LM2576-12 MOTOROLA [Motorola, Inc], LM2576-12 Datasheet - Page 6

• Manufacturer Part Number: LM2576-12
• Description: Easy Switcher 3.0A Step-Down Voltage Regulator
• Manufacturer: MOTOROLA [Motorola, Inc]

6
–2.0
–4.0
–6.0
–8.0
200
180
160
140
120
100
4.0
–10
8.0
6.0
2.0
80
60
40
20
0
0
–50
0
Figure 8. Standby Quiescent Current
5
–25
V in = 12 V
Normalized at
25 C
Figure 10. Oscillator Frequency
10
T J , JUNCTION TEMPERATURE ( C)
T J = 25 C
0
V in , INPUT VOLTAGE (V)
TYPICAL PERFORMANCE CHARACTERISTICS
15
25
20
–100
100
–20
–40
–60
–80
50
80
60
40
20
0
–50
25
75
–25
30
Figure 12. Feedback Pin Current
100
T J , JUNCTION TEMPERATURE ( C)
35
0
125
40
LM2576
25
Adjustable Version Only
50
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
–50
0
75
–40 C
25 C
125 C
Figure 11. Minimum Operating Voltage
–25
Figure 9. Switch Saturation Voltage
100
(Circuit of Figure 15)
0.5
MOTOROLA ANALOG IC DEVICE DATA
T J , JUNCTION TEMPERATURE ( C)
125
0
1.0
V out
I Load = 500 mA
SWITCH CURRENT (A)
'
25
1.23 V
1.5
Adjustable Version Only
50
2.0
75
2.5
100
125
3.0