ADP5033 Analog Devices, ADP5033 Datasheet - Page 12

• Manufacturer Part Number: ADP5033
• Description: Dual 3 MHz, 800 mA Buck Regulators with Two 300 mA LDOs
• Manufacturer: Analog Devices

ADP5033
Figure 27. BUCK1 Response to Load Transient, I
Figure 28. BUCK2 Response to Load Transient, I
Figure 29. VOUT and SW Waveforms for BUCK1 and BUCK2 in PWM Mode
4
1
2
2
3
1
4
4
1
2
CH1 100mV
CH1 5.00V
CH3 5.00V
CH1
50.0mV
VOUT2
VOUT1
SW1
SW2
T
T
Showing Out-of-Phase Operation
VOUT
I
SW
OUT
CH2 200mA Ω
CH4
CH2 200mA Ω
CH4 5.00V
CH2
CH4 5.00V
V
V
OUT1
OUT2
VOUT
5.00V
I
5.00V
OUT
SW
= 3.3 V, Auto Mode
= 1.8 V, Auto Mode
T
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 12 of 28
Figure 32. LDO Load Regulation Across Temperature, V
2.820
2.815
2.810
2.805
2.800
2.795
2.790
2.785
2.780
Figure 31. LDO Load Regulation Across Input Voltage, V
3.45
3.40
3.35
3.30
3.25
3.20
3.15
2
1
3
CH1
CH3 5.00V
0
0
Figure 30. LDO Startup, VOUT3 = 3.0 V, I
2.00V
T
V
V
VOUT
0.05
IN
IN
0.05
EN
I
IN
= 4.2V, +85°C
= 4.2V, –40°C
CH2 50.0mA Ω
0.10
0.10
V
IN
V
= 4.2V, +25°C
I
I
IN
OUT
OUT
0.15
0.15
= 5.5V
(A)
(A)
M 40.0µs
V
T
IN
11.20%
= 4.5V
V
IN
0.20
0.20
= 5.0V
OUT3
A CH3
IN3
Data Sheet
= 4.2 V, V
= 5 mA
V
0.25
0.25
IN
= 3.3V
OUT3
2.2V
= 2.8 V
OUT3
0.30
0.30
= 3.3 V