ADP320 datasheet(11/20 Pages) AD

номер детали	ADP320

подробное описание детали	Triple, 200 mA, Low Noise, High PSRR Voltage Regulator

PDF	20 Pages

Scroll/Zoom	100%

производитель	AD [Analog Devices]

домашняя страница	http://www.analog.com

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11 / 20 page

ADP320

Rev. 0 | Page 11 of 20

LOAD = 1mA

LOAD = 5mA

LOAD = 10mA

LOAD = 50mA

LOAD = 100mA

LOAD = 200mA

100

120

140

160

1.70

1.80

1.90

2.00

2.10

VIN (V)

Figure 27. Ground Current vs. Input Voltage in Dropout), VOUT2 = 1.8 V

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

200mA

100mA

10mA

1mA

VRIPPLE = 50mV

VIN = 2.8V

VOUT = 1.8V

COUT = 1µF

FREQUENCY (Hz)

100

10k

100k

10M

Figure 28. Power Supply Rejection Ratio vs. Frequency, 1.8 V

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

FREQUENCY (Hz)

100

10k

100k

10M

200mA

100mA

10mA

1mA

VRIPPLE = 50mV

VIN = 4.3V

VOUT = 3.3V

COUT = 1µF

Figure 29. Power Supply Rejection Ratio vs. Frequency, 3.3 V

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

FREQUENCY (Hz)

100

10k

100k

10M

200mA

100mA

10mA

1mA

VRIPPLE = 50mV

VIN = 2.5V

VOUT = 1.5V

COUT = 1µF

Figure 30. Power Supply Rejection Ratio vs. Frequency, 1.5 V

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

FREQUENCY (Hz)

1.8V/200mA

1.8V/100mA

1.8V/10mA

1.2V/200mA

1.2V/100mA

1.2V/10mA

VRIPPLE = 50mV

1V HEADROOM

1.8V PSRR

1.2 XTALK

100

10k

100k

10M

Figure 31. Power Supply Rejection Ratio vs. Frequency,

Channel to Channel Crosstalk

0.01

0.1

100

10k

100k

3.3V

1.8V

1.5V

FREQUENCY (Hz)

Figure 32. Output Noise Spectral Density, VIN = 5 V, ILOAD = 10 mA

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