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Step-Down (Buck) Converters

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The following is a list of products released in the last

Part NumberDescriptionShareDatasheetFree Sample
RT6316B/RT6316C6A, 23V Synchronous Step-Down Converter with 3.3V/5V LDO Not available
RT6318B/RT6318C8A, 23V Synchronous Step-Down Converter with 3.3V/5V LDO Not available
RT5762A/RT5762B/RT5762C/RT5762D/RT5762E/RT5762F2A, 1.2MHz, 6V Synchronous Step-Down Converter inSOT-563 (FC) and UDFN-6L 1.4x1 (FC) Not available
RTQ2117A-QACharging Port Controller and Integrated 36V 3A Synchronous Buck Converter Not available
RTQ2118A-QACharging Port Controller and Integrated 36V 3A Synchronous Buck Converter Not available
RTQ2118C-QAUSB Type-C DFP with Charging Port Controller and Integrated 36V 3.5A Synchronous Buck Converter Not available
RT6352A/RT6352B17V Input, 2A, ACOT® Buck Converter with Both FETs OC Protection Not available
RT6372A/RT6372B17V Input, 2A, ACOT® Buck Converter with Both FETs OC Protection Not available
RTQ2117C-QAUSB Type-C DFP with Charging Port Controller and Integrated 36V 3.5A Synchronous Buck Converter Not available
RTQ2158A-QAPeak 12A, 6.5V, 460kHz Synchronous Step-Down Converter Not available
RTQ2158B-QA8A, 6.5V, 460kHz Synchronous Step-Down Converter Not available
RT5761A/RT5761B6V 1A, ACOT® Buck Converter in Thin UDFN-6L 1.4x1 Package Not available
RTQ2949-QA42VIN, 3A, Asynchronous Step-Down Converter with Low Quiescent Current Not available
RTQ2949A-QA42VIN, 3A, Asynchronous Step-Down Converter with Low Quiescent Current Not available
RTQ2945A-QA42VIN, 5A, Asynchronous Step-Down Converter with Low Quiescent Current Not available
RTQ2159-QA8A, 6.5V, 2.1MHz, ACOT® Synchronous Step-Down Converter with I2C Interface Not available
RTQ2158-QA8A, 6.5V, 2.1MHz Synchronous Step-Down Converter Not available
RTQ2941-QA42VIN, 1.5A, Asynchronous Step-Down Converter with Low Quiescent Current Not available
RT6280A/RT6280B23V, 10A, 500kHz ACOT® Synchronous Step-Down Converter Not available
RTQ2940-QA42VIN, 0.5A, Asynchronous Step-Down Converter with Low Quiescent Current Not available
RTQ2961-QA60VIN, 1.5A, Asynchronous Step-Down Converter with Low Quiescent Current Not available
RTQ2963-QA60VIN, 3.5A, Asynchronous Step-Down Converter with Low Quiescent Current Not available
RTQ2965-QA60VIN, 5A, Asynchronous Step-Down Converter with Low Quiescent Current Not available
RT5752A/RT5752B2A, 1.2MHz, 6V Synchronous Step-Down Converter inTSOT-23-5/TSOT-23-6 and WDFN-6L 2x2 Not available
RT6262A/RT6262B17V Input, 2A, ACOT® Buck Converter with Both FETs OC Protection Not available
RTQ2943-QA42VIN, 3.5A, Asynchronous Step-Down Converter with Low Quiescent Current Not available
RTQ2945-QA42VIN, 5A, Asynchronous Step-Down Converter with Low Quiescent Current Not available
RTQ2134-QA2.1MHz, 20A Multi-Phase Step-Down Converter with I2C Interface Not available
RTQ2962-QA60VIN, 2.5A, Asynchronous Step-Down Converter with Low Quiescent Current Not available
RTQ2942-QA42VIN, 2.5A, Asynchronous Step-Down Converter with Low Quiescent Current Not available
RTQ2960-QA60VIN, 0.5A, Asynchronous Step-Down Converter with Low Quiescent Current Not available
