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Switching Regulators

Richtek switching voltage regulators provide accurate output voltage regulation with high efficiency for wide range of applications from battery-powered mobile applications, automotive applications to high power CORE supply computing applications. To select the correct type of switching regulator, you need to consider the application input and output voltage and load current conditions.

Learn more about Switching Regulators →

Step-Down (Buck)

Step-Down (Buck)

Step-Up (Boost)

Step-Up (Boost)

Step-Up or Step-Down (Buck-Boost)

Step-Up or Step-Down (Buck-Boost)

Multi-Phase Step-Down

Multi-Phase Step-Down

Digital Interface Control

Interface Control

Want to know more? Please see Buck Converter Selection Criteria.

Documents and Tools

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Selection Guides

2022/09/08
Power Mangement Components for Lithium-Ion Battery Powered Applications [Oct., 2015]

2022/09/04
ACOT™ (Advanced Constant-On Time) Synchronous Step-Down Converters [Oct., 2015]

2022/09/03
Power IC Solutions for IoT/Portable/Wearable/Battery-Powered Applications [Sep., 2018]

2022/09/03
Richtek Selection Guide [Oct., 2021]

Helping you easily find required power management components in just a few minutes.

2022/08/24
Richtek Automotive Product Selection Guide [Sep., 2022]

Finding the right product for your automotive applications.

Application Notes

Title Date Action
Application and Definition of Thermal Resistances on Datasheet 2022/09/06
Power Management for Video Doorbell 2022/09/02
Power Management Introduction 2022/08/29

Step-Down (Buck)

Title Date Action
Current Ripple Factor of a Buck Converter 2022/09/06
ACOT® Stability Testing 2022/09/06
Buck Converter Selection Criteria 2022/09/06
Multi-Source Power Management Design 2022/09/06
Comparing Buck Converter Topologies 2022/09/06
RT2875 3A Automotive Buck Converter 2022/09/06
Reducing EMI in buck converters 2022/09/06
DC/DC Converter Testing with Fast Load Transient 2022/09/06
Richtek Designer Web Simulation Tool Technical Notes 2022/09/06
Analyzing VIN overstress in Power ICs 2022/09/05
The Calculation of Output DC Offset for ACOT™ Control Buck Converter with Feed-forward Compensator 2022/09/05
Car Battery Cold Crank Waveform Generator 2022/09/05
Modeling and Verification of Thermal Model for Power Management System 2022/09/05
SOT-23 FCOL Package Thermal Considerations 2022/09/05
RT6204 Wide Vin Buck Converter 2022/09/05
Compensation Design for Peak Current-Mode Buck Converters 2022/09/05
Analysis of Buck Converter Efficiency 2022/09/04
Basic Calculation of a Buck Converter’s Power Stage 2022/09/04
Understanding Thermal Characteristic of SOT-223 Package 2022/09/04
Powering Microcontrollers from Industrial Supply Rails 2022/09/01

Multi-Phase Step-Down

Title Date Action
How PCB Mismatch Affects Common-N DCR Current Sensing in Multi-phase Applications 2022/08/27

Videos

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