ADP5043ACPZ-1-R7 datasheet(11/30 Pages) AD

11 / 30 page

Data Sheet

ADP5043

Rev. C | Page 11 of 30

100

0.0001

0.001

0.01

0.1

OUTPUT CURRENT (A)

+25°C

–40°C

+85°C

Figure 15. Buck Efficiency vs. Load Current, Across Temperature, VOUT1 = 3.3 V,

Auto Mode

100

0.0001

0.001

0.01

0.1

OUTPUT CURRENT (A)

+25°C

–40°C

+85°C

Figure 16. Buck Efficiency vs. Load Current, Across Temperature,

VOUT1 = 1.8 V, Auto Mode

1.7

1.6

1.5

1.4

1.3

1.2

1.1

1.0

2.6

3.6

4.6

5.6

INPUT VOLTAGE (V)

Figure 17. Buck DC Current Capability vs. Input Voltage, VOUT1 = 1.8 V

2.85

2.90

2.95

3.00

3.05

3.10

0.10.20.30.40.50.60.70.8

+25°C

–40°C

+85°C

OUTPUT CURRENT (A)

Figure 18. Buck Switching Frequency vs. Output Current, Across

Temperature, VOUT1 = 1.8 V, PWM Mode

CH1 20.0mV/DIV

W 20.0M

CH2 200mA/DIV 1MΩ BW 20.0M

CH3 2.0V/DIV

1MΩ BW 20.0M

A CH1

2.4mV

5.0µs/DIV

20.0MS/s

50.0ns/pt

VOUT

ISW

Figure 19. Typical Waveforms, VOUT1 = 3.3 V, IOUT1 = 30 mA, Auto Mode

CH1 2.0V/DIV 1MΩ BW 20.0M

CH2 50.0mV/DIV

W 20.0M

CH3 500mA/DIV

W 20.0M

A CH1

1.56mV

5.0µs/DIV

200MS/s

5.0ns/pt

VOUTx

ISW

Figure 20. Typical Waveforms, VOUT1 = 1.8 V, IOUT1= 30 mA, Auto Mode

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