Datasheet

ADP2118 Data Sheet
Rev. C | Page 8 of 24
0
10
20
30
40
50
60
70
80
90
100
0
0.5 1.0
1.5
2.0 2.5 3.0
EFFICIENCY (%)
OUTPUT CURRENT(A)
V
OUT
= 1.0V
V
OUT
= 1.2V
V
OUT
= 1.5V
V
OUT
= 1.8V
V
OUT
= 2.5V
V
OUT
= 3.3V
INDUCTOR SUMIDA
CDRH105R2R2NC
08301-020
Figure 10. Efficiency (600 kHz, V
IN
= 5 V, FPWM) vs. Output Current
80
85
90
95
100
105
110
115
120
2.3 2.7
3.1 3.5
3.9 4.3
4.7
5.1
5.5
QUIESCENT CURRENT (µA)
V
IN
(V)
T
J
= –40°C
T
J
= +25°C
T
J
= +125
°C
08301-021
Figure 11. Quiescent Current vs. V
IN
(No Switching)
40
50
60
70
80
90
100
110
120
130
2.3 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
PFET RESISTOR (mΩ)
T
J
= –40°C
T
J
= +25°C
T
J
= +125°C
V
IN
(V)
08301-022
Figure 12. PFET Resistor vs. V
IN
(Pin-to-Pin Measurements)
0
10
20
30
40
50
60
70
80
90
100
0 0.5
1.0
1.5
2.0
2.5
3.0
EFFICIENCY (%)
OUTPUT CURRENT (A)
INDUCTOR SUMIDA
CDRH105R2R2NC
V
OUT
= 1.0V
V
OUT
= 1.2V
V
OUT
= 1.5V
V
OUT
= 1.8V
V
OUT
= 2.5V
V
OUT
= 3.3V
08301-023
Figure 13. Efficiency (600 kHz, V
IN
= 5 V, PFM) vs. Output Current
594
595
596
597
598
599
600
601
602
603
604
605
606
–40 –20 0 20 40 60 80 100 120
FEEDBACK VOLTAGE (mV)
TEMPERATURE (°C
)
08301-024
Figure 14. Feedback Voltage vs. Temperature (V
IN
= 3.3 V)
10
20
30
40
50
60
70
80
2.3
2.7
3.1 3.5
3.9
4.3 4.7
5.1 5.5
NFET RESISTOR (mΩ)
V
IN
(V)
T
J
= –40°C
T
J
= +25°C
T
J
= +125°C
08301-025
Figure 15. NFET Resistor vs. V
IN
(Pin-to-Pin Measurements)