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LM2576 Datasheet(PDF) 6 Page - ON Semiconductor

Part # LM2576
Description  EASY SWITCHER 3.0 A STEP.DOWN VOLTAGE REGULATOR
PDF  26 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

LM2576 Datasheet(HTML) 6 Page - ON Semiconductor

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LM2576
http://onsemi.com
6
2.0
2.5
3.0
4.0
TJ, JUNCTION TEMPERATURE (°C)
SWITCH CURRENT (A)
TJ, JUNCTION TEMPERATURE (°C)
Figure 8. Standby Quiescent Current
Vin, INPUT VOLTAGE (V)
Figure 9. Switch Saturation Voltage
Figure 10. Oscillator Frequency
Figure 11. Minimum Operating Voltage
Figure 12. Feedback Pin Current
Vin = 12 V
Normalized at
25
°C
TJ = 25°C
Adjustable Version Only
200
180
140
120
100
80
60
40
20
0
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
8.0
6.0
4.0
2.0
0
−2.0
−4.0
−6.0
−8.0
−10
5.0
4.5
3.5
1.5
1.0
0.5
0
40
30
25
20
15
10
5
0
0
0.5
1.0
1.5
2.0
3.0
125
100
75
50
25
0
−25
−50
125
100
75
50
25
0
−25
−50
TJ, JUNCTION TEMPERATURE (°C)
Adjustable Version Only
100
80
60
40
20
0
−20
−40
−60
−80
−100
125
100
75
50
25
0
−25
−50
160
35
2.5
−40
°C
25
°C
125
°C
Vout ' 1.23 V
ILoad = 500 mA
TYPICAL PERFORMANCE CHARACTERISTICS (Circuit of Figure 15)



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