ADP2119/ADP2120
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, VIN = VPVIN = 5 V, VOUT = 1.2 V, L = 1.5 μH, CIN = 22 μF, COUT = 2 × 22 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 SUMIDA
INDUCTOR SUMIDA
CDRH5D18BHPNP-1R5M
CDRH5D18BHPNP-1R5M
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
Figure 4. Efficiency (ADP2119, VIN = 3.3 V, FPWM) vs. Output Current
Figure 7. Efficiency (ADP2119, VIN = 3.3 V, PFM) vs. Output Current
100
90
80
70
60
50
40
100
90
80
70
60
50
40
30
20
10
0
30
20
10
0
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
INDUCTOR SUMIDA
INDUCTOR SUMIDA
CDRH5D18BHPNP-1R5M
CDRH5D18BHPNP-1R5M
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
Figure 5. Efficiency (ADP2119, VIN = 5 V, FPWM) vs. Output Current
Figure 8. Efficiency (ADP2119, VIN = 5 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
= 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
INDUCTOR SUMIDA
CDRH5D18BHPNP-1R5M
CDRH5D18BHPNP-1R5M
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
Figure 6. Efficiency (ADP2120, VIN = 3.3 V, FPWM) vs. Output Current
Figure 9. Efficiency (ADP2120, VIN = 3.3 V, PFM) vs. Output Current
Rev. 0 | Page 7 of 24