ADP5024 Analog Devices, ADP5024 Datasheet - Page 13

no-image

ADP5024

Manufacturer Part Number
ADP5024
Description
Dual 3 MHz, 1200 mA Buck Regulators with One 300 mA LDO
Manufacturer
Analog Devices
Datasheet
Data Sheet
Figure 29. VOUTx and SW Waveforms for BUCK1 and BUCK2 in PWM Mode
Figure 27. BUCK1 Response to Load Transient, I
Figure 28. BUCK2 Response to Load Transient, I
4
1
2
4
1
2
2
3
1
4
CH1
CH1 100mV
CH1 5.00V
CH3 5.00V
50.0mV
VOUT2
VOUT1
SW1
SW2
T
T
B W
B W
Showing Out-of-Phase Operation
B W
B W
V
V
VOUT
I
OUT1
OUT2
OUT
SW
CH4 5.00V
CH4
CH2 200mA Ω
CH2 200mA Ω
CH2
CH4 5.00V
= 3.3 V, Automatic Mode
= 1.8 V, Automatic Mode
VOUT
5.00V
I
5.00V
SW
OUT
T
B W
B W
B W
B W
B W
B W
M 20.0µs A CH2
M 400ns
M 20.0µs A CH2
T
T
T
19.20%
50.00%
20.40%
OUT1
OUT2
A CH4
from 20 mA to 180 mA,
from 20 mA to 180 mA,
88.0mA
408mA
1.90V
Rev. A | Page 13 of 28
Figure 31. LDO Load Regulation Across Input Voltage, V
2.820
2.815
2.810
2.805
2.800
2.795
2.790
2.785
2.780
2
1
3
400
350
300
250
200
150
100
Figure 32. NMOS RDS
50
CH1
CH3 5.00V
0
2.3
0
Figure 30. LDO Startup, V
2.00V
T
VOUT
0.05
2.8
EN
I
IN
B W
B W
CH2 50.0mA Ω
3.3
0.10
ON
INPUT VOLTAGE (V)
vs. Input Voltage Across Temperature
V
I
IN
OUT
3.8
B W
B W
0.15
OUT3
= 5.5V
–40°C
+25°C
(A)
M 40.0µs
T
V
= 3.0 V, I
IN
11.20%
= 4.5V
V
4.3
IN
0.20
+125°C
= 5.0V
OUT3
A CH3
4.8
= 5 mA
V
0.25
IN
ADP5024
= 3.3V
OUT3
2.2V
5.3
= 2.8 V
0.30

Related parts for ADP5024