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ADP2118 Datasheet(PDF) 7 Page - Analog Devices

Part # ADP2118
Description  3 A, 1.2 MHz/600 kHz High Efficiency Synchronous Step-Down DC-to-DC Converter
PDF  24 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADP2118 Datasheet(HTML) 7 Page - Analog Devices

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ADP2118
Rev. 0 | Page 7 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, VIN = 5 V, VOUT = 1.2 V, L = 1 µH, CIN = 100 µF, COUT = 100 µF, unless otherwise noted.
0
10
20
30
40
50
60
70
80
90
100
0
0.5
1.0
1.5
2.0
2.5
3.0
OUTPUT CURRENT (A)
VOUT = 1.0V
VOUT = 1.2V
VOUT = 1.5V
VOUT = 1.8V
VOUT = 2.5V
INDUCTOR COILCRAFT
MSS1038-102NL
Figure 4. Efficiency (1.2 MHz, VIN = 3.3 V, FPWM) vs. Output Current
0
10
20
30
40
50
60
70
80
90
100
0
0.5
1.0
1.5
2.0
2.5
3.0
OUTPUT CURRENT (A)
INDUCTOR COILCRAFT
MSS1038-102NL
VOUT = 1.0V
VOUT = 1.2V
VOUT = 1.5V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
Figure 5. Efficiency (1.2 MHz, VIN = 5 V, FPWM) vs. Output Current
0
10
20
30
40
50
60
70
80
90
100
0
0.5
1.0
1.5
2.0
2.5
3.0
OUTPUT CURRENT (A)
VOUT = 1.0V
VOUT = 1.2V
VOUT = 1.5V
VOUT = 1.8V
VOUT = 2.5V
INDUCTOR SUMIDA
CDRH105R2R2NC
Figure 6. Efficiency (600 kHz, VIN = 3.3 V, FPWM) vs. Output Current
0
10
20
30
40
50
60
70
80
90
100
0
0.5
1.0
1.5
2.0
2.5
3.0
OUTPUT CURRENT (A)
VOUT = 1.0V
VOUT = 1.2V
VOUT = 1.5V
VOUT = 1.8V
VOUT = 2.5V
INDUCTOR COILCRAFT
MSS1038-102NL
Figure 7. Efficiency (1.2 MHz, VIN = 3.3 V, PFM) vs. Output Current
0
10
20
30
40
50
60
70
80
90
100
0
0.5
1.0
1.5
2.0
2.5
3.0
OUTPUT CURRENT (A)
INDUCTOR COILCRAFT
MSS1038-102NL
VOUT = 1.0V
VOUT = 1.2V
VOUT = 1.5V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
Figure 8. Efficiency (1.2 MHz, VIN = 5 V, PFM) vs. Output Current
0
0.5
1.0
1.5
2.0
2.5
3.0
0
10
20
30
40
50
60
70
80
90
100
OUTPUT CURRENT (A)
VOUT = 1.0V
VOUT = 1.2V
VOUT = 1.5V
VOUT = 1.8V
VOUT = 2.5V
INDUCTOR SUMIDA
CDRH105R2R2NC
Figure 9. Efficiency (600 kHz, VIN = 3.3 V, PFM) vs. Output Current



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