ADP5040ACPZ-1-R7 datasheet(22/40 Pages) AD

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ADP5040

Data Sheet

Rev. 0 | Page 22 of 40

CH2

CH3

A CH3

4.02V

VOUT

20.0mV/DIV

1.0V/DIV

W 20.0M

1MΩ BW 20.0M

200µs/DIV

1.0MS/s

1.0µs/pt

VIN

Figure 87. LDO1, LDO2 Response to Line Transient, Input Voltage from

3.3 V to 3.8 V, VOUT = 1.8 V

CH2

CH3

A CH3

4.84V

VOUT

20.0mV/DIV

1.0V/DIV

W 20.0M

1MΩ BW 20.0M

200µs/DIV

1.0MS/s

1.0µs/pt

VIN

Figure 88. LDO1, LDO2 Response to Line Transient, Input Voltage from

3.3 V to 3.8 V, VOUT = 1.2 V

0.7

0.6

0.5

0.4

0.3

0.2

0.1

3.6

4.1

4.6

5.1

5.6

VIN (V)

VOUT = 3.3V

Figure 89. LDO1, LDO2 Output Current Capability vs. Input Voltage

LOAD (mA)

100

0.0001

0.001

0.01

0.1

100

CH2; VOUT = 3.3V; VIN = 5V

CH2; VOUT = 3.3V; VIN = 3.6V

CH2; VOUT = 2.8V; VIN = 3.1V

CH2; VOUT = 1.5V; VIN = 5V

CH2; VOUT = 1.5V; VIN = 1.8V

Figure 90. LDO1 Output Noise vs. Load Current, Across Input and

Output Voltage

LOAD (mA)

100

CH3; VOUT = 3.3V; VIN = 5V

CH3; VOUT = 3.3V; VIN = 3.6V

CH3; VOUT = 2.8V; VIN = 3.1V

CH3; VOUT = 1.5V; VIN = 5V

CH3; VOUT = 1.5V; VIN = 1.8V

0.0001

0.001

0.01

0.1

100

Figure 91. LDO2 Output Noise vs. Load Current, Across Input and Output

Voltage

100

10k

100k

10M

FREQUENCY (Hz)

100

1.0

0.1

0.01

VOUT2 = 3.3V, VIN2 = 3.6V, ILOAD = 300mA

VOUT2 = 1.5V, VIN2 = 1.8V, ILOAD = 300mA

VOUT2 = 2.8V, VIN2 = 3.1V, ILOAD = 300mA

Figure 92. LDO1 Noise Spectrum Across Output Voltage,

VIN = VOUT + 0.3 V

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