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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
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
Technical Documents
TitleLast UpdateShareDownload
DCR Temperature Compensation2018/10/02
LED Backlight System and Power Solutions2018/10/02
Designing Applications with Lithium-Ion Batteries2018/10/02
Power IC Solutions for IoT/Portable/Wearable/Battery-Powered Applications2018/09/27
Comparing Buck Converter Topologies2018/09/20
Automotive Product Selection Guide2018/09/19
DC/DC converter testing with Fast Load Transient2018/04/18
ACOT™ Stability Testing2018/01/04
Reducing EMI in buck converters2017/11/07
RT2875 3A Automotive Buck Converter2017/10/18
Evaluation Boards
TitleLast UpdateShareDownload
3A, 1MHz, 6V CMCOT Synchronous Step-Down Converter2018/08/21
1A, 1.5MHz, 6V CMCOT Synchronous Step-Down Converter2018/08/21
RT6280BHGQUF Step-Down Converter Evaluation Board2018/06/04
5A, 18V, 500kHz, ACOT™ Step-Down Converter2018/04/16
RT6278BHGQUF Step-Down Converter Evaluation Board2017/12/28
RT6276BHGQUF Step-Down Converter Evaluation Board2017/12/28
RT6248BHGQUF Step-Down Converter Evaluation Board2017/12/13
RT6246BHGQUF Step-Down Converter Evaluation Board2017/12/13
RT6250BHGQUF Step-Down Converter Evaluation Board2017/12/13
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
1A, 1.5MHz, 5.5V CMCOT 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
RT2805A Step-Down Converter Evaluation Board2017/07/27
6A, 6V, Synchronous Step-Down Converter with REFIN2017/07/27
2.95V to 6V Input, 3A Output, 2MHz, Synchronous2017/07/27
RT4813A High Efficiency Boost Converter2017/07/26
RT4813 High Efficiency Boost Converter2017/07/26
RT4805A 2.5MHz, Synchronous Boost Regulator with Bypass Mode2017/07/25
RT2101AGQW Evaluation Board2017/07/14
6A, 24V, 600kHz Step-Down Converter with Synchronous Gate Driver2016/12/26
RT8297BZQW Evaluation Board2016/12/26
RT8296AHZSP Evaluation Board2016/12/26
RT8295AHZSP Evaluation Board2016/12/26
RT8293AHZSP Evaluation Board2016/12/26
RT8292AHZSP Evaluation Board2016/12/26
RT8279 Step-Down Converter Evaluation Board2016/12/26
12V High Efficiency Synchronous Buck PWM Controller2016/12/26
High Efficiency Single Synchronous Buck PWM Controller2016/12/26
1A, 1.5MHz, 6V CMCOT Synchronous Step-Down Converter2016/12/26
3MHz 4A High Efficiency Step-Down Converter with I2C Interface2016/12/26
3.5A, 1.2MHz, Synchronous Step-Down Converter2016/12/26
3A, 1MHz, Synchronous Step-Down Converter2016/12/26
RT8008GB Evaluation Board2016/12/26
8A, 18V, Synchronous Step-Down Converter2016/12/26
RT7298BLGQW Evaluation Board2016/12/26
RT7298BHGQW Evaluation Board2016/12/26
RT7298AHGQW 6A, 18V, Synchronous Step-Down Converter2016/12/26
RT7297CHZSP Evaluation Board2016/12/26
RT7297AHZSP Evaluation Board2016/12/26
RT7296AGJ8F Step-Down Converter Evaluation Board2016/12/26
RT7295CGJ6F Evaluation Board2016/12/26
RT7294CGJ6F Evaluation Board2016/12/26
RT7285CGJ6 Evaluation Board2016/12/26
RT7280GQW Evaluation Board2016/12/26
RT7279GQW Evaluation Board2016/12/26
RT7276GQW Evaluation Board2016/12/26
RT7275GQW Evaluation Board2016/12/26
3-CH, 18V, Synchronous Step-Down Converter2016/12/26
RT7272BGSP Evaluation Board2016/12/26
RT7272AGSP Evaluation Board2016/12/26
1.5A, 18V, 500kHz ACOT™ Synchronous Step-down Converter2016/12/26
RT7252BZSP Evaluation Board2016/12/26