ADP1706ACPZ-0.9-R7 datasheet(8/20 Pages) AD

8 / 20 page

ADP1706/ADP1707/ADP1708

Rev. 0 | Page 8 of 20

400

1000

ILOAD (mA)

100

350

300

250

200

150

100

Figure 16. Dropout Voltage vs. Load Current

3.4

2.5

3.0

4.0

VIN (V)

3.3

3.2

3.1

3.0

2.9

2.8

2.7

2.6

3.2

3.4

3.6

3.8

ILOAD = 10mA

ILOAD = 100mA

ILOAD = 300mA

ILOAD = 500mA

ILOAD = 750mA

ILOAD = 1A

Figure 17. Output Voltage vs. Input Voltage (in Dropout)

2500

3.0

4.0

VIN (V)

3.2

3.4

3.6

3.8

2000

1500

1000

500

ILOAD = 1A

ILOAD = 750mA

ILOAD = 500mA

ILOAD = 300mA

ILOAD = 100mA

ILOAD = 10mA

Figure 18. Ground Current vs. Input Voltage (in Dropout)

VOUT

TIME (20µs/DIV)

VIN = 3.8V

VOUT = 1.6V

CIN = 4.7µF

COUT = 4.7µF

LOAD SWITCHED FROM 50mA TO 950mA

AND BACK TO 50mA

Figure 19. Load Transient Response, CIN = 4.7 μF, COUT = 4.7 μF

VOUT

TIME (20μs/DIV)

VIN = 3.8V

VOUT = 1.6V

CIN = 22μF

COUT = 22μF

LOAD SWITCHED FROM 50mA TO 950mA

AND BACK TO 50mA

Figure 20. Load Transient Response, CIN = 22 μF, COUT = 22 μF

TIME (100μs/DIV)

VOUT = 3.3V

CIN = 4.7μF

COUT = 4.7μF

ILOAD = 1A

VIN STEP FROM 4V TO 5V

VOUT

Figure 21. Line Transient Response

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