ADP2119-EVALZ Analog Devices Inc, ADP2119-EVALZ Datasheet - Page 13

• 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

–16
–32
–48
–64
–80
–16
–32
–48
–64
–80
–16
–32
–48
–64
–80
80
64
48
32
16
80
64
48
32
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80
64
48
32
16
0
0
0
1k
Figure 40. ADP2119 Bode Plot at V
1k
Figure 41. ADP2119 Bode Plot at V
1k
Figure 42. ADP2119 Bode Plot at V
CROSS FREQUENCY: 99kHz
PHASE MARGIN: 52°
CROSS FREQUENCY: 107kHz
PHASE MARGIN: 49°
CROSS FREQUENCY: 89kHz
PHASE MARGIN: 58°
L = 1.5 μH, C
10k
10k
10k
L = 1.5 μH, C
L = 1.5 μH, C
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
OUT
= 22 μF + 10 μF
100k
100k
100k
OUT
OUT
IN
IN
IN
= 22 μF
= 22 μF
= 5 V, V
= 5 V, V
= 5 V, V
OUT
OUT
OUT
= 1.8 V, I
= 2.5 V, I
= 3.3 V, I
1M
1M
1M
O
O
O
= 2 A,
= 2 A,
= 2 A,
200
160
120
80
40
0
–40
–80
–120
–160
–200
200
160
120
80
40
0
–40
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–200
200
160
120
80
40
0
–40
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–160
–200
Rev. 0 | Page 13 of 24
–16
–32
–48
–64
–80
–16
–32
–48
–64
–80
–16
–32
–48
–64
–80
80
64
48
32
16
80
64
48
32
16
80
64
48
32
16
Figure 43. ADP2120 Bode Plot at V
Figure 44. ADP2120 Bode Plot at V
Figure 45. ADP2120 Bode Plot at V
0
0
0
1k
1k
1k
CROSS FREQUENCY: 87kHz
PHASE MARGIN: 48°
CROSS FREQUENCY: 80kHz
PHASE MARGIN: 54°
CROSS FREQUENCY: 67kHz
PHASE MARGIN: 51°
L = 1.5 μH, C
L = 1.5 μH, C
L = 2.2 μH, C
10k
10k
10k
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
OUT
OUT
OUT
= 22 μF + 10 μF
= 22 μF + 10 μF
= 22 μF + 10 μF
100k
100k
100k
IN
IN
IN
ADP2119/ADP2120
= 5 V, V
= 5 V, V
= 5 V, V
OUT
OUT
OUT
= 1.0 V, I
= 1.2 V, I
= 1.5 V, I
1M
1M
1M
O
O
O
= 1.25 A,
= 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
200
160
120
80
40
0
–40
–80
–120
–160
–200