Datasheet

Output Voltage Regulation
2-7
Test Setup and Results
2.7 Loop Characteristics
The loop gain and phase for a 5.0-V input and a 6.0-A load are shown in
Figure 2–9 and Figure 2–10. The loop crossover frequency is approximately
25 kHz, and the phase margin is approximately 75°.
Figure 2–9. Measured Loop Gain
–20
–10
0
10
20
30
40
50
100 1000 10000 100000
f – Frequency – Hz
Loop Gain – dB
Figure 2–10. Measured Loop Phase
0
45
90
135
180
100 1000 10000 100000
f – Frequency – Hz
Loop Phase – Degrees