ADP3309ART-2.7-REEL7(2004) 查看數據表（PDF） - Analog Devices

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ADP3309ART-2.7-REEL7
(Rev.:2004)

anyCAP® 100 mA Low Dropout Linear Regulator

Analog Devices 

3.320

3.310

3.300

3.290

3.280

VOUT = 3.3V

RL = 33⍀

CL = 0.47␮F

VIN

7.5

7.0

0 40 80 120 160 200 240 280 320 360 400

TIME (␮s)

TPC 10. Line Transient Response

3.320

3.310

3.300

3.290

3.280

VOUT = 3.3V

RL = 3.3k⍀

CL = 0.47␮F

VIN

7.5

7.0

0 20 40 60 80 100 120 140 160 180 200

TIME (␮s)

TPC 11. Line Transient Response

ADP3309

3.320

3.310

VOUT = 3.3V

CL = 0.47␮F

3.300

3.290

3.280

100

10

IOUT

0

100

200 300

400

500

TIME (␮s)

TPC 12. Load Transient

3.320

3.310

VOUT = 3.3V

CL = 4.7␮F

3.300

3.290

3.280

100

10

IOUT

0

100

200 300

400 500

TIME (␮s)

TPC 13. Load Transient

300

200

IOUT

100

0

4

VOUT = 3.3V

2

VOUT

0

0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5

TIME (sec)

TPC 14. Short Circuit Current

4

3.3V

3

2

1

0

3

0

VOUT = 3.3V

RL = 33⍀

CL = 0.47␮F

VSD

0

10

20

30

40

50

TIME (␮s)

TPC 16. Turn Off

0

a. 0.47␮F, RL = 33k⍀

–10 b. 0.47␮F, RL = 33⍀

–20 c. 10␮F, RL = 33k⍀

d. 10␮F, RL = 33⍀

–30

VOUT = 3.3V

b

–40

–50

–60

–70 b d

–80

a

d

c

–90

ac

–100

10 100

1k 10k 100k

FREQUENCY (Hz)

1M 10M

TPC 17. Power Supply Ripple

Rejection

4

CL = 0.47␮F

3

2

1

0

3

0

VOUT

3.3V

CL = 4.7␮F

VOUT = 3.3V

RL = 33⍀

VSD

3V

0

20

40

60

80 100

TIME (␮s)

TPC 15. Turn On

10

1

VOUT = 3.3V, CL = 0.47␮F

IL = 1mA

0.1

0.01

100

1k

10k

FREQUENCY (Hz)

100k

TPC 18. Output Noise Density

REV. B

–5–

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