ADP151ACBZ-1.5-R7 datasheet(9/24 Pages) AD

9 / 24 page

ADP151

Rev. D | Page 9 of 24

–10

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–50

–60

–70

–80

–90

–100

100

10k

100k

10M

FREQUENCY (Hz)

200mA

100mA

10mA

1mA

100µA

Figure 19. Power Supply Rejection Ratio vs. Frequency, VOUT = 3.3 V,VIN = 3.8 V

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

100

10k

100k

10M

FREQUENCY (Hz)

VOUT = 3.3V, IOUT = 200mA

VOUT = 3.3V, IOUT = 10mA

VOUT = 2.8V, IOUT = 200mA

VOUT = 2.8V, IOUT = 10mA

VOUT = 1.1V, IOUT = 200mA

VOUT = 1.1V, IOUT = 10mA

Figure 20. Power Supply Rejection Ratio vs. Frequency at Various Output Voltages

and Load Currents, VOUT −VIN =0.5V, except for VOUT= 1.1 V, VIN = 2.2V

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

100

10k

100k

10M

FREQUENCY (Hz)

IOUT = 200mA, VIN = 3.3V

IOUT = 10mA, VIN =3.3V

IOUT = 200mA, VIN = 3.8V

IOUT = 10mA, VIN = 3.8V

Figure 21. Power Supply Rejection Ratio vs. Frequency at Various Voltages

and Load Currents, VOUT = 2.8 V

0.001

0.01

0.1

100

LOAD CURRENT (mA)

3.3V

2.8V

1.2V

1.1V

Figure 22. Output Noise vs. Load Current and Output Voltage,

VIN = 5 V, COUT = 1 μF

1000

100

100k

10k

100

FREQUENCY (Hz)

3.3V

2.8V

1.2V

1.1V

Figure 23. Output Noise Spectral Density vs. Frequency,

VIN = 5 V, ILOAD = 10 mA, COUT = 1 μF

CH1 200mA

CH2 50mV

M20µs

A CH1

64.0mA

T 10.00%

LOAD CURRENT

VOUT

Figure 24. Load Transient Response, CIN, COUT = 1 μF, ILOAD = 1 mA to 200 mA

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