ADP5023 Analog Devices, ADP5023 Datasheet - Page 9

• Manufacturer Part Number: ADP5023
• Description: Dual 3 MHz, 800 mA Buck Regulator with One 300 mA LDO
• Manufacturer: Analog Devices

Data Sheet
Figure 10. BUCK1 Efficiency vs. Load Current, Across Input Voltage,
Figure 11. BUCK2 Efficiency vs. Load Current, Across Input Voltage,
Figure 9. BUCK1 Efficiency vs. Load Current, Across Input Voltage,
100
100
100
90
80
70
60
50
40
30
20
10
0.0001
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0.001
0.001
0
0
0
0.001
V
V
V
OUT1
OUT1
OUT2
0.01
0.01
= 3.3 V, PWM Mode
= 3.3 V, Auto Mode
= 1.8 V, Auto Mode
I
I
I
OUT
OUT
OUT
0.01
(A)
(A)
(A)
0.1
0.1
0.1
V
V
V
V
V
V
V
V
V
V
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
= 3.9V
= 4.2V
= 5.5V
= 2.3V
= 3.6V
= 4.2V
= 5.5V
= 3.9V
= 4.2V
= 5.5V
1
1
1
Rev. A | Page 9 of 28
Figure 12. BUCK2 Efficiency vs. Load Current, Across Input Voltage,
Figure 13. BUCK1 Efficiency vs. Load Current, Across Input Voltage,
Figure 14. BUCK1 Efficiency vs. Load Current, Across Input Voltage,
100
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0.001
0.001
0.001
0
0
0
V
V
V
OUT2
0.01
OUT1
OUT1
0.01
0.01
= 1.8 V, PWM Mode
= 0.8 V, PWM Mode
= 0.8 V, Auto Mode
I
I
I
OUT
OUT
OUT
(A)
(A)
(A)
0.1
0.1
0.1
V
V
V
V
V
V
V
V
V
V
V
V
ADP5023
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
= 2.4V
= 3.6V
= 4.5V
= 5.5V
= 2.3V
= 3.6V
= 4.2V
= 5.5V
= 2.3V
= 3.6V
= 4.2V
= 5.5V
1
1
1