward converter with synchronous rectification featuring the LT®3752/LT8311 chipset. This circuit was designed to demonstrate the high levels of performance, efficiency and high power. It operates at 200kHz and produces a regulated 12V, 13A output from a wide input voltage ...

Demo Board 

 

DC2358A - LTM8068 Demo Board | 2kV AC Isolated μModule Flyback with LDO, 4.5V ≤ VIN ≤ 40V, Vout1 = 5.6V @ up to 460mA, Vout2 = 5V Post-Reg LDO

Mar 10th 2016
The Demo Circuit 2358A is a 2kV AC isolated flyback μModule® DC/DC converter with LDO post regulator featuring the LTM8068. The demo circuit is designed for a 5.6V flyback output and a 5V post regulator output from a 4.5V to 40V input. The current capability of the 5.6V flyback output (VOUT1) varies with input voltage ...

Demo Board LTspice 

 

DC2357A - LTM8067 Demo Board | 2kV AC Isolated Flyback μModule, 4.5V ≤ VIN ≤ 40V, Vout = 5V @ up to 500mA

Mar 10th 2016
The Demo circuit 2357A is a 2kV AC isolated flyback μModule® DC/DC converter featuring the LTM8067. The demo circuit is designed for a 5V flyback output from a 4.5V to 40V input. The typical current capability of the 5V flyback output varies with input voltage from about 200mA at 4.5VIN to about 500mA at 40VIN. See Figure ...

Demo Board LTspice 

 

LTM8067 2kVAC Isolated μModule Regulator

Feb 1st 2016
The LTM®8067 is a 2kVAC isolated flyback μModule® (power module) DC/DC converter. Included in the package are the switching controller, power switches, transformer, and all support components. Operating over an input voltage range of 2.8V to 40V, the LTM8067 supports an output voltage range of 2.5V to 24V, set by ...

Circuit LTspice 

 

LT8331 40V to 80V Input, 5V Isolated Output Converter

Nov 4th 2015
The LT®8331 is a current mode DC/DC converter with a 140V, 0.5A switch operating from a 4.5V to 100V input. With a unique single feedback pin architecture, it is capable of boost, SEPIC, flyback or inverting configurations. Burst Mode operation consumes as low as 6μA quiescent current to maintain high efficiency at very ...

Circuit 

 

DC2306A - LT3753EFE Isolated Demo Board | Forward Converter, 10V ≤ VIN ≤ 54V; VOUT = 48V or 54V (Jumper Selectable) @ 1.5A

Aug 24th 2015
Demonstration circuit 2306A is an active clamp forward converter featuring the LT®3753. This circuit was designed to demonstrate the high level of performance and efficiency that can be attained with the LT3753. It operates at 100kHz and produces a regulated 54V, 1.5A output from a wide input voltage range of 10V to 54V, ...

Demo Board LTspice 

 

DC2199A-B - LTC3765EMSE/LTC3766EGN Isolated Demo Board | Forward Converter with Sync Rectification, 36V ≤ VIN ≤ 60V; VOUT = 24V @ 15A

Jun 2nd 2015
Demonstration circuit 2199A-B is a 360W isolated forward converter with synchronous rectification featuring the LTC3765/LTC3766 chip-set. It produces a regulated 24V, 15A output from an input voltage range of 36V to 60V. ...

Demo Board LTspice 

 

LT3752/LT8311 48Vin, 24Vout Active Clamp Forward Converter with High Light Load Efficiency

Fei Guo - Apps Engineer
Gabino Alonso - Strategic Marketing Engineer
Feb 11th 2015
The LT3752 includes a number of programmable features that make it suitable for this application. For instance, programmable delays between various gate signals is used to prevent cross-conduction and to optimize efficiency, and programmable turn-on current spike blanking (adaptive leading edge blanking plus programmable extended ...

