ADP2119-EVALZ Analog Devices Inc, ADP2119-EVALZ Datasheet - Page 14
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ADP2119-EVALZ
Manufacturer Part Number
ADP2119-EVALZ
Description
Step-Down Regulator Eval. Board
Manufacturer
Analog Devices Inc
Specifications of ADP2119-EVALZ
Silicon Manufacturer
Analog Devices
Application Sub Type
Step Down DC/DC Converter
Kit Application Type
Power Management - Voltage Regulator
Silicon Core Number
ADP2119
Main Purpose
DC/DC, Step Down
Outputs And Type
1, Non-Isolated
Voltage - Output
0.6V ~ Vin
Current - Output
2A
Voltage - Input
2.3 ~ 5.5 V
Regulator Topology
Buck
Frequency - Switching
1.2MHz
Board Type
Fully Populated
Utilized Ic / Part
ADP2119
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
ADP2119/ADP2120
–16
–32
–48
–64
–80
–16
–32
–48
–64
–80
80
64
48
32
16
80
64
48
32
16
Figure 46. ADP2120 Bode Plot at V
Figure 47. ADP2120 Bode Plot at V
0
0
1k
1k
CROSS FREQUENCY: 78kHz
PHASE MARGIN: 50°
CROSS FREQUENCY: 61kHz
PHASE MARGIN: 54°
10k
10k
L = 2.2 μH, C
L = 2.2 μH, C
FREQUENCY (Hz)
FREQUENCY (Hz)
OUT
OUT
100k
100k
IN
IN
= 2 ×10 μF
= 2 ×10 μF
= 5 V, V
= 5 V, V
OUT
OUT
= 1.8 V, I
= 2.5 V, I
1M
1M
O
O
= 1.25 A,
= 1.25 A,
200
160
120
80
40
0
–40
–80
–120
–160
–200
200
160
120
80
40
0
–40
–80
–120
–160
–200
Rev. 0 | Page 14 of 24
–16
–32
–48
–64
–80
80
64
48
32
16
Figure 48. ADP2120 Bode Plot at V
0
1k
CROSS FREQUENCY: 48kHz
PHASE MARGIN: 60°
10k
L = 2.2 μH, C
FREQUENCY (Hz)
OUT
100k
IN
= 2 ×10 μF
= 5 V, V
OUT
= 3.3 V, I
1M
O
= 1.25 A,
200
160
120
80
40
0
–40
–80
–120
–160
–200