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LM317S/NOPB Datenblatt(PDF) 23 Page - Texas Instruments |
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LM317S/NOPB Datenblatt(HTML) 23 Page - Texas Instruments |
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23 / 51 page ![]() LM317-N 23 LM117, LM317-N www.ti.com SNVS774Q – MAY 2004 – REVISED JUNE 2020 Product Folder Links: LM117 LM317-N Submit Documentation Feedback Copyright © 2004–2020, Texas Instruments Incorporated 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 |
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