Blog Post Circuit 

 

LT8310/LT1431 81W Isolated Forward Converter with Opto Feedback; VIN = 12V/24V, VOUT = 54V@1.5A

George Qian - Senior Applications Engineer
Gabino Alonso - Strategic Marketing Engineer
Jan 30th 2015
The LT8310 is a constant-frequency resonant reset forward converter controller with a low side N-channel MOSFET gate driver. The LT8310 has a wide input voltage range from 6V to 100V. Its switching frequency can be programed from 100kHz to 500kHz to optimize efficiency, performance or external component size. The LT8310's protection ...

Blog Post Circuit LTspice 

 

DC2049A - LT3999EMSE Isolated Demo Board | Dual Output Push-Pull Transformer Driver, 10V ≤ VIN ≤ 15.5V; VOUT = ±12V @ 0.2A

Nov 24th 2014
The DC2049A demonstrates how a power supply regulates two output voltage by using the LT®3999 and low dropout (LDO) regulators. The LT3999 is a monolithic push-pull DC/DC driver which features a wide input range and small external passive components. The LT3999 has duty circle control for ΔVIN compensation, which ...

Demo Board 

 

DC1694B - LT3748EMS Isolated Demo Board | No-Opto Flyback, 22V ≤ VIN ≤ 75V; VOUT = 12V @ 2.5A

Nov 18th 2014
Demonstration circuit 1694B is an isolated flyback converter featuring the LT®3748. The demo circuit is designed for a 12V output from a 22V to 75V DC input. The output current is up to 2.5A. The part senses the isolated output voltage directly from the primary side flyback waveform during the off time of the power switch. ...

Demo Board 

 

DC2015A - LT8310EFE/LT8311EFE Isolated Demo Board | 36V ≤ VIN ≤ 72V; VOUT = 12V @ 12A

Nov 3rd 2014
Demonstration circuit 2015A is a resonant reset forward converter with synchronous rectification featuring the LT®8310/LT8311 chipset. This circuit was designed to demonstrate the high levels of performance, efficiency, and small solution size attainable using these parts. It operates at 240kHz and produces a regulated 12V, ...

Demo Board 

 

DC2199A-A - LTC3765EMSE/LTC3766EGN Isolated Demo Board | Forward Converter, 36V ≤ VIN ≤ 60V; VOUT = 12V @ 30A

Oct 24th 2014
Demonstration circuit 2199A-A is a 360W isolated forward converter with synchronous rectification featuring the LTC3765/LTC3766. It produces a regulated 12V, 30A output from an input voltage range of 36V to 60V. ...

Demo Board LTspice 

 

LT3999 12V to 12V, 10W Low Noise Isolated DC/DC Converter

Sep 12th 2014
The LT®3999 is a monolithic, high voltage, high frequency DC/DC transformer driver providing isolated power in a small solution footprint. ...

Circuit 

 

LT3999 5V to 12V, 10W Low Power Push-Pull DC Transformer

Sep 12th 2014
The LT®3999 is a monolithic, high voltage, high frequency DC/DC transformer driver providing isolated power in a small solution footprint. ...

Circuit 

 

DC1963A - LT8310EFE Demo Board | Isolated Forward Converter, 36V ≤ VIN ≤ 72V; VOUT = 12V @ 6A

Aug 18th 2014
Demonstration circuit 1963A is a resonant reset forward converter featuring the LT®8310 controller. This circuit was designed to demonstrate the high level of performance, and small solution size attainable using the LT8310. It operates at a 250kHz switching frequency, and regulates a 12V, 6A output from a 36V to 72V input ...

Demo Board LTspice 

 

LT8310/LTC3900 78W Isolated Synchronous Forward Converter

Aug 12th 2014
The LT®8310 is a simple-to-use resonant reset forward converter controller that drives the gate of a low side N-channel MOSFET from an internally regulated 10V supply. The LT8310 features duty mode control that generates a stable, regulated, isolated output using a single power transformer. With the addition of output voltage ...

