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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
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
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
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
RT7247AHGSP Evaluation Board2018/11/01
RT7243GQW Evaluation Board2018/11/01
Synchronous Step-Down Converter’s Evaluation Board for RT7238 Integrated Chip2018/11/01
Synchronous Step-Down Converter’s Evaluation Board for RT7238 Integrated Chip2018/11/01
Synchronous Step-Down Converter’s Evaluation Board for RT7238 Integrated Chip2018/11/01
RT7237CHGSP Evaluation Board2018/11/01
RT7237AHGSP Evaluation Board2018/11/01
RT7236GQW Evaluation Board2018/11/01
RT6280BHGQUF Step-Down Converter Evaluation Board2018/11/01
RT6278BHGQUF Step-Down Converter Evaluation Board2018/11/01
RT6276BHGQUF Step-Down Converter Evaluation Board2018/11/01
5A, 18V, 500kHz, ACOT™ Step-Down Converter2018/11/01
RT6250BHGQUF Step-Down Converter Evaluation Board2018/11/01
RT6248BHGQUF Step-Down Converter Evaluation Board2018/11/01
RT6246BHGQUF Step-Down Converter Evaluation Board2018/11/01
3A, 1MHz, 6V CMCOT Synchronous Step-Down Converter2018/11/01
1A, 1.5MHz, 5.5V CMCOT Synchronous Step-Down Converter2018/11/01
1A, 1.5MHz, 6V CMCOT Synchronous Step-Down Converter2018/11/01
RT7235GQW Evaluation Board2017/09/04
RT7232GQW Evaluation Board2017/09/04
RT7231GQW Evaluation Board2017/09/04
RT6266 Step-Down Converter Evaluation Board2017/09/04
RT6259BHGQW 3A, 18V, 650kHz, ACOT™ Synchronous Step-Down Converter2017/09/04
6A, 18V, 500kHz, ACOT™ Step-Down Converter2017/09/04
5A, 18V, 500kHz, Step-Down Converter Evaluation Board2017/09/04
4A, 18V, 500kHz, Step-Down Converter Evaluation Board2017/09/04
3A, 18V, Synchronous Step-Down Converter2017/09/04
12A, 18V, 500kHz, ACOT™ Synchronous Step-Down Converter2017/09/04
9A, 18V, 500kHz, ACOT™ Synchronous Step-Down Converter2017/09/04
8A, 18V, 500kHz, ACOT™ Synchronous Step-Down Converter2017/09/04
6A, 18V, 650kHz, ACOT™ Synchronous Step-Down Converter2017/09/04
3A, 18V, 1.4MHz ACOT™ Synchronous Step-Down Converter2017/09/04
4A, 23V, 500kHz, ACOT™ Synchronous Buck Converter2017/09/04
2A, 18V, 500kHz, ACOT™ Step-Down Converter2017/09/04
High Efficiency, 36V 100mA Synchronous Step-Down Converter2017/09/04
5A, 18V, 650kHz, ACOT™ Synchronous Step-Down Converter2017/09/04
RT6206BHGQW 5.5A, 18V, 650kHz, ACOT™ Synchronous Step-Down Converter2017/09/04
RT6206AHGQW 5.5A, 18V, 650kHz, ACOT™ Synchronous Step-Down Converter2017/09/04
500mA, 60V, 350kHz Synchronous Step-Down Converter2017/09/04
RT6200GE Evaluation Board2017/09/04
High Efficiency Single Inductor Buck-Boost Converter2017/09/04
1.5A, 1MHz, 6V CMCOT Synchronous Step-Down Converter2017/09/04
2A, 5.5V, Low IQ ACOT Synchronous Step-Down Converter2017/09/04
2A, 6V, 1.5MHz, 25µA IQ, ACOT™ Synchronous Step-Down Converter2017/09/04
2A, 6V, 1.5MHz, 25µA IQ, ACOT™ Synchronous Step-Down Converter2017/09/04
RT2875B Synchronous Step-Down Converter Evaluation Board2017/09/04
RT2872 Step-Down Converter Evaluation Board2017/09/04
RT2862 Step-Down Converter Evaluation Board2017/09/04
RT2859BHGQW 3A, 18V, 650kHz, ACOT™ Synchronous Step-Down Converter2017/09/04
RT2856GQW 6A, 18V, Synchronous Step-Down Converter2017/08/01
4A, 18V, 650kHz, ACOT™ Synchronous Step-Down Converter2017/07/27
4A, 18V, 650kHz, ACOT™ Synchronous Step-Down Converter2017/07/27
RT2853BHGQW 3A, 18V, 650kHz, ACOT™ Synchronous Step-Down Converter2017/07/27
10A, 18V, 500kHz, ACOT™ Synchronous Step-Down Converter2017/07/27
3A, 36V, 500kHz Current Mode Asynchronous Step-Down Converter2017/07/27