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LTspice IV: Using Transformers

Transformers and coupled inductors are key components in many switching regulator designs to include flyback, forward and SEPIC converters. They perform critical function in providing an isolation barrier, enabling high step-down or step-up ratios and accommodating multiple or inverting outputs. Although it is possible to make a dedicated subcircuit for a specific transformer, LTspice IV preferred method is to define a separate inductor for each transformer winding and then couple them all together magnetically via a single Mutual Inductance (K) statement. This video will provide an overview on how to define a transformer using inductors, specify the mutual inductance via a K statement and lastly show how to add multiple windings to a simulation.

4/8/2016 6:11:48 PM

LTspice IV Using Transformers

KuvaManufacturer Part NumberKuvausSaatavana oleva määrä HintaNäytä tiedot
IC REG CTRLR MULT TOPOLOGY 10DFNLT3757AEDD#PBFIC REG CTRLR MULT TOPOLOGY 10DFN1002 - Immediate$6.67Näytä tiedot
IC REG CTRLR MULT TOPOLOGY 10DFNLT3757AEDD#TRPBFIC REG CTRLR MULT TOPOLOGY 10DFN2918 - Immediate$6.67Näytä tiedot
IC REG CTRLR MULT TOP 10MSOPLT3757AEMSE#PBFIC REG CTRLR MULT TOP 10MSOP47 - Immediate$5.96Näytä tiedot
IC REG CTRLR MULT TOP 10MSOPLT3757AEMSE#TRPBFIC REG CTRLR MULT TOP 10MSOP5138 - Immediate$5.96Näytä tiedot
IC REG CTRLR MULT TOP 10MSOPLT3757AHMSE#PBFIC REG CTRLR MULT TOP 10MSOP33 - Immediate$7.23Näytä tiedot
IC REG CTRLR MULT TOP 10MSOPLT3757AHMSE#TRPBFIC REG CTRLR MULT TOP 10MSOP0 - Immediate$4.19Näytä tiedot
IC REG CTRLR MULT TOPOLOGY 10DFNLT3757AIDD#PBFIC REG CTRLR MULT TOPOLOGY 10DFN2447 - Immediate$7.12Näytä tiedot
IC REG CTRLR MULT TOPOLOGY 10DFNLT3757AIDD#TRPBFIC REG CTRLR MULT TOPOLOGY 10DFN2420 - Immediate$7.12Näytä tiedot
IC REG CTRLR MULT TOP 10MSOPLT3757AIMSE#PBFIC REG CTRLR MULT TOP 10MSOP618 - Immediate$6.37Näytä tiedot
IC REG CTRLR MULT TOP 10MSOPLT3757AIMSE#TRPBFIC REG CTRLR MULT TOP 10MSOP2716 - Immediate$6.37Näytä tiedot
IC REG CTRLR MULT TOP 10MSOPLT3757AMPMSE#PBFIC REG CTRLR MULT TOP 10MSOP60 - Immediate$15.46Näytä tiedot
IC REG CTRLR MULT TOP 10MSOPLT3757AMPMSE#TRPBFIC REG CTRLR MULT TOP 10MSOP0 - Immediate$9.54Näytä tiedot
IC REG CTRLR MULT TOPOLOGY 10DFNLT3757EDD#PBFIC REG CTRLR MULT TOPOLOGY 10DFN560 - Immediate$5.96Näytä tiedot
IC REG CTRLR MULT TOPOLOGY 10DFNLT3757EDD#TRPBFIC REG CTRLR MULT TOPOLOGY 10DFN5631 - Immediate$5.96Näytä tiedot
IC REG CTRLR MULT TOP 10MSOPLT3757EMSE#PBFIC REG CTRLR MULT TOP 10MSOP1062 - Immediate$5.96Näytä tiedot
IC REG CTRLR MULT TOP 10MSOPLT3757EMSE#TRPBFIC REG CTRLR MULT TOP 10MSOP9190 - Immediate$5.96Näytä tiedot
IC REG CTRLR MULT TOP 10MSOPLT3757HMSE#PBFIC REG CTRLR MULT TOP 10MSOP197 - Immediate$7.23Näytä tiedot
IC REG CTRLR MULT TOP 10MSOPLT3757HMSE#TRPBFIC REG CTRLR MULT TOP 10MSOP0 - Immediate$4.19Näytä tiedot
IC REG CTRLR MULT TOPOLOGY 10DFNLT3757IDD#PBFIC REG CTRLR MULT TOPOLOGY 10DFN93 - Immediate$6.37Näytä tiedot
IC REG CTRLR MULT TOPOLOGY 10DFNLT3757IDD#TRPBFIC REG CTRLR MULT TOPOLOGY 10DFN7701 - Immediate$6.37Näytä tiedot