ADP5020(RevA) 查看數據表（PDF） - Analog Devices

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ADP5020
(Rev.:RevA)

Power Management Unit for Imaging Modules

Analog Devices 

ADP5020

Data Sheet

VIN = 4.5 V, VOUT1 = 2.8 V, VOUT2 = VOUT3 = 1.8 V, IOUT = 100 mA, C4 = C1 = 10 µF, C2 =4.7 µF, C3 = 1 µF, TJ = 25°C, unless otherwise noted.

LDO OUTPUT = 1V/DIV

TIME = 50µs/DIV

SW2

LDO

BUCK 2

BUCK 2 OUTPUT = 20mV/DIV

SW2 = 5V/DIV

TIME = 100ns/DIV

Figure 18. LDO Startup

SW1

BUCK 1

BUCK 1 OUTPUT = 20mV/DIV

SW1 = 5V/DIV

TIME = 100ns/DIV

Figure 19. Buck 1 Switching Node Voltage and

Output Ripple Voltage

Figure 20. Buck 2 Switching Node Voltage and

Output Ripple Voltage

BUCK 1

LDO

BUCK 1 OUTPUT = 2V/DIV

BUCK 2 OUTPUT = 1V/DIV

LDO OUTPUT = 1V/DIV

ENABLE OUTPUT = 2V/DIV

TIME = 5ms/DIV

BUCK 2

ENABLE

Figure 21. Three Regulators Turned Off by Sequencer

Rev. A | Page 12 of 28

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