AN-2292 Designing an Isolated Buck (Fly-Buck) Converter (Rev. C)

Texas Instruments

Published Date: 12/17/2014

Description

In many applications one or more low-cost simple to use isolated power supplies working from input voltages up to 100 V are needed. Traditional solutions use flyback converters to generate this bias supply. Flyback designs typically utilize asymmetric transformers turns ratios for primary and secondary power windings with an optocoupler and reference or an auxiliary winding for feedback regul

Parts

Part Number Name Companion Part
LM25017MRX/NOPB LM25017MRX/NOPB Buy Datasheet
LM25017SDE/NOPB LM25017SDE/NOPB Buy Datasheet
LM25018MR/NOPB LM25018MR/NOPB Buy Datasheet
LM25018MRX/NOPB LM25018MRX/NOPB Buy Datasheet
LM25018SD/NOPB LM25018SD/NOPB Buy Datasheet
LM25018SDE/NOPB LM25018SDE/NOPB Buy Datasheet
LM25018SDX/NOPB LM25018SDX/NOPB Buy Datasheet
LM25019MRX/NOPB LM25019MRX/NOPB Buy Datasheet
LM25019SD/NOPB LM25019SD/NOPB Buy Datasheet
LM25019SDX/NOPB LM25019SDX/NOPB Buy Datasheet
LM34925MRX/NOPB LM34925MRX/NOPB Buy Datasheet
LM34925SD/NOPB LM34925SD/NOPB Buy Datasheet
LM34925SDX/NOPB LM34925SDX/NOPB Buy Datasheet
LM34926MRX/NOPB LM34926MRX/NOPB Buy Datasheet
LM34926SD/NOPB LM34926SD/NOPB Buy Datasheet
LM34926SDX/NOPB LM34926SDX/NOPB Buy Datasheet
LM34927MRX/NOPB LM34927MRX/NOPB Buy Datasheet
LM34927SD/NOPB LM34927SD/NOPB Buy Datasheet
LM5018MRX/NOPB LM5018MRX/NOPB Buy Datasheet