PMIC – Losses in Buck Converters
Efficiency is the essential figure that reflects the quality of a switching regulator, and it is directly measured as: Efficiency = ΣPOUT/ΣPIN = Σ(VOUT*IOUT)/Σ(VIN*IIN) < 100%, where ΣPOUT - ΣPIN is…
PMIC – Switching Regulators
Index 1. Definition 2. Basic Topologies 2.1. Buck Converter 2.2. Boost Converter 2.3. Buck-Boost Converter 1. Definition LDOs can have poor power efficiency when input and output voltages differ by…
PMIC – Low Dropout (LDO) Regulators
Index 1. Introduction 2. Device 3. Compensation Skills 4. Design Consideration 1. Introduction LDO regulator is a type of linear DC-DC converter that has low quiescent current, wide bandwidth, and…
PMIC Review – Part 1
Index 1.Introduction 2.LDO 3.Switching Power Regulators 4.Ripple-Based Control Technique Part I 5.Ripple-Based Control Technique Part II 6.Single-Inductor Multiple-Output (SIMO) Converter 7.Switching-Based Battery Charger 8.Energy-Harvesting Systems 1. Introduction