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SG3843Y Datasheet(PDF) 6 Page - Microsemi Corporation |
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SG3843Y Datasheet(HTML) 6 Page - Microsemi Corporation |
6 / 14 page C URRENT -M ODE PWM C ONTROLLER SG1842/SG1843 Series PRODUCT DA T ABOOK 1996/1997 Copyright © 2000 Rev. 1.6 4/00 6 P RODUCTION D ATA S HEET GRAPH / CURVE INDEX Characteristic Curves FIGURE # 1. DROPOUT VOLTAGE vs. TEMPERATURE 2. OSCILLATOR TEMPERATURE STABILITY 3. CURRENT SENSE TO OUTPUT DELAY vs. TEMPERATURE 4. OUTPUT DUTY CYCLE vs. TEMPERATURE 5. START-UP CURRENT vs. TEMPERATURE 6. REFERENCE VOLTAGE vs. TEMPERATURE 7. START-UP VOLTAGE THRESHOLD vs. TEMPERATURE 8. START-UP VOLTAGE THRESHOLD vs. TEMPERATURE 9. OSCILLATOR DISCHARGE CURRENT vs. TEMPERATURE 10. OUTPUT SATURATION VOLTAGE vs. OUTPUT CURRENT AND TEMPERATURE (SINK TRANSISTOR) 11. CURRENT SENSE THRESHOLD vs. ERROR AMPLIFIER OUTPUT 12. OUTPUT SATURATION VOLTAGE vs. OUTPUT CURRENT AND TEMPERATURE (SOURCE TRANSISTOR) FIGURE INDEX Application Information FIGURE # 13. OSCILLATOR TIMING CIRCUIT 14. OSCILLATOR FREQUENCY vs. R T FOR VARIOUS CT Typical Applications Section FIGURE # 15. CURRENT SENSE SPIKE SUPPRESSION 16. MOSFET PARASITIC OSCILLATIONS 17. BIPOLAR TRANSISTOR DRIVE 18. ISOLATED MOSFET DRIVE 19. ADJUSTABLE BUFFERED REDUCTION OF CLAMP LEVEL WITH SOFTSTART 20. EXTERNAL DUTY CYCLE CLAMP AND MULTI-UNIT SYNCHRONIZATION 21. OSCILLATOR CONNECTION 22. ERROR AMPLIFIER CONNECTION 23. SLOPE COMPENSATION 24. OPEN LOOP LABORATORY FIXTURE 25. OFF-LINE FLYBACK REGULATOR |
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