SNVAAB5
March 2026
LM5190
1
Abstract
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Introduction: Anomalous Frequency Drop in the LM5190
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Analysis of LM5190 Operating Mechanism
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Turning point 1~3: Analysis of LM5190 Frequency Drop Operation
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Turning point 3~Fully PFM entering point: Analysis of LM5190 PFM/PWM Hybrid Mode Operation
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Entering PFM: Analysis of LM5190 PFM Operation Characteristics
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Summary
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References:
Application Note
LM5190: Analysis of Mixed PWM and PFM Mode Operation during PFM Configuration