Buck converters, a pivotal class of DC–DC converters, are widely implemented in modern power electronics to achieve efficient voltage step-down conversion. Recent advancements focus on enhancing ...

The circuit described here is a 12-V dc to 5-V dc (±5%) switched-mode power supply (SMPS). The supply uses a 12-V input from an array of four 3-V dc, 40-mA solar cells connected in series. (The cells ...

In the last installment of Circuit VR, we walked around a simplified buck converter. The main simplification was using a constant PWM signal. The result is that the output voltage is a fixed fraction ...

The IRS2505L SOT-23 control IC is a versatile solution for controlling power supplies in PFC Boost, Flyback, Buck, or Buck-Boost applications. This app note will cover the use of the IRS2505L in a ...

The first thing I ever built without a kit was a 5 V regulated power supply using the old LM309K. That’s a classic linear regulator like a 7805. While they are simple, they waste a lot of energy as ...

Reducing emissions is a common goal when it comes to synthesis of power conversion circuits with nonpulsating input and output terminal currents. Emissions can result from pulsating currents due to ...

PCB layout design for switching power supply IC is as important as the circuit design. Appropriate layout can avoid various problems caused by power supply circuit. Major problems that arise from ...

Buck-Boost DC-DC Converters are versatile power electronic devices that facilitate the conversion of a direct current (DC) input to a DC output that may be either higher or lower than the supply ...

Ricoh Electronic Devices Co. Ltd. has launched two buck dc-dc converters, the RP516 and RP517, designed for use in wearable devices and Internet of Things (IoT) applications requiring advanced ...