ADM7150ACPZ-4.8-R7 datasheet(11/24 Pages) AD

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Data Sheet

ADM7150

FREQUENCY (Hz)

10M

100

10k

100k

–120

–20

–40

–60

–80

–100

LOAD = 800mA

LOAD = 400mA

LOAD = 200mA

LOAD = 100mA

LOAD = 10mA

Figure 29. Power Supply Rejection Ratio (PSRR) vs. Frequency,

VOUT = 3.3 V, VIN = 5 V

FREQUENCY (Hz)

10M

100

10k

100k

–120

–20

–40

–60

–80

–100

LOAD = 800mA

LOAD = 400mA

LOAD = 200mA

LOAD = 100mA

LOAD = 10mA

Figure 30. Power Supply Rejection Ratio (PSRR) vs. Frequency,

VOUT = 1.8 V, VIN = 5 V

HEADROOM (V)

1.2

1.1

1.0

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

–120

–20

–40

–60

–80

–100

10Hz

100Hz

1kHz

10kHz

100kHz

1MHz

10MHz

Figure 31. Power Supply Rejection Ratio (PSRR) vs. Headroom Voltage,

100 mA Load, VOUT = 5 V

HEADROOM (V)

1.5

1.3

1.1

0.9

0.7

0.5

0.3

–120

–20

–40

–60

–80

–100

10Hz

100Hz

1kHz

10kHz

100kHz

1MHz

10MHz

Figure 32. Power Supply Rejection Ratio (PSRR) vs. Headroom Voltage,

400 mA Load, VOUT = 5 V

HEADROOM (V)

1.6

1.5

1.4

1.3

1.2

1.1

1.0

0.9

0.8

0.7

0.6

–120

–20

–40

–60

–80

–100

10Hz

100Hz

1kHz

10kHz

100kHz

1MHz

10MHz

Figure 33. Power Supply Rejection Ratio (PSRR) vs. Headroom Voltage,

800 mA Load, VOUT = 5 V

CAPACITANCE (µF)

1000

100

–70

–60

–50

–40

–30

–20

–10

10Hz

100Hz

1kHz

10kHz

100kHz

1MHz

Figure 34. Power Supply Rejection Ratio (PSRR) vs. CBYP,

400 mA Load, 400 mV Headroom, VOUT = 5 V

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