TPS51640A, TPS59640, TPS59641
www.ti.com
SLUSAQ2 –JANUARY 2012
TYPICAL CHARACTERISTICS
3-Phase Configuration, 94-A CPU (continued)
Figure 13. Dynamic VID: SetVID-Slow/SetVID-Slow
Figure 14. Dynamic VID: SetVID-Fast/SetVID-Fast
Figure 15. SetVID-Decay/SetVID-Fast
Figure 16. PS Change PS0 to PS1 Toggle
50
40
225
180
135
90
0.0045
80
Magnitude
Target
CPU
3-Phase
0.004
0.0035
0.003
60
40
20
Phase
30
20
10
45
0
0
0.0025
0
3−Phase CPU
VOUT = 1.05 V
IOUT ~ 20 A
−10
−20
−30
−40
−50
−45
−90
−135
−180
−225
0.002
0.0015
0.001
-20
-40
-60
Gain
Phase
0.0005
-80
100
1000
10000
100000
1000000
100
1 k
10 k
100 k
1 M
Frequency (Hz)
Frequency (Hz)
Figure 17. CPU Bode Plot
Figure 18. Output Impedance
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