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