ADP5020 Analog Devices, ADP5020 Datasheet - Page 12
ADP5020
Manufacturer Part Number
ADP5020
Description
Power Management Unit for Imaging Modules
Manufacturer
Analog Devices
Datasheet
1.ADP5020.pdf
(28 pages)
- Current page: 12 of 28
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ADP5020
V
IN
= 4.5 V, V
BUCK 1
LDO
SW1
Figure 19. Buck 1 Switching Node Voltage and
OUT1
= 2.8 V, V
Figure 18. LDO Startup
Output Ripple Voltage
OUT2
BUCK 1 OUTPUT = 20mV/DIV
SW1 = 5V/DIV
TIME = 100ns/DIV
= V
LDO OUTPUT = 1V/DIV
TIME = 50µs/DIV
OUT3
= 1.8 V, I
OUT
= 100 mA, C
Rev. 0 | Page 12 of 28
4
= C
1
= 10 μF, C
2
ENABLE
BUCK 2
BUCK 1
BUCK 2
=4.7 μF, C
SW2
Figure 21. Three Regulators Turned Off by Sequencer
LDO
Figure 20. Buck 2 Switching Node Voltage and
3
= 1 μF, T
Output Ripple Voltage
J
BUCK 2 OUTPUT = 20mV/DIV
SW2 = 5V/DIV
TIME = 100ns/DIV
= 25°C, unless otherwise noted.
BUCK 1 OUTPUT = 2V/DIV
BUCK 2 OUTPUT = 1V/DIV
LDO OUTPUT = 1V/DIV
ENABLE OUTPUT = 2V/DIV
TIME = 5ms/DIV
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