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Switching Regulators

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Richtek switching voltage regulators provide accurate output voltage regulation with high efficiency for wide range of applications from battery powered mobile 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.

Product Line

The following is a list of products released in the last

Part NumberDescriptionShareDatasheetFree Sample
RT6203F6A, 18V, 700kHz ACOTTM Synchronous Step-Down Converter with VID Control Not available
RTQ2105-QA36VIN, 3A, High Efficiency Synchronous Step-Down Converter with Low Quiescent Current Not available
RTQ2104-QA36VIN, 3A, High Efficiency, 2.1MHz, Synchronous Step-Down Converter with Low Quiescent Current Not available
RTQ2106-QA36VIN, 3A, High Efficiency, 2.1MHz, Synchronous Step-Down Converter with Low Quiescent Current Not available
RT6215F2A, 24V, 800kHz, ACOT™ Step-Down Converter Not available
RT6541AHigh Efficiency Single Synchronous Buck PWM Controller Not available
RT6542AHigh Efficiency Single Synchronous Buck PWM Controller Not available
RT8237HHigh Efficiency Single Synchronous Buck PWM Controller Not available
RT6576FDual-Channel Synchronous DC-DC Step-Down Controller with 5V/3.3V LDOs Not available
RT8237JHigh Efficiency Single Synchronous Buck PWM Controller Not available
RT6575EDual-Channel Synchronous DC-DC Step-Down Controller with 5V/3.3V LDOs Not available
RT85093A, 14V Step-Up DC-DC Converter Request
RT57599A, 6.5V, 1MHz, ACOT™ Synchronous Step-Down Converter with I2C Interface Not available
RTQ2132B-QT1.2A, 36V, 2.1MHz Synchronous Step-Down Converter Request
RT8816BDual-Phase PWM Controller with PWM-VID Reference Not available
RT9284A-E/RT9284B-ETiny Package, High Performance, Constant Current Switching Regulator for White LED Request
RT6280B23V, 10A, 500kHz ACOT™ Synchronous Step-Down Converter Not available
RT6258B/RT6258C8A, 23V Synchronous Step-Down Converter with 3.3V/5V LDO Not available
RT57589A, 6.5V, 1MHz Synchronous Step-Down Converter Not available
RTQ2131B-QA1A, 36V, 2.1MHz Synchronous Step-Down Converter Request
RT5710F1A, 1MHz, 6V CMCOT Synchronous Step-Down Converte Not available
RT8845BMulti-Phase PWM Controller with PWM-VID Reference Not available
RT8845AMulti-Phase PWM Controller with PWM-VID Reference Not available
RTQ2130B-QT0.7A, 36V, 2.1MHz Synchronous Small Form Factor Step-Down Converter Request
RT8125F/RT8125GHigh Efficiency Single Synchronous Buck PWM Controller Not available
RT6256B/RT6256C6A, 23V Synchronous Step-Down Converter with 3.3V/5V LDO Not available
RT8132AHigh Efficiency Single Synchronous Buck PWM Controller Not available
RT5707/RT5707AUltra-Low Quiescent Current HCOT Buck Converter Request
RT725518V, 1.5A, 500kHz ACOTTM Step-down Converter in 8 Pin TSOT-23 Not available
RT6215A/RT6215B24V, 2A, 500kHz, ACOTTM Step-Down Converter in 8 Pin TSOT-23 Not available
Technical Documents
TitleLast UpdateShareDownload
Power Mangement Components for Lithium-Ion Battery Powered Applications2018/11/15
ACOT™ (Advanced Constant-On Time) Synchronous Step-Down Converters2018/11/15
Automotive Product Selection Guide2018/11/15
Power IC Solutions for IoT/Portable/Wearable/Battery-Powered Applications2018/11/15
Richtek Wide Input Voltage Range DC/DC Power Solutions for Industrial, Automotive and LED lighting applications2018/11/01
Designing Applications with Lithium-Ion Batteries2018/10/30
LED Backlight System and Power Solutions2018/10/30
DCR Temperature Compensation2018/10/30
Comparing Buck Converter Topologies2018/09/20
DC/DC converter testing with Fast Load Transient2018/04/18
Evaluation Boards
TitleLast UpdateShareDownload
RT2805A Step-Down Converter Evaluation Board2018/11/08
6A, 24V, 600kHz Step-Down Converter with Synchronous Gate Driver2018/11/01
RT8297BZQW Evaluation Board2018/11/01
RT8296AHZSP Evaluation Board2018/11/01
RT8295AHZSP Evaluation Board2018/11/01
RT8293AHZSP Evaluation Board2018/11/01
RT8292AHZSP Evaluation Board2018/11/01
RT8279 Step-Down Converter Evaluation Board2018/11/01
12V High Efficiency Synchronous Buck PWM Controller2018/11/01
High Efficiency Single Synchronous Buck PWM Controller2018/11/01
1A, 1.5MHz, 6V CMCOT Synchronous Step-Down Converter2018/11/01
3MHz 4A High Efficiency Step-Down Converter with I2C Interface2018/11/01
3.5A, 1.2MHz, Synchronous Step-Down Converter2018/11/01
3A, 1MHz, Synchronous Step-Down Converter2018/11/01
RT8008GB Evaluation Board2018/11/01
8A, 18V, Synchronous Step-Down Converter2018/11/01
RT7298BLGQW Evaluation Board2018/11/01
RT7298BHGQW Evaluation Board2018/11/01
RT7298AHGQW 6A, 18V, Synchronous Step-Down Converter2018/11/01
RT7297CHZSP Evaluation Board2018/11/01
RT7297AHZSP Evaluation Board2018/11/01
RT7296AGJ8F Step-Down Converter Evaluation Board2018/11/01
RT7295CGJ6F Evaluation Board2018/11/01
RT7294CGJ6F Evaluation Board2018/11/01
RT7285CGJ6 Evaluation Board2018/11/01
RT7280GQW Evaluation Board2018/11/01
RT7279GQW Evaluation Board2018/11/01
RT7276GQW Evaluation Board2018/11/01
RT7275GQW Evaluation Board2018/11/01
3-CH, 18V, Synchronous Step-Down Converter2018/11/01
RT7272BGSP Evaluation Board2018/11/01
RT7272AGSP Evaluation Board2018/11/01
1.5A, 18V, 500kHz ACOT™ Synchronous Step-down Converter2018/11/01
RT7252BZSP Evaluation Board2018/11/01
RT7251BZQW Evaluation Board2018/11/01
RT7251AZQW Evaluation Board2018/11/01
RT7250BZSP Evaluation Board2018/11/01
3A, 18V Synchronous Step-Down Converter with Adjustable Current Limited Power Switch2018/11/01
RT7247CHGSP Evaluation Board2018/11/01