ADP3300ART-2.7-RL 查看數據表（PDF） - Analog Devices

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ADP3300ART-2.7-RL

High Accuracy anyCAP® 50 mA Low Dropout Linear Regulator

Analog Devices 

3.220

3.210

VOUT = 3.2V

3.200

3.190

3.180

RL = 3.2k⍀

CL = 0.47␮F

7.5

VIN

7.0

0 20 40 60 80 100 120 140 160 180 200

TIME – ␮s

TPC 10. Line Transient Response

3.220

3.210

3.200

3.190

3.180

VOUT = 3.2V

RL = 64⍀

CL = 0.47␮F

7.5

7.0

0 20 40 60 80 100 120 140 160 180 200

TIME – ␮s

TPC 11. Line Transient Response

3.220

3.205

VOUT = 3.2V

CL = 4.7␮F

3.200

3.195

3.190

IOUT = 50mA

50

1mA

1

0

200 400 600 800 1000

TIME – ␮s

TPC 13. Load Transient

3.0

VOUT = 3.0V

0

VOUT

200

150

100

IOUT

50

VIN = 7V

0

0

1

2

3

4

5

TIME – sec

TPC 14. Short Circuit Current

4

3.2V

3

2

1

0

VOUT = 3.2V

RL = 64⍀

CL = 0.47␮F

3

VSD

0

0

20

40

60

80 100

TIME – ␮s

TPC 16. Turn Off

0

–10 a. 0.47␮F, RL = 33k⍀

–20

b. 0.47␮F, RL = 64⍀

c. 4.7␮F, RL = 33k⍀

–30 d. 4.7␮F, RL = 64⍀

–40

–50

a

–60

–70 b d

VOUT = 3.3V

b

d

c

–80

–90

ac

–100

10 100

1k 10k 100k 1M 10M

FREQUENCY – Hz

TPC 17. Power Supply Ripple

Rejection

ADP3300

3.220

3.205

3.200

VOUT = 3.2V

CL = 0.47␮F

3.195

3.190

50

IOUT = 50mA

1mA

1

0

200 400 600 800 1000

TIME – ␮s

TPC 12. Load Transient

4

CL = 0.47␮F

3

2

1

0

+3

0

VOUT

3.2V

CL = 4.7␮F

VOUT = 3.2V

RL = 64⍀

VSD

3V

0

20

40

60

80 100

TIME – ␮s

TPC 15. Turn On

10 VOUT = 5V, CL = 0.47␮F, 0.47␮F BYPASS

IL = 1mA, CNR = 0

PIN 5 TO PIN 1

VOUT = 3.3V, CL = 0.47␮F,

IL = 1mA, CNR = 0

1

0.1

VOUT = 2.7-5.0V, CL = 0.47␮F,

IL = 1mA, CNR = 10nF

VOUT = 2.7-5.0V, CL = 0.47␮F,

IL = 1mA, CNR = 10nF

0.01

100

1k

10k

100k

FREQUENCY – Hz

TPC 18. Output Noise Density

REV. C

–5–

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