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TOP250P-TL датащи(PDF) 18 Page - Power Integrations, Inc. |
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TOP250P-TL датащи(HTML) 18 Page - Power Integrations, Inc. |
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18 / 52 page ![]() TOP242-250 M 12/04 18 Typical Uses of MULTI-FUNCTION (M) Pin (cont.) Figure 34. Externally Set Current Limit (Not Normally Required-See M Pin Operation Description). PI-2517-022604 DC Input Voltage + - D M S C For RIL = 12 kΩ ILIMIT = 69% CONTROL RIL See Figures 54b, 55b and 56b for other resistor values (RIL) to select different ILIMIT values. For RIL = 25 kΩ ILIMIT = 43% PI-2518-040501 DC Input Voltage + - D M S C CONTROL RIL RLS 2.5 M Ω 6 k Ω 100% @ 100 VDC 63% @ 300 VDC ILIMIT = ILIMIT = Figure 35. Current Limit Reduction with Line Voltage (Not Normally Required-See M Pin Operation Description). Figure 36. Active-on (Fail Safe) Remote ON/OFF. PI-2519-040501 DC Input Voltage + - D S C QR ON/OFF M CONTROL QR can be an optocoupler output or can be replaced by a manual switch. 47 k Ω PI-2522-040501 DC Input Voltage + - D S C RMC 45 k Ω M CONTROL QR QR can be an optocoupler output or can be replaced by a manual switch. ON/OFF 47 k Ω Figure 37. Active-off Remote ON/OFF. Maximum Duty Cycle Reduced. |
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