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AS3728 Scheda tecnica(PDF) 8 Page - ams-OSRAM AG |
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AS3728 Scheda tecnica(HTML) 8 Page - ams-OSRAM AG |
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8 / 19 page ![]() ams Datasheet Page 7 [v1-03] 2015-Aug-31 Document Feedback AS3728 − Typical Operating Characteristics Figure 7: Efficiency vs. Output Current Figure 8: Efficiency vs. Output Current AS3728 Step Down DCDC: Shows the Efficiency vs. Output Current for various VIN/VOUT conditions, 1.35MHz operation, TAMB = 25°C AS3728 Step Down DCDC: Shows the Efficiency vs. Output Current for various switching frequencies with VOUT = 1.2V, VIN = 5V, TAMB = 25°C and TDK coil SPM4015 and Coilcraft coil XFL4015 Typical Operating Characteristics 40 45 50 55 60 65 70 75 80 85 90 0.01 0.1 1 10 Output Current (A) AS3728 5V-1.2V SPM4015 0.68uH 24.5mΩ (1.35MHz) AS3728 7.4V-1.1V SPM4015 0.68uH 24.5mΩ (1.35MHz) AS3728 12V-1.1V SPM4015 0.68uH 24.5mΩ (1.35MHz) AS3728 5V-1.2V SPM5030 0.75uH 8.5mΩ combined (1.35MHz) 40 45 50 55 60 65 70 75 80 85 90 0.01 0.1 1 10 Output Current (A) AS3728 5V-1.2V SPM4015 0.68uH 24.5mΩ combined (1.35MHz) AS3728 5V-1.2V SPM4015 0.68uH 24.5mΩ combined (0.675MHz) AS3728 5V-1.2V SPM4015 0.68uH 24.5mΩ (1.35MHz) AS3728 5V-1.2V XFL4015 0.47uH 7.6mΩ combined (1.35MHz) AS3728 5V-1.2V XFL4015 0.47uH 7.6mΩ combined (0.675MHz) |
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