ADP7183ACPZN1.8-R7 datasheet(12/19 Pages) AD

12 / 19 page

ADP7183

Data Sheet

Rev. 0 | Page 12 of 19

LOAD CURRENT (mA)

–1000

–100

–10

3.80

3.85

3.90

3.95

4.00

4.05

4.10

4.15

4.20

4.25

4.30

4.35

4.40

10Hz TO 100kHz

100Hz TO 100kHz

Figure 34. RMS Noise vs. Load Current (ILOAD) at Various Frequencies

0.1

100

10k

FREQUENCY (Hz)

100

10k

100k

10M

–1.2V

–2.5V

–3.3V

–4.5V

–4.5V ADJ

Figure 35. Noise Spectral Density (NSD) vs. Frequency at Various Output Voltages

CH1 500mV

CH2 2.0mV

5.0µs/DIV

1MS 20GSPS

A CH2

40mV

VIN

VOUT

Figure 36. Line Transient Response, 500 mV Step, VOUT = −1.2 V, ILOAD = −300 mA

CH1 500mV

CH2 2.0mV

5.0µs/DIV

1MS 20GSPS

A CH2

40mV

VIN

VOUT

Figure 37. Line Transient Response, 500 mV Step, VOUT = −3.3 V, ILOAD = −300 mA

CH1 200mA CH2 2.00mV

M10.00µs

A CH1

–222mA

21.4µs

ILOAD

VOUT

Figure 38. Load Transient Response, VOUT = −1.2 V, ILOAD = −10 mA to −300 mA

CH1 200mA CH2 2.00mV

M10.00µs

A CH1

–200mA

21.2µs

ILOAD

VOUT

Figure 39. Load Transient Response, VOUT = −2.5 V, ILOAD = −10 mA to −300 mA

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