Datasheet
ADP2118 Data Sheet
Rev. C | Page 12 of 24
60
48
36
24
12
0
–12
–24
–36
–48
–60
200
160
120
80
40
0
–40
–80
–120
–160
–200
MAGNITUDE (dB)
PHASE (Degrees)
FREQUENCY
(Hz)
100
1k
10k
100k
1M
08301-044
CROSS FREQUENCY: 102kHz
PHASE MARGIN: 50°
1
2
Figure 34. Bode Plot at V
IN
= 5 V, V
OUT
= 1.0 V, I
O
= 3 A, f
S
= 1.2 MHz
60
48
36
24
12
0
–12
–24
–36
–48
–60
200
160
120
80
40
0
–40
–80
–120
–160
–200
MAGNITUDE (dB)
PHASE (Degrees)
FREQUENCY (Hz)
100 1k 10k 100k 1M
08301-045
CROSS FREQUENCY: 81kHz
PHASE MARGIN: 63°
1 2
Figure 35. Bode Plot at V
IN
= 5 V, V
OUT
= 1.5 V, I
O
= 3 A, f
S
= 1.2 MHz
60
48
36
24
12
0
–12
–24
–36
–48
–60
200
160
120
80
40
0
–40
–80
–120
–160
–200
MAGNITUDE (dB)
PHASE (Degrees)
FREQUENCY (Hz)
100 1k 10k 100k 1M
08301-046
CROSS FREQUENCY: 52kHz
PHASE MARGIN: 76
°
1 2
Figure 36. Bode Plot at V
IN
= 5 V, V
OUT
= 2.5 V, I
O
= 3 A, f
S
= 1.2 MHz
60
48
36
24
12
0
–12
–24
–36
–48
–60
200
160
120
80
40
0
–40
–80
–120
–160
–200
MAGNITUDE (dB)
PHASE (Degrees)
FREQUENC
Y (Hz)
100
1k
10k
100k
1M
08301-047
CROSS FREQUENCY: 93kHz
PHASE MARGIN: 56°
1 2
Figure 37. Bode Plot at V
IN
= 5 V, V
OUT
= 1.2 V, I
O
= 3 A, f
S
= 1.2 MHz
60
48
36
24
12
0
–12
–24
–36
–48
–60
200
160
120
80
40
0
–40
–80
–120
–160
–200
MAGNITUDE (dB)
PHASE (Degrees)
FREQUENCY (Hz)
100 1k 10k 100k 1M
08301-048
CROSS FREQUENCY: 69kHz
PHASE MARGIN: 69°
1 2
Figure 38. Bode Plot at V
IN
= 5 V, V
OUT
= 1.8 V, I
O
= 3 A, f
S
= 1.2 MHz
60
48
36
24
12
0
–12
–24
–36
–48
–60
200
160
120
80
40
0
–40
–80
–120
–160
–200
MAGNITUDE (dB)
PHASE (Degrees)
FREQUENCY (Hz)
100 1k 10k 100k 1M
08301-049
CROSS FREQUENCY: 46kHz
PHASE MARGIN: 79°
1 2
Figure 39. Bode Plot at V
IN
= 5 V, V
OUT
= 3.3 V, I
O
= 3 A, f
S
= 1.2 MHz