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ADP2119ACPZ-3.3-R7 数据表(PDF) 13 Page - Analog Devices

部件名 ADP2119ACPZ-3.3-R7
功能描述  2 A/1.25 A, 1.2 MHz, Synchronous, Step-Down DC-to-DC Regulators
PDF  24 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP2119ACPZ-3.3-R7 数据表(HTML) 13 Page - Analog Devices

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ADP2119/ADP2120
Rev. 0 | 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
FREQUENCY (Hz)
CROSS FREQUENCY: 99kHz
PHASE MARGIN: 52°
Figure 40. ADP2119 Bode Plot at VIN = 5 V, VOUT = 1.8 V, IO = 2 A,
L = 1.5 μH, COUT = 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
FREQUENCY (Hz)
CROSS FREQUENCY: 107kHz
PHASE MARGIN: 49°
Figure 41. ADP2119 Bode Plot at VIN = 5 V, VOUT = 2.5 V, IO = 2 A,
L = 1.5 μH, COUT = 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
FREQUENCY (Hz)
CROSS FREQUENCY: 89kHz
PHASE MARGIN: 58°
Figure 42. ADP2119 Bode Plot at VIN = 5 V, VOUT = 3.3 V, IO = 2 A,
L = 1.5 μH, COUT = 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
FREQUENCY (Hz)
CROSS FREQUENCY: 87kHz
PHASE MARGIN: 48°
Figure 43. ADP2120 Bode Plot at VIN = 5 V, VOUT = 1.0 V, IO = 1.25 A,
L = 1.5 μH, COUT = 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
FREQUENCY (Hz)
CROSS FREQUENCY: 80kHz
PHASE MARGIN: 54°
Figure 44. ADP2120 Bode Plot at VIN = 5 V, VOUT = 1.2 V, IO = 1.25 A,
L = 1.5 μH, COUT = 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
FREQUENCY (Hz)
CROSS FREQUENCY: 67kHz
PHASE MARGIN: 51°
Figure 45. ADP2120 Bode Plot at VIN = 5 V, VOUT = 1.5 V, IO = 1.25 A,
L = 2.2 μH, COUT = 22 μF + 10 μF



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