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ML4821CS Fiches technique(PDF) 9 Page - Micro Linear Corporation |
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ML4821CS Fiches technique(HTML) 9 Page - Micro Linear Corporation |
9 / 12 page 9 ML4821 Micro Linear Figure 11. Bias and Start-up Circuit. 1000 µF R10 39k Ω 2W NP L1 TO IC PIN 15 TO B+ NS NP NS VOUT 14V ≈ 1 µF 1 µF OFF-LINE START-UP AND BIAS SUPPLY GENERATION The circuit in Figure 11 supplies VCC power to the ML4821. Start-up current is delivered via R10. The IC starts when VCC reaches 15.5V. After that time running power is delivered through the tap on L1. The configuration shown delivers a voltage proportional to the PFC output bus voltage. |
Numéro de pièce similaire - ML4821CS |
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Description similaire - ML4821CS |
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