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Solutions Search - LT3748 - 100V Isolated Flyback Controller

LT3748 5V, 2A Output from Automotive Input with Continuous Operation from 6V to 45V

Jul 20th 2010
The LT3748 is a switching regulator controller specifically designed for the isolated flyback topology and capable of high power. It drives a low side external N-channel power MOSFET from an internally regulated 7V supply. No third winding or opto-isolator is required for regulation as the part senses the isolated output voltage ...

Circuit LTspice 

 

LT3748/LT8309 40W, 5V Isolated Telecom Supply

Jul 20th 2010
The LT®8309 is a secondary-side synchronous rectifier driver that replaces the output rectifier diode in a flyback topology. By replacing the diode with a N-channel MOSFET, applications are no longer restricted by the heat constraints of the output diode. The IC replicates the behavior of a diode by sensing the drain-to-source ...

Circuit LTspice 

 

LT3748 36V-72Vin to 12Vout @ 2A Output, Isolated Telecom Supply (No Opto or Third Winding)

Jul 20th 2010
The LT3748 is a switching regulator controller specifically designed for the isolated flyback topology and capable of high power. It drives a low side external N-channel power MOSFET from an internally regulated 7V supply. No third winding or opto-isolator is required for regulation as the part senses the isolated output voltage ...

Circuit LTspice 

 

LT3748/LT8309 33W, 3.3V Isolated Telecom Supply

Jul 20th 2010
The LT®8309 is a secondary-side synchronous rectifier driver that replaces the output rectifier diode in a flyback topology. By replacing the diode with a N-channel MOSFET, applications are no longer restricted by the heat constraints of the output diode. The IC replicates the behavior of a diode by sensing the drain-to-source ...

Circuit 

 

LT3748/LT8309 60W, 12V Output, Isolated Telecom Supply

Jul 20th 2010
The LT®8309 is a secondary-side synchronous rectifier driver that replaces the output rectifier diode in a flyback topology. By replacing the diode with a N-channel MOSFET, applications are no longer restricted by the heat constraints of the output diode. The IC replicates the behavior of a diode by sensing the drain-to-source ...

Circuit LTspice