SNVAAB5
March 2026
LM5190
1
Abstract
1
Introduction: Anomalous Frequency Drop in the LM5190
2
Analysis of LM5190 Operating Mechanism
3
Turning point 1~3: Analysis of LM5190 Frequency Drop Operation
4
Turning point 3~Fully PFM entering point: Analysis of LM5190 PFM/PWM Hybrid Mode Operation
5
Entering PFM: Analysis of LM5190 PFM Operation Characteristics
6
Summary
7
References:
7
References:
LM5190 datasheet
LM5190EVM User Guide
Understanding ECO-MODE⢠Operation