ADP7105ARDZ-5.0(Rev0) View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

ADP7105ARDZ-5.0
(Rev.:Rev0)

20 V, 500 mA, Low Noise LDO Regulator with Soft Start

Analog Devices 

Data Sheet

0

LOAD = 500mA

LOAD = 300mA

–10 LOAD = 100mA

LOAD = 10mA

–20 LOAD = 1mA

–30

–40

–50

–60

–70

–80

–90

–100

10

100

1k

10k

100k

1M

10M

FREQUENCY (Hz)

Figure 41. Power Supply Rejection Ratio vs. Frequency, VOUT = 5 V, VIN = 5.3 V

0

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

10

LOAD = 500mA

LOAD = 300mA

LOAD = 100mA

LOAD = 10mA

LOAD = 1mA

100

1k

10k

100k

1M

10M

FREQUENCY (Hz)

Figure 42. Power Supply Rejection Ratio vs. Frequency, VOUT = 5 V, VIN = 5.2 V

0

LOAD = 500mA

LOAD = 300mA

–10 LOAD = 100mA

LOAD = 10mA

–20 LOAD = 1mA

–30

–40

–50

–60

–70

–80

–90

–100

10

100

1k

10k

100k

1M

10M

FREQUENCY (Hz)

Figure 43. Power Supply Rejection Ratio vs. Frequency, VOUT = 5 V, VIN = 6 V,

Adjustable

ADP7105

0

LOAD = 500mA

LOAD = 300mA

–10 LOAD = 100mA

LOAD = 10mA

–20 LOAD = 1mA

–30

–40

–50

–60

–70

–80

–90

–100

10

100

1k

10k

100k

1M

10M

FREQUENCY (Hz)

Figure 44. Power Supply Rejection Ratio vs. Frequency, VOUT = 5 V, VIN = 6 V,

Adjustable with Noise Reduction Circuit

0

LOAD = 500mA

LOAD = 300mA

–10

LOAD = 100mA

LOAD = 10mA

–20

LOAD = 1mA

–30

–40

–50

–60

–70

–80

–90

–100

0

0.25

0.50

0.75

1.00

1.25

1.50

HEADROOM VOLTAGE (V)

Figure 45. Power Supply Rejection Ratio vs. Headroom Voltage, 100 Hz,

VOUT = 5 V

0

LOAD = 500mA

LOAD = 300mA

–10

LOAD = 100mA

LOAD = 10mA

–20

LOAD = 1mA

–30

–40

–50

–60

–70

–80

–90

–100

0

0.25

0.50

0.75

1.00

1.25

1.50

HEADROOM VOLTAGE (V)

Figure 46. Power Supply Rejection Ratio vs. Headroom Voltage, 1 kHz,

VOUT = 5 V

Rev. 0 | Page 13 of 28

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