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LM2576T-12 Scheda tecnica(PDF) 5 Page - Motorola, Inc |
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LM2576T-12 Scheda tecnica(HTML) 5 Page - Motorola, Inc |
5 / 28 page LM2576 5 MOTOROLA ANALOG IC DEVICE DATA 40 TYPICAL PERFORMANCE CHARACTERISTICS (Circuit of Figure 15) TJ, JUNCTION TEMPERATURE (°C) TJ, JUNCTION TEMPERATURE (°C) Vin, INPUT VOLTAGE (V) Vin, INPUT VOLTAGE (V) TJ, JUNCTION TEMPERATURE (°C) Figure 2. Normalized Output Voltage TJ, JUNCTION TEMPERATURE (°C) Figure 3. Line Regulation Figure 4. Dropout Voltage Figure 5. Current Limit Figure 6. Quiescent Current Figure 7. Standby Quiescent Current ILoad = 200 mA ILoad = 3.0 A Vin = 12 V Vin = 40 V L1 = 150 µH Rind = 0.1 Ω ILoad = 500 mA ILoad = 3.0 A Vout = 5.0 V Measured at Ground Pin TJ = 25°C VON/OFF = 5.0 V 1.0 0.6 0.2 0 –0.2 –0.4 –1.0 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 –0.2 –0.4 –0.6 2.0 1.5 1.0 0.5 0 6.5 6.0 5.5 5.0 4.5 4.0 20 18 16 14 12 10 8.0 6.0 4.0 200 180 160 140 120 100 80 60 20 0 125 100 75 50 25 0 –25 –50 40 35 30 25 20 15 10 5.0 0 125 100 75 50 25 0 –25 –50 125 100 75 50 25 0 –25 –50 40 35 30 25 20 15 10 5.0 0 125 100 75 50 25 0 –25 –50 –0.8 –0.6 0.4 0.8 Vin = 20 V ILoad = 500 mA Normalized at TJ = 25°C ILoad = 500 mA TJ = 25°C 3.3 V, 5.0 V and ADJ 12 V and 15 V Vin = 25 V |
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