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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TOP242 датащи(PDF) 17 Page - Power Integrations, Inc. |
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TOP242 датащи(HTML) 17 Page - Power Integrations, Inc. |
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17 / 54 page  Rev. R 10/20 17 TOP242-250 www.power.com X DC Input Voltage + - D S C CONTROL L RIL RLS 12 k 2 M VUV = IUV x RLS VOV = IOV x RLS For RLS = 2 M DCMAX@100 VDC = 78% DCMAX@375 VDC = 38% For RIL = 12 k ILIMIT = 69% See Figure 54b for other resistor values (RIL) to select different ILIMIT values VUV = 100 VDC VOV = 450 VDC Typical Uses of LINE-SENSE (L) and EXTERNAL CURRENT LIMIT (X) Pins (cont.) Ω Ω Typical Uses of MULTI-FUNCTION (M) Pin PI-2508-081199 DC Input Voltage + - D S C CONTROL M C D S C D S S S S M Ω Ω Ω Ω Ω Ω Figure 30. Three Terminal Operation (MULIT-FUNCTION Features Disabled). Figure 31. Line-Sensing for Undervoltage, Overvoltage and Line Feed-Forward. Figure 32. Line-Sensing for Undervoltage Only (Overvoltage Disabled). Figure 33. Line-Sensing for Overvoltage Only (Undervoltage Disabled). Maximum Duty Cycle Reduced at Low Line and Further Reduction with Increasing Line Voltage. Figure 28. Line-Sensing and Externally Set Current Limit. Figure 29. Active-on Remote ON/OFF. |
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