Datasheet

ADP2119/ADP2120 Data Sheet
Rev. A | Page 14 of 24
80
–80
–64
–48
–32
–16
0
16
32
48
64
200
–200
–160
–120
–80
–40
0
40
80
120
160
1k 10k 100k 1M
MAGNITUDE (dB)
PHASE (Degrees)
FREQUENCY (Hz)
CROSS FREQUENCY: 78kHz
PHASE MARGIN: 50°
08716-046
Figure 46. ADP2120 Bode Plot at V
IN
= 5 V, V
OUT
= 1.8 V, I
O
= 1.25 A,
L = 2.2 µH, C
OUT
= 2 ×10 µF
80
–80
–64
–48
–32
–16
0
16
32
48
64
200
–200
–160
–120
–80
–40
0
40
80
120
160
1k 10k 100k 1M
MAGNITUDE (dB)
PHASE (Degrees)
FREQUENCY (Hz)
CROSS FREQUENCY: 61kHz
PHASE MARGIN: 54°
08716-047
Figure 47. ADP2120 Bode Plot at V
IN
= 5 V, V
OUT
= 2.5 V, I
O
= 1.25 A,
L = 2.2 µH, C
OUT
= 2 ×10 µF
80
–80
–64
–48
–32
–16
0
16
32
48
64
200
–200
–160
–120
–80
–40
0
40
80
120
160
1k 10k 100k 1M
MAGNITUDE (dB)
PHASE (Degrees)
FREQUENCY (Hz)
CROSS FREQUENCY: 48kHz
PHASE MARGIN: 60°
08716-048
Figure 48. ADP2120 Bode Plot at V
IN
= 5 V, V
OUT
= 3.3 V, I
O
= 1.25 A,
L = 2.2 µH, C
OUT
= 2 ×10 µF