Datasheet

Data Sheet ADP2119/ADP2120
Rev. A | Page 13 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: 99kHz
PHASE MARGIN: 52°
08716-040
Figure 40. ADP2119 Bode Plot at V
IN
= 5 V, V
OUT
= 1.8 V, I
O
= 2 A,
L = 1.5 µH, C
OUT
= 22 µF + 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: 107kHz
PHASE MARGIN: 49°
08716-041
Figure 41. ADP2119 Bode Plot at V
IN
= 5 V, V
OUT
= 2.5 V, I
O
= 2 A,
L = 1.5 µH, C
OUT
= 22 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: 89kHz
PHASE MARGIN: 58°
08716-042
Figure 42. ADP2119 Bode Plot at V
IN
= 5 V, V
OUT
= 3.3 V, I
O
= 2 A,
L = 1.5 µH, C
OUT
= 22 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: 87kHz
PHASE MARGIN: 48°
08716-043
Figure 43. ADP2120 Bode Plot at V
IN
= 5 V, V
OUT
= 1.0 V, I
O
= 1.25 A,
L = 1.5 µH, C
OUT
= 22 µF + 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: 80kHz
PHASE MARGIN: 54°
08716-044
Figure 44. ADP2120 Bode Plot at V
IN
= 5 V, V
OUT
= 1.2 V, I
O
= 1.25 A,
L = 1.5 µH, C
OUT
= 22 µF + 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: 67kHz
PHASE MARGIN: 51°
08716-045
Figure 45. ADP2120 Bode Plot at V
IN
= 5 V, V
OUT
= 1.5 V, I
O
= 1.25 A,
L = 2.2 µH, C
OUT
= 22 µF + 10 µF