ADP5024 Analog Devices, ADP5024 Datasheet - Page 10

• Manufacturer Part Number: ADP5024
• Description: Dual 3 MHz, 1200 mA Buck Regulators with One 300 mA LDO
• Manufacturer: Analog Devices

ADP5024
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
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0.0001
0.001
0.001
0
0
0
V
V
IN
IN
= 3.9V
= 3.6V
V
IN
0.001
V
V
OUT1
OUT2
= 4.2V
V
V
OUT1
V
IN
0.01
0.01
= 1.8 V, Automatic Mode
= 3.3 V, Automatic Mode
IN
V
= 3.9V
IN
= 3.3 V, PWM Mode
= 4.2V
= 5.5V
I
I
I
OUT
OUT
OUT
0.01
(A)
(A)
(A)
V
IN
V
IN
= 5.5V
0.1
0.1
= 4.2V
V
IN
0.1
= 5.5V
V
IN
= 2.3V
1
1
1
Rev. A | Page 10 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
IN
V
= 3.6V
IN
V
= 2.3V
OUT1
V
V
OUT2
OUT1
V
V
0.01
0.01
0.01
= 0.8 V, Automatic Mode
V
IN
IN
IN
= 1.8 V, PWM Mode
= 2.3V
= 0.8 V, PWM Mode
= 4.2V
= 3.6V
V
I
I
I
OUT
OUT
OUT
IN
= 3.6V
(A)
(A)
(A)
V
V
V
IN
IN
IN
= 4.2V
= 4.2V
= 5.5V
0.1
0.1
0.1
V
V
IN
IN
= 5.5V
= 5.5V
V
Data Sheet
IN
= 2.3V
1
1
1