Synchronous step-down voltage stabilizer circuit

Published:2011/6/19 9:14:00 Author:TaoXi | Keyword: Synchronous, step-down, voltage, stabilizer | From:SeekIC

The basic structure of the DC-DC buck regulator circuit is as shown in the figure, this device uses the LM5116 as the pulse width modulator (PWM) switch controller. The critical current path is from the VIN to the output port through the high-side FET; another choose is from the grounding port to the output port through the Rs and the low-side FET. The power loss which is produced along this path is the main loss.



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