Circuit 

 

LT8310/LT4430 78W Isolated Nonsynchronous Forward Converter with Opto Feedback

Aug 12th 2014
The LT®8310 is a simple-to-use resonant reset forward converter controller that drives the gate of a low side N-channel MOSFET from an internally regulated 10V supply. The LT8310 features duty mode control that generates a stable, regulated, isolated output using a single power transformer. With the addition of output voltage ...

Circuit 

 

LT8310/LT3900 Wide VIN, 60W Isolated 8V Rail for Low Voltage Regulators

Aug 12th 2014
The LT®8310 is a simple-to-use resonant reset forward converter controller that drives the gate of a low side N-channel MOSFET from an internally regulated 10V supply. The LT8310 features duty mode control that generates a stable, regulated, isolated output using a single power transformer. With the addition of output voltage ...

Circuit 

 

LT8310/LT8311 94% Efficient, 150W Isolated Synchronous Forward Converter

Aug 12th 2014
The LT®8310 is a simple-to-use resonant reset forward converter controller that drives the gate of a low side N-channel MOSFET from an internally regulated 10V supply. The LT8310 features duty mode control that generates a stable, regulated, isolated output using a single power transformer. With the addition of output voltage ...

Circuit 

 

LT3752/LT8311 240W Isolated Forward Converter

Randyco Prasetyo - Applications Engineer Jul 28th 2014
The LT3752 includes a number of programmable features that make it suitable for this application. For instance, programmable delays between various gate signals is used to prevent cross-conduction and to optimize efficiency, and programmable turn-on current spike blanking (adaptive leading edge blanking plus programmable extended ...

Blog Post Circuit 

 

Increasing Output Voltage and Current Range Using Series-Connected Isolated μModule Converters

Jesus Rosales - Applications Engineer
Willie Chan - Sr PME Power Modules
Jul 22nd 2014
Design Note DN530: Introduction Linear Technology’s isolated μModule® converters are compact solutions for breaking ground loops. These converters employ a flyback architecture whose maximum output current varies with input voltage and output voltage. Although their output voltage range is limited to a maximum ...

Blog Post Circuit LTspice 

 

DC1987A - LTM8057 Demo Board | 2kVAC Isolated Flyback μModule Converter, 4.5V ≤ VIN ≤ 29V, Vout = 5V @ Up to 350mA

Jul 1st 2014
The Demo circuit 1987A is a 2kV AC isolated flyback μModule® DC/DC converter featuring the LTM8057. The demo circuit is designed for a 5V flyback output from a 4.5V to 29V input. The typical current capability of the 5V flyback output varies with input voltage from about 110mA at 4.5VIN to about 350mA at 29VIN. Figure ...

Demo Board LTspice 

 

Miniature Isolated Solution Using LT8301 and Coupled Inductor

Bryan Legates - Director of Design Engineering
Chen Zheng - Design Engineer
Jun 19th 2014
Customers that require miniature solutions with only functional isolation often choose isolated modules. These solutions have very bulky form factors, and typically do not provide high power efficiency or a low no-load input current. In addition, the output voltages of these modules are usually unregulated, having large VOUT ...

Blog Post Circuit 

 

LTM8057 8V Flyback Converter

May 19th 2014
The LTM®8057 is a 2kV AC isolated flyback μModule® (micromodule) DC/DC converter. Included in the package are the switching controller, power switches, transformer, and all support components. Operating over an input voltage range of 3.1V to 31V, the LTM8057 supports an output voltage range of 2.5V to 12V, set by ...

Circuit 

 

LTM8057 2.5V Flyback Converter

May 19th 2014
The LTM®8057 is a 2kV AC isolated flyback μModule® (micromodule) DC/DC converter. Included in the package are the switching controller, power switches, transformer, and all support components. Operating over an input voltage range of 3.1V to 31V, the LTM8057 supports an output voltage range of 2.5V to 12V, set by ...

Circuit 

 

LTM8057 12V Flyback Converter with Low Noise Bypass

May 19th 2014
The LTM®8057 is a 2kV AC isolated flyback μModule® (micromodule) DC/DC converter. Included in the package are the switching controller, power switches, transformer, and all support components. Operating over an input voltage range of 3.1V to 31V, the LTM8057 supports an output voltage range of 2.5V to 12V, set by ...

