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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TPS2480PW датащи(PDF) 17 Page - Texas Instruments |
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TPS2480PW датащи(HTML) 17 Page - Texas Instruments |
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17 / 60 page  TPS2480 TPS2481 www.ti.com SLUS939B – APRIL 2010 – REVISED DECEMBER 2010 Response to a Hard Output Short (Figure 14 and Figure 15) Figure 14 shows the short circuit response over the full time-out period. This begins when the output voltage falls and ends when the external FET is turned off. The external FET current is actively controlled by the power limiting engine and gate amplifier circuit while the TIMER pin charges CT to the 4-V threshold. Once this threshold is reached, the TPS2480/81 disable and latch off the external FET. The TPS2480 remains latched off until either the input voltage drops below the UVLO threshold or EN cycles through the false (low) state. The TPS2481 will attempt a restart after going through a timing cycle. Figure 14. Current Limit Overview Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback 17 Product Folder Link(s): TPS2480 TPS2481 |
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