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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LM317S/NOPB датащи(PDF) 26 Page - Texas Instruments |
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LM317S/NOPB датащи(HTML) 26 Page - Texas Instruments |
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26 / 51 page  LM317-N LM317-N LM317-N 26 LM117, LM317-N SNVS774Q – MAY 2004 – REVISED JUNE 2020 www.ti.com Product Folder Links: LM117 LM317-N Submit Documentation Feedback Copyright © 2004–2020, Texas Instruments Incorporated Typical Applications (continued) 9.2.15 Adjustable 4-A Regulator Using three LM317-N devices in parallel increases load current capability (Figure 33). Output voltage is set by the variable resistor tied to the non-inverting terminal of the operational amplifier, and reference current to the transistor is developed across the 100 Ω resistor. When output voltage rises, the operational amplifier corrects by drawing current from the base, closing the transistor. This effectively pulls ADJ down and lowers the output voltage through negative feedback. Figure 33. Adjustable 4-A Regulator |
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