전자부품 데이터시트 검색엔진 |
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LM2574DW 데이터시트(PDF) 5 Page - ON Semiconductor |
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LM2574DW 데이터시트(HTML) 5 Page - ON Semiconductor |
5 / 28 page LM2574 http://onsemi.com 5 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 Vin = 20 V ILoad = 100 mA Normalized at TJ = 25°C Figure 4. Dropout Voltage Figure 5. Current Limit Figure 6. Quiescent Current Figure 7. Standby Quiescent Current ILoad = 100 mA TJ = 25°C 3.3 V, 5.0 V and ADJ 12 V and 15 V Vin = 25 V ILoad = 100 mA ILoad = 500 A Vin = 12 V Vin = 40 V L = 300 µH ILoad = 500 mA ILoad = 100 mA Vout = 5.0 V Measured at Ground Pin TJ = 25°C VON/OFF = 5.0 V TYPICAL PERFORMANCE CHARACTERISTICS (Circuit of Figure 16) 1.0 0.8 0.6 0.4 0.2 0 -0.2 -0.4 -0.6 -0.8 -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 1.4 1.3 1.2 1.1 1.0 0.9 0.8 0.7 20 18 16 14 12 10 8.0 6.0 4.0 200 180 160 140 120 100 80 60 40 20 0 125 100 75 60 25 0 -25 -50 40 35 30 25 20 15 10 5.0 0 125 100 75 60 25 0 -25 -50 125 100 75 60 25 0 -25 -50 40 35 30 25 20 15 10 5.0 0 125 100 75 60 25 0 -25 -50 |
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