ADM7171ACPZ-R2 datasheet(12/24 Pages) AD

12 / 24 page

Data Sheet

ADM7171

Rev. C | Page 11 of 23

Figure 28. Ground Current vs. Input Voltage (VIN), Adjustable Version,

VOUT = 1.2 V

Figure 29. Soft Start Current vs. Temperature, Different Input Voltages,

VOUT = 5 V

Figure 30. Power Supply Rejection Ratio (PSRR) vs. Frequency, VOUT = 3 V,

1 A Load Current, Various Headroom Voltages

Figure 31. Power Supply Rejection Ratio (PSRR) vs. Headroom, VOUT = 3 V,

1 A Load Current, Different Frequencies

Figure 32. Power Supply Rejection Ratio (PSRR) vs. Frequency, 800 mV

Headroom, VOUT = 3 V

Figure 33. Power Supply Rejection Ratio (PSRR) vs. Frequency, 400 mV

Headroom, VOUT = 3 V

VIN (V)

6.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

ILOAD = 100µA

ILOAD = 10mA

ILOAD = 100mA

ILOAD = 500mA

ILOAD = 1000mA

TEMPERATURE (°C)

125

–5

–40

0.8

0.9

1.0

1.1

1.2

VIN = 3.0V

VIN = 4.0V

VIN = 5.0V

VIN = 6.0V

VIN = 6.5V

FREQUENCY (Hz)

10M

100

10k

100k

–100

–80

–60

–40

–20

800mV

700mV

600mV

500mV

400mV

300mV

200mV

160mV

100mV

HEADROOM (V)

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

–100

–80

–60

–40

–20

10Hz

100Hz

1kHz

10kHz

100kHz

1MHz

10MHz

FREQUENCY (Hz)

10M

100

10k

100k

–100

–80

–60

–40

–20

ILOAD = 100mA

ILOAD = 200mA

ILOAD = 500mA

ILOAD = 1A

FREQUENCY (Hz)

10M

100

10k

100k

–100

–80

–60

–40

–20

ILOAD = 100mA

ILOAD = 200mA

ILOAD = 500mA

ILOAD = 1A

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