LM2575TV-3.3G 데이터 시트보기 (PDF) - ON Semiconductor
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LM2575TV-3.3G Datasheet PDF : 28 Pages
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LM2575
TYPICAL PERFORMANCE CHARACTERISTICS (Circuit of Figure 14)
0.6
Vin = 20 V
0.4
ILoad = 200 mA
Normalized at
TJ = 25°C
0.2
1.0
ILoad = 200 mA
0.8 TJ = 25°C
0.6
3.3 V, 5.0 V and Adj
0
0.4
−0.2
0.2
−0.4
0
12 V and 15 V
−0.6
−50
−25
0
25
50
75 100 125
TJ, JUNCTION TEMPERATURE (°C)
Figure 2. Normalized Output Voltage
−0.2
0
5.0 10 15 20 25 30 35 40
Vin, INPUT VOLTAGE (V)
Figure 3. Line Regulation
1.2
1.1
1.0
0.9
−40°C
0.8
0.7
25°C
0.6
125°C
0.5
0.4
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
SWITCH CURRENT (A)
Figure 4. Switch Saturation Voltage
3.0
2.5
2.0
1.5
1.0
0.5
0
−50
Vin = 25 V
−25
0
25
50
75
100 125
TJ, JUNCTION TEMPERATURE (°C)
Figure 5. Current Limit
2.0
1.8
ILoad = 1.0 A
1.6
DVout = 5%
Rind = 0.2 W
1.4
1.2
1.0 ILoad = 200 mA
0.8
0.6
0.4
−50 −25
0
25
50
75 100 125
TJ, JUNCTION TEMPERATURE (°C)
Figure 6. Dropout Voltage
20
Vout = 5.0 V
18
Measured at
Ground Pin
16
TJ = 25°C
14
ILoad = 1.0 A
12
10
8.0
ILoad = 200 mA
6.0
4.0
0 5.0 10 15 20 25 30 35 40
Vin, INPUT VOLTAGE (V)
Figure 7. Quiescent Current
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