IN = 12 V, VOUT
= 1.2 V, TA = 25°C, BOM = Table 7-1, (unless otherwise noted)
12 V to 1.2 V, 2 A |
1 μH, 1 MHz |
First L-C Only |
Figure 5-1 VOUT Ripple After the First L-C Filter
|
|
|
12 V to 1.2 V, 2 A |
1 μH, 1 MHz |
First and second
L-C |
Figure 5-3 VOUT Ripple After the Second L-C Filter
12 V to 1.8 V, 2 A |
1 μH, 1.4 MHz |
First L-C Only |
|
|
|
Figure 5-5 VOUT Ripple After the First L-C Filter
12 V to 1.8 V, 2 A |
1 μH, 1.4 MHz |
First and second
L-C |
|
|
|
Figure 5-7 VOUT Ripple After the Second L-C Filter
12 V to 3.3 V, 2 A |
1 μH, 2.2 MHz |
First L-C Only |
Figure 5-9 VOUT Ripple After the First L-C Filter
12 V to 3.3 V, 2 A |
1 μH, 2.2 MHz |
First and second
L-C |
Figure 5-11 VOUT Ripple After
the Second L-C Filter
12 V to 1.2 V |
1 μH, 1 MHz |
First L-C Only |
NR/SS = Open, 470 nF, 2.2 μF, BW = 100 Hz to 100
kHz |
Figure 5-13 Output Noise Density vs Frequency
12 V to 1.8 V |
1 μH, 1.4 MHz |
First L-C Only |
NR/SS = Open, 470 nF, 2.2 μF, BW = 100 Hz to 100
kHz |
Figure 5-15 Output Noise Density vs Frequency
12 V to 3.3 V |
1 μH, 2.2 MHz |
First L-C Only |
NR/SS = Open, 470 nF, 2.2 μF, BW = 100 Hz to 100
kHz |
Figure 5-17 Output Noise Density vs Frequency
12 V to 1.2 V, 2A |
1 μH, 2 MHz |
First L-C Only |
|
BW = 10 kHz |
|
Figure 5-2 VOUT Ripple FFT After the First L-C Filter
12 V to 1.2 V, 2 A |
1 μH, 1 MHz |
First and second
L-C |
|
BW = 10 kHz |
|
Figure 5-4 VOUT Ripple FFT After the Second L-C Filter
12 V to 1.8 V, 2 A |
1 μH, 1.4 MHz |
First L-C Only |
|
BW = 10 kHz |
|
Figure 5-6 VOUT Ripple FFT After the First L-C Filter
12 V to 1.8 V, 2 A |
1 μH, 1.4 MHz |
First and second
L-C |
|
BW = 10 kHz |
|
Figure 5-8 VOUT Ripple FFT After the Second L-C Filter
12 V to 3.3 V, 2 A |
1 μH, 2.2 MHz |
First L-C Only |
|
BW = 10 kHz |
|
Figure 5-10 VOUT Ripple FFT After the First L-C Filter
12 V to 3.3 V, 2 A |
1 μH, 2.2 MHz |
First and second
L-C |
|
BW = 10 kHz |
|
Figure 5-12 VOUT Ripple FFT After the Second L-C Filter
12 V to 1.2 V |
1 μH, 1 MHz |
After ferrite bead
filter |
NR/SS = Open, 470 nF, 2.2 μF, BW = 100 Hz to 100
kHz |
Figure 5-14 Output Noise Density vs Frequency
12 V to 1.8 V |
1 μH, 1.4 MHz |
After ferrite bead
filter |
NR/SS = Open, 470 nF, 2.2 μF, BW = 100 Hz to 100
kHz |
Figure 5-16 Output Noise Density vs Frequency
12 V to 3.3 V |
1 μH, 2.2 MHz |
After ferrite bead
filter |
NR/SS = Open, 470 nF, 2.2 μF, BW = 100 Hz to 100
kHz |
Figure 5-18 Output Noise Density vs Frequency