ADM7172ACPZ-1.8-R7 datasheet(15/24 Pages) AD

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ADM7172

Data Sheet

FREQUENCY (Hz)

10M

100

10k

100k

100

10k

100k

ILOAD = 1mA

ILOAD = 10mA

ILOAD = 100mA

ILOAD = 500mA

ILOAD = 1.0A

ILOAD = 2.0A

Figure 46. Output Noise Spectral Density, VOUT = 5 V

FREQUENCY (Hz)

10M

100

10k

100k

100

10k

100k

5.0V

3.0V

1.2V

Figure 47. Output Noise Spectral Density, Different Output Voltages, Load

Current = 100 mA

CH1 500mA ΩBW CH2 20mV BW M4.0µs

A CH1

570mA

T 10.4%

Figure 48. Load Transient Response, ILOAD = 10 mA to 1 A,

VOUT = 5 V, VIN = 5.5 V, CH1 = ILOAD, CH2 = VOUT

CH1 500mA ΩBW CH2 20mV BW M1.0µs

A CH1

950mA

T 12.4%

Figure 49. Load Transient Response, ILOAD = 100 mA to 1.6 A,

VOUT = 5 V, VIN = 5.5 V, CH1 = ILOAD, CH2 = VOUT

CH1 500mA ΩBW CH2 20mV BW M1.0µs

A CH1

530mA

T 10.8%

Figure 50. Load Transient Response, ILOAD = 10 mA to 1 A,

Adjustable Version, VOUT = 1.2 V, VIN = 2.5 V, CH1 = ILOAD, CH2 = VOUT

CH1 500mA ΩBW CH2 20mV BW M1.0µs

A CH1

530mA

T 11.6%

Figure 51. Load Transient Response, ILOAD = 100 mA to 1.6 A,

Adjustable Version, VOUT = 1.2 V, VIN = 2.5 V, CH1 = ILOAD, CH2 = VOUT

Rev. C | Page 14 of 23

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