ADP1754ACPZ-2.5-R7 datasheet(9/20 Pages) AD

номер детали	ADP1754ACPZ-2.5-R7

подробное описание детали	1.2 A, Low VIN, Low Dropout Linear Regulator

PDF	20 Pages

Scroll/Zoom	100%

производитель	AD [Analog Devices]

домашняя страница	http://www.analog.com

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9 / 20 page

Data Sheet

ADP1754/ADP1755

Rev. E | Page 9 of 20

CH1 500mV BW CH2 5mV

M10µs

A CH4

800mV

T 9.60%

VIN

3V TO 3.5V INPUT VOLTAGE STEP, 2V/µs

VOUT

5mV/DIV

VOUT = 1.5V

CIN = COUT = 4.7µF

Figure 17. Line Transient Response, Load Current = 1200 mA

0.0001

0.001

0.01

0.1

LOAD CURRENT (A)

0.75V

1.5V

2.5V

Figure 18. Noise vs. Load Current and Output Voltage

0.1

0.01

100

10k

100k

FREQUENCY (Hz)

0.75V

1.5V

2.5V

Figure 19. Noise Spectral Density vs. Output Voltage, ILOAD = 10 mA

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

100

10k

100k

10M

FREQUENCY (Hz)

1.2A

800mA

400mA

100mA

10mA

Figure 20. Power Supply Rejection Ratio vs. Frequency,

VOUT = 0.75 V, VIN = 1.75 V

100

10k

100k

10M

FREQUENCY (Hz)

1.2A

800mA

400mA

100mA

10mA

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

Figure 21. Power Supply Rejection Ratio vs. Frequency,

VOUT = 1.5 V, VIN = 2.5 V

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

100

10k

100k

10M

FREQUENCY (Hz)

1.2A

800mA

400mA

100mA

10mA

Figure 22. Power Supply Rejection Ratio vs. Frequency,

VOUT = 2.5 V, VIN = 3.5 V

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