ADP170-1.8-EVALZ datasheet(9/20 Pages) AD

部品番号	ADP170-1.8-EVALZ

部品情報	300 mA, Low Quiescent Current, CMOS Linear Regulators

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ADP170/ADP171

Rev. B | Page 9 of 20

10

100

1k

10k

100k

1M

10M

FREQUENCY (Hz)

–30

–40

–50

–60

–70

–80

–90

300mA

200mA

100mA

10mA

1mA

Figure 17. Power Supply Rejection Ratio vs. Frequency, VOUT = 3.0 V

10

100

1k

10k

100k

1M

10M

FREQUENCY (Hz)

–30

–40

–50

–60

–70

–80

–90

3V, 1mA

1.8V, 1mA

0.8V, 1mA

3V, 300mA

1.8V, 300mA

0.8V, 300mA

Figure 18. Power Supply Rejection Ratio vs. Frequency, Various Output

Voltages and Load Currents

0.01

0.1

1

10

100

1k

10k

100k

FREQUENCY (Hz)

0.8V

VIN = 3.6V

ILOAD = 10mA

COUT = 1µF

1.8V

3.0V

Figure 19. Output Noise Spectrum

0

10

20

30

40

50

60

70

0.001

0.01

0.1

1

10

100

1000

LOAD CURRENT (mA)

3V

1.8V

0.8V

Figure 20. RMS Noise vs. Load Current and Output Voltage

CH1 200mA Ω

CH2 50.0mV

B

W M40.00µs A CH1

124mA

1

2

T

160.680µs

ILOAD

VOUT

VIN = 3.6V

VOUT = 1.8V

1mA TO 300mA LOAD STEP,

2.5A/µs

Figure 21. Load Transient Response, CIN and COUT = 1 μF

CH1 200mA Ω

CH2 50.0mV

B

W M40.0µs

A CH1

204mA

1

2

T

159.800µs

ILOAD

VOUT

VIN = 3.6V

VOUT = 1.8V

1mA TO 300mA LOAD STEP,

2.5A/µs

Figure 22. Load Transient Response, CIN and COUT = 4.7 μF

同様の部品番号 - ADP170-1.8-EVALZ

メーカー	部品番号	データシート	部品情報
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