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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

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

2020/12/30
Automotive Product Selection Guide

2020/12/30
Power IC Solutions for IoT/Portable/Wearable/Battery-Powered Applications

2020/12/30
Richtek Wide Input Voltage Range DC/DC Power Solutions for Industrial, Automotive and LED lighting applications

Richtek Wide Input Voltage Range DC/DC Power Solutions for Industrial, Automotive and LED lighting applications

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

2020/12/30
Richtek Selection Guide [Oct., 2020]

Application Notes

Title Date Action
Application and Definition of Thermal Resistances on Datasheet 2020/07/01
Power Management Introduction 2019/12/12

Step-Down (Buck)

Title Date Action
Modeling and Verification of Thermal Model for Power Management System 2021/01/15
ACOT® Stability Testing 2020/04/13
Analyzing VIN overstress in Power ICs 2019/12/12
The Calculation of Output DC Offset for ACOT™ Control Buck Converter with Feed-forward Compensator 2019/12/12
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
Understanding Thermal Characteristic of SOT-223 Package 2018/04/26
Reducing EMI in buck converters 2017/11/07
RT2875 3A Automotive Buck Converter 2017/10/18
RT6204 Wide Vin Buck Converter 2017/08/03
Basic Calculation of a Buck Converter’s Power Stage 2016/07/07
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

Videos

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