RT5753A/RT5753B3A, 1.2MHz, 5.5V Synchronous Step-Down Converter In WDFN-8L 2x2 Request
RT62306A, 23V, 500kHz, ACOT® Synchronous Buck Converter Request
RT5751A/RT5751B6V 1A, ACOT® Buck Converter Request
RT5750A/RT5750B6V 1A, ACOT® Buck Converter Request
RT6274C/RT6274D18V Input, 3.5A, ACOT® Buck Converter with Both FETs OC Protection Not available
RT6263A/RT6263B17V Input, 3A, ACOT® Buck Converter with Both FETs OC Protection Not available
RT62855A, 30V, 500kHz Asynchronous Step-Down Converter Not available
RT6273A/RT6273B17V Input, 3A, ACOT® Buck Converter with Both FETs OC Protection Not available
RT6256BH/RT6256CH6A, 23V Synchronous Step-Down Converter with 3.3V/5V LDO Not available
RT6258BH/RT6258CH8A, 23V Synchronous Step-Down Converter with 3.3V/5V LDO Not available
Technical Documents
TitleLast UpdateShareDownload
Designing Applications with Lithium-Ion Batteries2021/11/24
Richtek Selection Guide (Oct., 2021)2021/11/02
Power IC Solutions for IoT/Portable/Wearable/Battery-Powered Applications2021/10/28
Automotive Product Selection Guide2021/10/28
Power Management for Video Doorbell2021/10/28
Car Battery Cold Crank Waveform Generator2021/10/28
RTQ6360/61/62/63/65 60V Buck Converter Family2021/10/28
Application and Definition of Thermal Resistances on Datasheet2021/10/28
RT6204 Wide Vin Buck Converter2021/10/28
Analyzing VIN overstress in Power ICs2021/10/28
RT2875 3A Automotive Buck Converter2021/10/28
Reducing EMI in buck converters2021/10/28
The Calculation of Output DC Offset for ACOT™ Control Buck Converter with Feed-forward Compensator2021/10/28
ACOT™ (Advanced Constant-On Time) Synchronous Step-Down Converters2020/12/30
Richtek Wide Input Voltage Range DC/DC Power Solutions for Industrial, Automotive and LED lighting applications2020/12/30
Power Mangement Components for Lithium-Ion Battery Powered Applications2020/12/30
ACOT® Stability Testing2020/04/13
SOT-23 FCOL Package Thermal Considerations2019/12/12
Comparing Buck Converter Topologies2019/12/12
Buck Converter Selection Criteria2019/12/12
DC/DC Converter Testing with Fast Load Transient2019/06/04
Compensation Design for Peak Current-Mode Buck Converters2016/07/07
Powering Microcontrollers from Industrial Supply Rails2016/06/21
Evaluation Boards
TitleLast UpdateShareDownload
RTQ6363GSP, 60VIN, 3.5A, Asynchronous Step-Down Converter Evaluation Board2021/03/12
RTQ6363GQW, 60VIN, 3.5A, Asynchronous Step-Down Converter Evaluation Board2021/03/12
RTQ6362GSP, 60VIN, 2.5A, Asynchronous Step-Down Converter Evaluation Board2021/03/12
RTQ6362GQW, 60VIN, 2.5A, Asynchronous Step-Down Converter Evaluation Board2021/03/12
RTQ6361GSP, 60VIN, 1.5A, Asynchronous Step-Down Converter Evaluation Board2021/03/12
RTQ6361GQW, 60VIN, 1.5A, Asynchronous Step-Down Converter Evaluation Board2021/03/12
RTQ6360GSP, 60VIN, 0.5A, Asynchronous Step-Down Converter Evaluation Board2021/03/12
RTQ6360GQW, 60VIN, 0.5A, Asynchronous Step-Down Converter Evaluation Board2021/03/12
6A, 18V, 500kHz, ACOT™ Step-Down Converter2021/01/21
5A, 18V, 500kHz, Step-Down Converter Evaluation Board2021/01/21
4A, 18V, 500kHz, Step-Down Converter Evaluation Board2021/01/21