Datasheet

ADP2116 Data Sheet
Rev. A | Page 18 of 36
BODE PLOTS
50
40
30
20
10
0
–10
–20
–30
–40
–50
120
96
72
48
0
–24
24
–48
–72
–96
–120
1k 10k
M2M1
100k
MAGNITUDE (dB)
PHASE (Degrees)
FREQUENCY (Hz)
MAGNITUDE
FREQUENCY
MAGNITUDE
PHASE
M1
56.62kHz
0.029dB
55.02°
M2
220.20kHz
–18.743dB
–0.468°
M2 – M1
163.58kHz
–18.772dB
–55.494°
PHASE
08436-055
Figure 55. Magnitude and Phase vs. Frequency, V
IN
= 5 V, V
OUT
= 2.5 V, Load = 3 A,
f
SW
= 600 kHz, Crossover Frequency (f
CROSS
) = 57 kHz, Phase Margin = 55°
(See Table 12 for the Circuit Details)
50
40
30
20
10
0
–10
–20
–30
–40
–50
120
96
72
48
24
0
–24
–48
–72
–96
–120
1k 10k
M2
M1
100k
MAGNITUDE (dB)
PHASE (Degrees)
FREQUENCY (Hz)
FREQUENCY
MAGNITUDE
PHASE
M1
46.12kHz
–0.558dB
47.275°
M2
186.41kHz
–20.906dB
0.065°
M2 – M1
140.29kHz
–20.348dB
–47.210°
MAGNITUDE
PHASE
08436-056
Figure 56. Magnitude and Phase vs. Frequency, V
IN
= 5 V, V
OUT
= 1.2 V, Load = 3 A,
f
SW
= 600 kHz, Crossover Frequency (f
CROSS
) = 46 kHz, Phase Margin = 47°
(See Table 12 for the Circuit Details)