TPS40090PW Datasheet, PDF (15/31 Pages) Texas Instruments – HIGH-FREQUENCY, MULTIPHASE CONTROLLER

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GAIN AND PHASE
vs
FREQUENCY WITHOUT DROOP
80
Converter Overall
60 ^EA
TPS40090
TPS40091
SLUS578B – OCTOBER 2003 – REVISED MAY 2006
GAIN AND PHASE
vs
FREQUENCY WITH DROOP
80
60
40 Type II
20 ^Modulator
40
Droop Zero
20
0
0
Load Pole
-20
-20
ESR Zero
-40
-40
200
200
150
Phase
150
Load Pole
ESR Zero
100
100
50
50
0
0
-50
-50
-100
10
100
1k
10 k
100 k
1M
f - Frequency - Hz
Figure 7.
-100
10
100
1k
10 k
100 k
1M
f - Frequency - Hz
Figure 8.
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