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

TYPICAL PERFORMANCE CHARACTERISTICS

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.

3.5

95

3.3V

3.0V

3.0

90

2.8V

2.5V

2.5

85

2.0V

2.0

1.8V

1.5

1.0

0

30

60

90

120

150

LOAD CURRENT (mA)

Figure 6. LDO Load Regulation

80

VOUT1 (2.5V)

VOUT2 (2.8V)

VOUT3 (2.9V)

VOUT4 (3.0V)

75

VOUT5 (3.2V)

VOUT6 (3.3V)

VOUT7 (3.7V)

70

0

100

200

300

400

500

600

LOAD CURRENT (mA)

Figure 9. Buck 1, Efficiency vs. Load Current

LDO

LDO OUTPUT = 20mV/DIV

ILOAD = 100mA/DIV

TIME = 100µs/DIV

BUCK 1 OUTPUT = 100mV/DIV

ILOAD = 100mA/DIV

TIME = 100µs/DIV

BUCK 1

ILOAD

Figure 7. LDO Load Transient

3.8

3.6

3.4

3.2

3.0

2.8

2.6

2.4

2.2

0

0

VOUT7 (3.7V)

VOUT6 (3.3V)

VOUT4 (3.0V)

VOUT5 (3.2V)

VOUT3 (2.9V)

VOUT2 (2.8V)

VOUT1 (2.5V)

100

200

300

400

500

600

LOAD CURRENT (mA)

Figure 8. Buck 1 Load Regulation

ILOAD

Figure 10. Buck 1 Load Transient Response

1.9

1.8

1.7

1.6

1.5

1.4

1.3

1.2

1.1

0

0

VOUT8 (1.8V)

VOUT7 (1.7V)

VOUT6 (1.6V)

VOUT5 (1.5V)

VOUT4 (1.4V)

VOUT3 (1.3V)

VOUT2 (1.2V)

VOUT1 (1.1V)

50

100

150

200

250

300

LOAD CURRENT (mA)

Figure 11. Buck 2 Load Regulation

Rev. A | Page 10 of 28

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