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SG3524NE4 Datasheet(PDF) 6 Page - Texas Instruments |
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SG3524NE4 Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 24 page 
SG2524, SG3524 REGULATING PULSEWIDTH MODULATORS SLVS077D – APRIL 1977 – REVISED FEBRUARY 2003 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 TYPICAL CHARACTERISTICS Frequency – Hz –10 0 10 20 30 40 50 60 70 80 90 10 M 1 M 100 k 10 k 1 k 100 RL is resistance from COMP to ground RL = 300 kΩ RL = 1 MΩ RL = 100 kΩ RL = 30 kΩ OPEN-LOOP VOLTAGE AMPLIFICATION OF ERROR AMPLIFIER vs FREQUENCY VCC = 20 V TA = 25°C RL = ∞ Figure 3 1 RT – Timing Resistance – kΩ 20 40 100 70 10 7 4 2 OSCILLATOR FREQUENCY vs TIMING RESISTANCE VCC = 20 V TA = 25°C 1M 400 k 100 k 40 k 10 k 4 k 1 k 400 100 CT = 0.1 µF CT = 0.01 µF CT = 0.03 µF CT = 0.003 µF CT = 0 CT = 0.001 µF Figure 4 OUTPUT DEAD TIME vs TIMING CAPACITANCE 1 10 4 0.001 0.01 0.004 0.1 0.04 0.1 0.4 CT – Timing Capacitance – µF Figure 5 |
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