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LM317S/NOPB Datasheet(PDF) 22 Page - Texas Instruments |
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LM317S/NOPB Datasheet(HTML) 22 Page - Texas Instruments |
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22 / 48 page ![]() LM317-N LM117, LM317-N SNVS774P – MAY 2004 – REVISED OCTOBER 2015 www.ti.com Typical Applications (continued) 9.2.10 Low-Cost 3-A Switching Regulator The LM317-N can be used in a switching buck regulator application in cost sensitive applications that require high efficiency. The switch node above D1 oscillates between ground and VIN, as the voltage across sense resistor R1 drives the power transistor on and off. Figure 28 exhibits self-oscillating behavior by negative feedback through R6 and C3 to the ADJ pin of the LM317-N. NOTE: †Solid tantalum *Core—Arnold A-254168-2 60 turns Figure 28. Low-Cost 3-A Switching Regulator 22 Submit Documentation Feedback Copyright © 2004–2015, Texas Instruments Incorporated Product Folder Links: LM117 LM317-N |
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