ADP5043ACPZ-1-R7 datasheet(13/30 Pages) AD

13 / 30 page

Data Sheet

ADP5043

Rev. C | Page 13 of 30

A CH3

86mA

VOUTx

LOAD

CH1 4V/DIV

W 20.0M

CH2 50mV/DIV

W 20.0M

CH3 50mA/DIV 1MΩ BW 20.0M

200µs/DIV

10MS/s

100ns/pt

Figure 27. Buck Response to Load Transient, IOUT1 from 20 mA to 140 mA,

VOUT1 = 3.3 V, Auto Mode

VOUT1

LOAD

CH2 4V/DIV

1MΩ BW 20.0M

CH3 50mV/DIV 1MΩ BW 20.0M

CH4 50mA/DIV 1MΩ BW 20.0M

200µs/DIV

50MS/s

20ns/pt

A CH3

145mA

Figure 28. Buck Response to Load Transient, IOUT1 = 20 mA to 180 mA,

VOUT1 = 1.8 V, PWM Mode

VOUTx

IIN

A CH2

1.14V

CH1 1V/DIV

1MΩ BW 500M

CH2 3V/DIV

1MΩ BW 500M

CH3 50mA/DIV 1MΩ BW 20.0M

100µs/DIV

1MS/s

1.0µs/pt

Figure 29. LDO Startup, VOUT2 = 3.3 V, IOUT2 = 5 mA

3.25

3.26

3.27

3.28

3.29

3.30

3.31

3.32

3.33

3.34

3.35

0.0001

0.001

0.01

0.1

OUTPUT CURRENT (A)

3.6V

4.5V

5.0V

5.5V

Figure 30. LDO Load Regulation Across Input Voltage, VOUT2 = 3.3 V

3.25

3.26

3.27

3.28

3.29

3.30

3.31

3.32

3.33

3.34

3.35

0.0001

0.001

0.01

0.1

OUTPUT CURRENT (A)

+85°C

+25°C

–40°C

Figure 31. LDO Load Regulation Across Temperature, VIN2 = 3.6 V,

VOUT2 = 3.3 V

3.280

3.285

3.290

3.295

3.300

3.305

3.310

3.315

3.320

3.325

3.5

4.5

5.0

5.5

INPUT VOLTAGE (V)

100µA

1mA

10mA

100mA

150mA

Figure 32. LDO Line Regulation Across Output Load, VOUT2 = 3.3 V

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