LM2576
TYPICAL PERFORMANCE CHARACTERISTICS (Circuit of Figure 15)
Figure 13. Switching Waveforms
Figure 14. Load Transient Response
50 V
0
A
B
100 mV
Output
0
4.0 A
Voltage
Change
2.0 A
0
– 100 mV
3.0 A
4.0 A
2.0 A
0
C
D
Load
Current
2.0 A
1.0 A
0
5
µs/DIV
100 µs/DIV
Vout = 15 V
A: Output Pin Voltage, 10 V/DIV
B: Inductor Current, 2.0 A/DIV
C: Inductor Current, 2.0 A/DIV, AC–Coupled
D: Output Ripple Voltage, 50mV/dDIV, AC–Coupled
Horizontal Time Base: 5 µs/DIV
7
MOTOROLA ANALOG IC DEVICE DATA