LM2576
Typical Performance Characteristics (Circuit of Figure 1)
+100mV
Output
Voltage
Change
0
-100mV
3A
2A
Output
Current
1A
0
Load Transient Response
100 µS/div.
50V
A
0
4A
B 2A
0
4A
C 2A
0
D
Switching Waveforms
5 µS/div.
VOUT = 5V VIN = 45V
A: Output pin voltage 50V/div
B: Output pin current 2A/div
C: Inductor current 2A/div
D: Output ripple voltage 50 mV/div., AC coupled
Horizontal Time Base: 5µS/div
Micrel
4-126
October 1998