ADP5020ACPZ-R7 datasheet(10/28 Pages) AD

10 / 28 page

ADP5020

Rev. 0 | Page 10 of

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

3.0

2.5

2.0

1.5

1.0

120

150

LOAD CURRENT (mA)

3.3V

3.0V

2.8V

2.5V

1.8V

2.0V

Figure 6. LDO Load Regulation

ILOAD

LDO

LDO OUTPUT = 20mV/DIV

ILOAD = 100mA/DIV

TIME = 100µs/DIV

Figure 7. LDO Load Transient

3.8

3.6

3.4

3.2

3.0

2.8

2.6

2.4

2.2

100

200

300

400

500

600

LOAD CURRENT (mA)

VOUT6 (3.3V)

VOUT7 (3.7V)

VOUT5 (3.2V)

VOUT4 (3.0V)

VOUT3 (2.9V)

VOUT1 (2.5V)

VOUT2 (2.8V)

Figure 8. Buck 1 Load Regulation

100

200

300

400

500

600

LOAD CURRENT (mA)

VOUT1 (2.5V)

VOUT2 (2.8V)

VOUT3 (2.9V)

VOUT4 (3.0V)

VOUT5 (3.2V)

VOUT6 (3.3V)

VOUT7 (3.7V)

Figure 9. Buck 1, Efficiency vs. Load Current

ILOAD

BUCK 1

BUCK 1 OUTPUT = 100mV/DIV

ILOAD = 100mA/DIV

TIME = 100µs/DIV

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

100

150

200

250

300

LOAD CURRENT (mA)

VOUT7 (1.7V)

VOUT8 (1.8V)

VOUT6 (1.6V)

VOUT4 (1.4V)

VOUT5 (1.5V)

VOUT3 (1.3V)

VOUT1 (1.1V)

VOUT2 (1.2V)

Figure 11. Buck 2 Load Regulation

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