ADP7102ACPZ-5.0-R7 datasheet(14/28 Pages) AD

14 / 28 page

ADP7102

Data Sheet

Rev. A | Page 14 of 28

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

0.25

0.50

0.75

1.00

1.25

1.50

HEADROOM VOLTAGE (V)

LOAD = 1mA

LOAD = 10mA

LOAD = 100mA

LOAD = 300mA

Figure 47. Power Supply Rejection Ratio vs. Headroom Voltage, 10 kHz,

VOUT = 5 V

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

0.25

0.50

0.75

1.00

1.25

1.50

HEADROOM VOLTAGE (V)

LOAD = 1mA

LOAD = 10mA

LOAD = 100mA

LOAD = 300mA

Figure 48. Power Supply Rejection Ratio vs. Headroom Voltage, 100 kHz,

VOUT = 5 V

0.00001

0.0001

0.001

0.01

0.1

LOAD CURRENT (A)

3.3V

1.8V

5VADJ

5VADJ NR

Figure 49. Output Noise vs. Load Current and Output Voltage,

COUT = 1 μF

0.01

0.1

100

10k

100k

FREQUENCY (Hz)

3.3V

5V ADJ

5V ADJ NR

Figure 50. Output Noise Spectral Density, ILOAD = 10 mA, COUT = 1 μF

CH2 50mV

CH1 200mA

M 20µs

A CH1

76mA

T 10.4%

Ω

LOAD CURRENT

OUTPUT VOLTAGE

Figure 51. Load Transient Response, CIN, COUT = 1 μF, ILOAD = 1 mA to 300 mA,

VOUT = 1.8 V, VIN = 5 V

CH1 200mA

CH2 50mV

M 20µs

A CH1

168mA

T 10.2%

Ω

LOAD CURRENT

OUTPUT VOLTAGE

Figure 52. Load Transient Response, CIN, COUT = 1 μF, ILOAD = 1 mA to 300 mA,

VOUT = 3.3 V, VIN = 5 V

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