ADP5024 Analog Devices, ADP5024 Datasheet - Page 11

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

Data Sheet
Figure 15. BUCK1 Efficiency vs. Load Current, Across Temperature,
Figure 16. BUCK2 Efficiency vs. Load Current, Across Temperature,
Figure 17. BUCK1 Efficiency vs. Load Current, Across Temperature,
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
+25°C
V
IN
= 3.9 V, V
–40°C
V
V
+85°C
OUT2
OUT1
+25°C
0.01
= 1.8 V, Automatic Mode
0.01
= 0.8 V, Automatic Mode
0.01
–40°C
OUT1
= 3.3 V, Automatic Mode
I
I
I
OUT
OUT
OUT
(A)
(A)
(A)
0.1
0.1
0.1
–40°C
+25°C
+85°C
+85°C
1
1
1
Rev. A | Page 11 of 28
Figure 19. Typical Waveforms, V
Figure 20. Typical Waveforms, V
Figure 18. BUCK2 Switching Frequency vs. Output Current, Across
1
2
4
1
2
4
3.3
3.2
3.1
3.0
2.9
2.8
2.7
2.6
2.5
CH1
CH1
0
50mV
50mV
VOUT
Temperature, V
VOUT
+25°C
0.2
I
SW
SW
B W
I
SW
SW
CH2 500mA Ω
CH4 2.00V
CH2 500mA Ω
CH4 2.00V
T
T
0.4
OUT1
OUT2
+85°C
OUT2
= 3.3 V, I
= 1.8 V, I
I
B W
OUT
= 1.8 V, PWM Mode
0.6
M 4.00µs
M 4.00µs
T
T
(A)
28.40%
28.40%
OUT1
OUT2
0.8
= 30 mA, Automatic Mode
= 30 mA, Automatic Mode
A CH2
A CH2
–40°C
1.0
ADP5024
240mA
220mA
1.2