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Loop Characteristics
2-12
Figure 2−16. Measured Loop Response, TPS54972, V
I
= 3 V
−60
−50
−40
−30
−20
−10
0
10
20
30
40
50
60
100
1 k
10 k
100 k
1 M
−180
−150
−120
−90
−60
−30
0
30
60
90
120
150
180
Phase
Gain
Gain − dB
f − Frequency − Hz
MEASURED LOOP RESPONSE
VI = 3 V
Phase − Degrees
Figure 2−17. Measured Loop Response, TPS54972, V
I
= 4 V
−60
−50
−40
−30
−20
−10
0
10
20
30
40
50
60
100
1 k
10 k
100 k
1 M
−180
−150
−120
−90
−60
−30
0
30
60
90
120
150
180
Phase
Gain
Gain − dB
f − Frequency − Hz
MEASURED LOOP RESPONSE
VI = 4 V
Phase − Degrees
Summary of Contents for 296-20597-ND
Page 1: ... November 2002 PMP EVMs User s Guide SLVU076 ...
Page 15: ...1 6 ...
Page 36: ...Layout 3 3 Board Layout Figure 3 2 Internal Layer 1 Layout Figure 3 3 Internal Layer 2 Layout ...
Page 37: ...Layout 3 4 Figure 3 4 Bottom Side Layout Looking From Top Side Figure 3 5 Top Side Assembly ...
Page 38: ...Layout 3 5 Board Layout Figure 3 6 Bottom Side Assembly Showing Optional Components ...
Page 39: ...3 6 ...