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SG1543 Datasheet(PDF) 5 Page - Microsemi Corporation |
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SG1543 Datasheet(HTML) 5 Page - Microsemi Corporation |
5 / 6 page Rev 1.1a Copyright © 1994 11861 Western Avenue ∞ ∞ ∞ ∞ ∞ Garden Grove, CA 92841 5 (714) 898-8121 ∞ ∞ ∞ ∞ ∞ FAX: (714) 893-2570 FIGURE 10 - SENSING MULTIPLE SUPPLY VOLTAGES FIGURE 11 - OVERCURRENT SHUTDOWN FIGURE 9 - TYPICAL APPLICATION CIRCUIT The values for the external components are determined as follows: Current limit input threshold, V TH ≈ C S is determined by the current loop dynamics Peak current to load, I P ≈ Short circuit current, I SC = Low output voltage limit, V O (Low) = High output voltage limit, V O (High) = Voltage sensing delay, t D = 10,000 CD SCR trigger power limiting resistor, R G > 1000 R 1 V TH R SC V O R SC R 2 R 2+R3 + () V TH R SC 2.5 (R 4+R5+R6) R 5+R6 2.5 (R 4+R5+R6) R 6 V IN - 5 0.2 APPLICATION INFORMATION (continued) |
Similar Part No. - SG1543_1 |
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Similar Description - SG1543_1 |
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