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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

2021/11/23
Richtek Selection Guide (Oct., 2021)

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

2021/10/28
Power IC Solutions for IoT/Portable/Wearable/Battery-Powered Applications

2021/10/28
Automotive Product Selection Guide

2020/12/30
ACOT™ (Advanced Constant-On Time) Synchronous Step-Down Converters

2020/12/30
Power Mangement Components for Lithium-Ion Battery Powered Applications

Application Notes

Title Date Action
Power Management Introduction 2022/02/22
Power Management for Video Doorbell 2021/10/28
Application and Definition of Thermal Resistances on Datasheet 2021/10/28

Step-Down (Buck)

Title Date Action
ACOT® Stability Testing 2022/05/23
Multi-Source Power Management Design 2022/05/10
Basic Calculation of a Buck Converter’s Power Stage 2021/11/30
Car Battery Cold Crank Waveform Generator 2021/10/28
Modeling and Verification of Thermal Model for Power Management System 2021/10/28
RT6204 Wide Vin Buck Converter 2021/10/28
Analyzing VIN overstress in Power ICs 2021/10/28
RT2875 3A Automotive Buck Converter 2021/10/28
Reducing EMI in buck converters 2021/10/28
Understanding Thermal Characteristic of SOT-223 Package 2021/10/28
The Calculation of Output DC Offset for ACOT™ Control Buck Converter with Feed-forward Compensator 2021/10/28
SOT-23 FCOL Package Thermal Considerations 2019/12/12
Comparing Buck Converter Topologies 2019/12/12
Buck Converter Selection Criteria 2019/12/12
DC/DC Converter Testing with Fast Load Transient 2019/06/04
Compensation Design for Peak Current-Mode Buck Converters 2016/07/07
Powering Microcontrollers from Industrial Supply Rails 2016/06/21
Current Ripple Factor of a Buck Converter 2016/06/21
Analysis of Buck Converter Efficiency 2016/06/21
Richtek Designer Web Simulation Tool Technical Notes 2016/05/17

Multi-Phase Step-Down

Title Date Action
How PCB Mismatch Affects Common-N DCR Current Sensing in Multi-phase Applications 2021/10/28

Videos

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