Circuit 

 

LTM8057 3.3V Flyback Converter

May 19th 2014
The LTM®8057 is a 2kV AC isolated flyback μModule® (micromodule) DC/DC converter. Included in the package are the switching controller, power switches, transformer, and all support components. Operating over an input voltage range of 3.1V to 31V, the LTM8057 supports an output voltage range of 2.5V to 12V, set by ...

Circuit 

 

DC2050A - LT3753EFE Isolated Demo Board | Sync Forward Controller with Active Clamp, 36V ≤ VIN ≤ 72V; VOUT = 5V @ 20A

Apr 22nd 2014
Demonstration circuit 2050A is an active clamp forward converter with synchronous rectification featuring the LT®3753. This circuit was designed to demonstrate the high level of performance, efficiency, and small solution size attainable using this part. It operates at 250kHz and produces a regulated 5V, 20A output from ...

Demo Board 

 

DC1929A - LT3752EFE-1/ LT8311EFE Demo Board | 150V ≤ VIN ≤ 400V, VOUT = 12V @ 16.7A

Apr 14th 2014
Demonstration circuit 1929A is a 200W active clamp forward converter featuring the LT®3752-1/LT8311 chipset. The LT8311 is a secondary-side synchronous rectifier controller. The solution operates at about 100kHz and produces an isolated, regulated 12V / 16.7A output from an input voltage ranging from 150V to 400V, making ...

Demo Board LTspice 

 

LTM8058 2kV AC Isolated 5V uModule Flyback Converter with Low Noise Bypass

Apr 14th 2014
The LTM®8058 is a 2kV AC isolated flyback μModule® (micromodule) DC/DC converter with LDO post regulator. Included in the package are the switching controller, power switches, transformer, LDO, and all support components. Operating over an input voltage range of 3.1V to 31V, the LTM8058 supports an output voltage ...

Circuit 

 

LTM8058 2kV AC Isolated 3.3V and 2.5V uModule Flyback Converter

Apr 14th 2014
The LTM®8058 is a 2kV AC isolated flyback μModule® (micromodule) DC/DC converter with LDO post regulator. Included in the package are the switching controller, power switches, transformer, LDO, and all support components. Operating over an input voltage range of 3.1V to 31V, the LTM8058 supports an output voltage ...

Circuit 

 

LTM8058 2kV AC Isolated 5V Low Noise μModule Regulator

Apr 14th 2014
The LTM®8058 is a 2kV AC isolated flyback μModule® (micromodule) DC/DC converter with LDO post regulator. Included in the package are the switching controller, power switches, transformer, LDO, and all support components. Operating over an input voltage range of 3.1V to 31V, the LTM8058 supports an output voltage ...

Circuit LTspice 

 

LTM8058 2kV AC Isolated 12V uModule Flyback Converter with Low Noise Bypass

Apr 14th 2014
The LTM®8058 is a 2kV AC isolated flyback μModule® (micromodule) DC/DC converter with LDO post regulator. Included in the package are the switching controller, power switches, transformer, LDO, and all support components. Operating over an input voltage range of 3.1V to 31V, the LTM8058 supports an output voltage ...

Circuit 

 

LTM8058 2kV AC Isolated 3.3V uModule Flyback Converter

Apr 14th 2014
The LTM®8058 is a 2kV AC isolated flyback μModule® (micromodule) DC/DC converter with LDO post regulator. Included in the package are the switching controller, power switches, transformer, LDO, and all support components. Operating over an input voltage range of 3.1V to 31V, the LTM8058 supports an output voltage ...

Circuit 

 

LT3753 18V to 72V, 12V/8A Active Clamp Isolated Forward Converter

Apr 10th 2014
The LT®3753 is a current mode PWM controller optimized for an active clamp forward converter topology, allowing up to 100V input operation. ...

