ADP5022 Analog Devices, ADP5022 Datasheet - Page 9

• Manufacturer Part Number: ADP5022
• Description: Dual 3 MHz, 600 mA Buck Regulator with 150 mA LDO
• Manufacturer: Analog Devices

Figure 11. Buck 2 Load Regulation Across Input Voltage, VOUT1 = 1.8 V,
Figure 12. Buck1 Load Regulation Across Input Voltage, VOUT2 = 3.3 V,
Figure 10. Buck2 Load Regulation Across Temperature, VOUT2 = 1.8 V,
1.834
1.824
1.814
1.804
1.794
1.784
1.774
1.764
1.834
1.824
1.814
1.804
1.794
1.784
1.774
1.764
3.354
3.334
3.314
3.294
3.274
3.254
3.234
0
0
0
0.1
0.1
0.1
0.2
0.2
0.2
PWM Mode
PWM Mode
Auto Mode
I
I
I
OUT
OUT
OUT
0.3
0.3
0.3
(A)
(A)
(A)
0.4
0.4
0.4
V
V
V
IN
IN
IN
T
T
T
V
V
V
V
0.5
0.5
0.5
A
A
A
IN
IN
IN
IN
= 3.6V
= 4.5V
= 5.5V
= +25°C
= –40°C
= +85°C
= 5.5V
= 4.5V
= 3.6V
= 2.4V
0.6
0.6
0.6
Rev. C | Page 9 of 28
Figure 13. Buck1 Efficiency vs. Load Current, Across Input Voltage,
Figure 14. Buck1 Efficiency vs. Load Current, Across Input Voltage,
Figure 15. Buck2 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
0.0001
0.001
0
0
0
0.001
0.001
VOUT1 = 3.3 V, PWM Mode
VOUT1 = 3.3 V, Auto Mode
VOUT2 = 1.8 V, Auto Mode
0.01
I
I
I
OUT
OUT
OUT
0.01
0.01
(A)
(A)
(A)
V
V
V
IN
IN
IN
0.1
= 3.6V
= 4.5V
= 5.5V
0.1
0.1
V
V
V
V
V
V
V
IN
IN
IN
IN
IN
IN
IN
ADP5022
= 3.6V
= 4.5V
= 5.5V
= 5.5V
= 4.5V
= 3.6V
= 2.4V
1
1
1