Datasheet

ADP2119/ADP2120 Data Sheet
Rev. A | Page 8 of 24
100
0
10
20
30
40
50
60
70
80
90
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
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
CDRH5D18BHPNP-1R5M
08716-010
Figure 10. Efficiency (ADP2120, V
IN
= 5 V, FPWM) vs. Output Current
900
850
800
750
700
650
600
550
500
450
400
2.3 5.55.14.74.33.93.53.1
2.7
QUIESCENT CURRENT (µA)
V
IN
(V)
T
J
= +125°C
T
J
= +25°C
T
J
= –40°C
08716-011
Figure 11. Quiescent Current vs. V
IN
(Switching)
275
250
225
200
175
150
125
100
75
50
2.3 5.55.14.74.33.93.53.12.7
PFET RESISTOR (mΩ)
V
IN
(V)
T
J
= +125°C
T
J
= +25°C
T
J
= –40°C
08716-012
Figure 12. PFET Resistor vs. V
IN
(Pin-to-Pin Measurements)
100
0
10
20
30
40
50
60
70
80
90
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
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
CDRH5D18BHPNP-1R5M
08716-013
Figure 13. Efficiency (ADP2120, V
IN
= 5 V, PFM) vs. Output Current
605
604
603
602
601
600
599
598
597
596
595
594
–40 120100806040200–20
FEEDBACK VOLTAGE (mV)
TEMPERATURE (°C)
08716-014
Figure 14. Feedback Voltage vs. Temperature (V
IN
= 3.3 V)
120
110
100
90
80
70
60
50
40
30
2.3 5.55.14.74.33.93.53.12.7
NFET RESISTOR (mΩ)
V
IN
(V)
T
J
= +125°C
T
J
= +25°C
T
J
= –40°C
08716-015
Figure 15. NFET Resistor vs. V
IN
(Pin-to-Pin Measurements)