Circuit 

 

LT3752 75V to 150V, 24V/14A 340W No-Opto, Active Clamp Isolated Forward Converter

Mar 4th 2014
The LT®3752/LT3752-1 are current mode PWM controllers optimized for an active clamp forward converter topology. A DC/DC housekeeping controller is included for improved efficiency and performance. The LT3752 allows operation up to 100V input and the LT3752-1 is optimized for applications with input voltages greater than ...

Circuit 

 

LT3752-1 150V to 400V, 12V/16.7A, 200W Active Clamp Isolated Forward Converter

Mar 4th 2014
The LT®3752/LT3752-1 are current mode PWM controllers optimized for an active clamp forward converter topology. A DC/DC housekeeping controller is included for improved efficiency and performance. The LT3752 allows operation up to 100V input and the LT3752-1 is optimized for applications with input voltages greater than ...

Circuit 

 

LT3752 18V to 72V, 12V/12.5A, 150W No-Opto, Active Clamp Isolated Forward Converter

Mar 4th 2014
The LT®3752/LT3752-1 are current mode PWM controllers optimized for an active clamp forward converter topology. A DC/DC housekeeping controller is included for improved efficiency and performance. The LT3752 allows operation up to 100V input and the LT3752-1 is optimized for applications with input voltages greater than ...

Circuit 

 

DC1994A - LT3752EFE/LT8311EFE Isolated Demo Board | 18V ≤ VIN ≤ 72V; VOUT: 12V @ 12A

Feb 26th 2014
Demonstration circuit 1994A is an active clamp forward converter with synchronous rectification featuring the LT®3752/LT8311 chipset. This circuit was designed to demonstrate the high levels of performance, efficiency, and small solution size attainable using these parts. It operates at 240kHz and produces a regulated 12V, ...

Demo Board LTspice 

 

DC1961A - LT8309ES5/LT3748EMS Isolated Demo Board | 36V ≤ VIN ≤ 72V; VOUT = 12V @ 5A

Feb 24th 2014
Demonstration circuit 1961A features the LT®8309, a secondary synchronous driver in an isolated, no optocoupler, flyback converter. It regulates a 12V, 5A output from a 36V to 72V input source. Output regulation is handled on the primary side by the LT3748, a boundary conduction mode flyback controller which senses output ...

Demo Board LTspice 

 

LT8301 2.7V to 36VIN/15VOUT Micropower Isolated Flyback Converter

Feb 24th 2014
The LT®8301 is a micropower isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with a single external resistor. Internal compensation and soft-start further ...

Circuit 

 

LT8301 8V to 36VIN/48VOUT Micropower Isolated Flyback Converter

Feb 24th 2014
The LT®8301 is a micropower isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with a single external resistor. Internal compensation and soft-start further ...

Circuit 

 

LT8301 8V to 36VIN/3.3VOUT Micropower Isolated Flyback Converter

Feb 24th 2014
The LT®8301 is a micropower isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with a single external resistor. Internal compensation and soft-start further ...

Circuit 

 

LT8301 2.7V to 36VIN/5VOUT Micropower Isolated Flyback Converter

Feb 24th 2014
The LT®8301 is a micropower isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with a single external resistor. Internal compensation and soft-start further ...

Circuit 

 

LT8301 8V to 36VIN/12VOUT Micropower Isolated Flyback Converter

Feb 24th 2014
The LT®8301 is a micropower isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with a single external resistor. Internal compensation and soft-start further ...

Circuit 

 

LT8301 8V to 36VIN/24VOUT Micropower Isolated Flyback Converter

Feb 24th 2014
The LT®8301 is a micropower isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with a single external resistor. Internal compensation and soft-start further ...

Circuit 

 

DC2014A - LT8302ES8E Isolated Demo Board | 10V ≤ VIN ≤ 30V, VOUT = 5V @ 2.2A

Nov 11th 2013
Demonstration circuit 2014A is a micropower No-Opto isolated flyback converter featuring the LT®8302. This demo circuit outputs 5V, and maintains tight regulation with a load current from 10mA to 2.2A over an input voltage from 10V to 30V. The output current capability increases with the input voltage. ...

