ADP221ACDZ-1818-R7 datasheet(10/20 Pages) AD

10 / 20 page

ADP220/ADP221

Data Sheet

Rev. H | Page 10 of 20

0.001

0.01

0.1

100

LOAD CURRENT (mA)

3.3V

2.8V

1.8V

0.8V

Figure 22. Output Noise vs. Load Current and Output Voltage, VIN = 5 V

CH1

200mA ΩBW CH2 50.0mV BW

CH3 10.0mV

M40.0μs A CH1

132mA

T 10.00%

ILOAD1

VOUT1

VOUT2

ILOAD1 = 1mA TO 200mA, ILOAD2 = 1mA

Figure 23. Load Transient Response,

ILOAD1 = 1 mA to 200 mA, ILOAD2 = 1 mA

CH1 = ILOAD1, CH2 = VOUT1, CH3 = VOUT2

CH1

200mA ΩBW CH2 50.0mV BW

CH3 10.0mV

M40.0μs A CH1

132mA

T 10.00%

ILOAD1

VOUT1

VOUT2

ILOAD1 = 1mA TO 200mA, ILOAD2 = 100mA

Figure 24. Load Transient Response,

ILOAD1 = 1 mA to 200 mA, ILOAD2 = 100 mA,

CH1 = ILOAD1, CH2 = VOUT1, CH3 = VOUT2

CH1 1.00V BW CH2 5.00mV

CH3 5.00mV

M20.0μs A CH1

4.46V

T 13.60%

VIN

VOUT1

VOUT2

VIN = 4V TO 5V, ILOAD1 = 200mA, ILOAD2 = 100mA

Figure 25. Line Transient Response,

VIN = 4 V to 5 V, ILOAD1 = 200 mA, ILOAD2 = 100 mA

CH1 = VIN, CH2 = VOUT1, CH3 = VOUT2

CH1 1.00V BW CH2 5.00mV

CH3 5.00mV

M20.0μs A CH1

4.46V

T 10.00%

VIN

VOUT1

VOUT2

VIN = 4V TO 5V, ILOAD1 = 200mA, ILOAD2 = 1mA

Figure 26. Line Transient Response

VIN = 4 V to 5 V, ILOAD1 = 200 mA, ILOAD2 = 1 mA

CH1 = VIN, CH2 = VOUT1, CH3 = VOUT2

CH1 5.00V BW CH2 2.00V BW

CH3 2.00V

M40.0μs A CH1

2.10V

T 9.80%

Figure 27. Shutdown Response, ADP221

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