Step-Down (Buck) Regulators
Analog Devices manufactures a broad line of high performance, step-down buck switching regulator ICs and buck switching controller ICs with both synchronous and nonsynchronous switches. These switching voltage regulators offer typical input voltage capability from less than 2 V up to 100 V+, switching frequencies up to 4 MHz, and high efficiency operation up to 96%. With burst mode operation, quiescent currents in the tens of micro-amps level can be attained. This combination of features allows for very small, low profile buck switching regulator circuit implementations with minimum external components.
Subcategories
Product Selection Table
- Buck Regulator Plus LDO
- Buck Regulators with Digital Power System Management
- Digitally Programmable Regulators
- External Power Switch Buck Controllers
- High Input Voltage Buck Regulators
- Internal Power Switch Buck Regulators
- Micropower Buck Regulators
- Multiple Output Buck Regulators
- µModule Buck Regulators
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Latest Resources
Application Notes
- NEW Phase Shedding using VT11XX
- NEW Buck Converters Proliferate in Handhelds as Features and Processing Power Increase
- NEW PMBus Protocols for Controlling and Monitoring the MAX20743/MAX20730 Switching Regulators
- Choose the Right Regulator for the Right Job: Part 3, Component Selection
- Current Calibration Procedure for InTune Digital Power
Press Releases
Design Notes
- NEW Low-Loss LED Driver Improves a System's Green Footprint by Boosting Efficiency and Extending Battery Life
- NEW Circuit Board Layout Guidelines for White LED Charge Pumps
- NEW Explaining Valley Current Protection for MAX20730, MAX20733, MAX20734, MAX20735, MAX20743, and MAX20745
- Factory-Programmable Parameters of the MAX77812
- Highly Efficient SEPIC Switching Regulator Generates 3V from Multiple Cells
Product Selector Card
- DC/DC Controller Selection Guide PDF
- 80V to 150V Non-Isolated DC/DC PDF
- High Voltage Non-Isolated Devices PDF
- SnPb (Tin-Lead) BGA Packages μModule Power Products PDF
- Surge Stoppers PDF
Technical Articles
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NEW
Transformer-Based Voltage Regulators with Flexible TLVR Structure for Extremely Fast Dynamic Response
Analog Dialogue
- Why Does Current-Mode Control in Switching Regulators Matter?
- The Golden Rule of Board Layout for Switched-Mode Power Supplies
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How to Achieve Ultrafast Power Supply Transient Response for RF Applications
Analog Dialogue
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High Performance Buck Regulators Solve the Power Thirst of the Transmitter Circuit in Current Loops
Analog Dialogue
Design Tools
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- Silent Switcher 2: Dual Channel 4A, 42V Micropower Step-Down Regulator