Demo Board LTspice 

 

LT8302 8V to 32VIN/5VOUT Isolated Flyback Converter with LT8309

Nov 1st 2013
The LT®8302 is a monolithic micropower isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with two external resistors and a third optional temperature compensation ...

Circuit 

 

LT8302 2.8V to 32Vin to 5V@2.9A Isolated Flyback Converter

Nov 1st 2013
The LT8302 is a monolithic micropower isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with two external resistors and a third optional temperature compensation ...

Circuit 

 

LT8302 8V to 36VIN/48VOUT Isolated Flyback Converter

Nov 1st 2013
The LT®8302 is a monolithic micropower isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with two external resistors and a third optional temperature compensation ...

Circuit 

 

LT8302 8V to 32VIN/3.3VOUT Isolated Flyback Converter

Nov 1st 2013
The LT®8302 is a monolithic micropower isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with two external resistors and a third optional temperature compensation ...

Circuit 

 

LT8302 8V to 36VIN/±12VOUT Isolated Flyback Converter

Nov 1st 2013
The LT®8302 is a monolithic micropower isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with two external resistors and a third optional temperature compensation ...

Circuit 

 

LT8302 8V to 36VIN/24VOUT Isolated Flyback Converter

Nov 1st 2013
The LT®8302 is a monolithic micropower isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with two external resistors and a third optional temperature compensation ...

Circuit 

 

LT8302 8V to 32VIN/12VOUT Isolated Flyback Converter

Nov 1st 2013
The LT®8302 is a monolithic micropower isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with two external resistors and a third optional temperature compensation ...

Circuit 

 

DC1739B-C - LTC3765EMSE/LTC3766EGN Isolated Demo Board | Forward Converter, 9V ≤ VIN ≤ 36V; VOUT = 12V @ 10A

Oct 9th 2013
Demonstration circuit 1739B-C is a 120W isolated forward converter with synchronous rectification featuring the LTC®3765/LTC3766 chip set. This circuit demonstrates the high level of performance, efficiency, and small solution size attainable using this chipset in an active-clamp-reset forward converter power supply. It ...

Demo Board LTspice 

 

DC1860B - LT3748EMS Isolated Demo Board | 10V ≤ Vin ≤ 15V; Vout = 52.5V @ 0.7A

Jan 29th 2013
Demonstration circuit 1860B is an isolated flyback converter featuring the LT3748. This demo circuit is designed for Power Sourcing Equipment (PSE) applications with a 52.5V output from a 10V to 15V DC input, with nominal input voltage of 12V. The output current is from 0mA to 700mA, and is capable of a maximum short period ...

Demo Board 

 

Simple and Efficient Sub-2W Isolated Power Supply

Min Chen - Senior Design Engineer Nov 5th 2012
The non-synchronous flyback topology is widely used in isolated power supplies ranging from sub watt power levels to tens of watts. With more green-mode standards emerging around the world, improving light load efficiency and reducing no-load input standby current are more demanding than ever. Unfortunately, the traditional ...

Video 

 

DC1825A - LT8300ES5 Demo Board | Isolated Flyback, 22V ≤ VIN ≤ 75V, VOUT = 5V @ 250mA

Sep 26th 2012
Demonstration circuit 1825A is an isolated flyback converter featuring the LT®8300. This demo circuit outputs 5.0V, and maintains tight regulation with a load current from ~1mA to 250mA and over an input from 22V to 75V, with a nominal 48V. The output current capability increases with the input voltage. The DC1825A needs ...

Demo Board LTspice 

 

LT8300 5V Micropower Isolated Flyback Converter

Aug 14th 2012
The LT®8300 is a micropower high voltage isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with a single external resistor. Internal compensation and soft-start ...

Circuit 

 

LT8300 3.3V Micropower Isolated Flyback Converter

Aug 14th 2012
The LT®8300 is a micropower high voltage isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with a single external resistor. Internal compensation and soft-start ...

Circuit 

 

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