ADP3334 데이터 시트보기 (PDF) - Analog Devices

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ADP3334

High Accuracy, Low IQ, anyCAP® Adjustable Low Dropout Regulator

Analog Devices 

ADP3334–Typical Performance Characteristics

2.202

2.201 IL = 0

VOUT = 2.2V

2.200

2.199

150mA

2.198

2.197

2.196

300mA

2.195

2.194

2

500mA

4

6

8

10

12

INPUT VOLTAGE – V

TPC 1. Line Regulation Output

Voltage vs. Supply Voltage

2.201

2.200

VOUT = 2.2V

VIN = 6V

2.199

2.198

2.197

2.196

2.195

2.194

2.193

0

100

200 300

400 500

OUTPUT LOAD – mA

TPC 2. Output Voltage vs.

Load Current

5.0

VIN = 6V

VOUT = 2.2V

4.0

3.0

2.0

1.0

0

0

100 200

300 400 500

OUTPUT LOAD – mA

TPC 4. Ground Current vs.

Load Current

0.5

0mA

0.4

300mA

0.3

0.2

0.1

500mA

0

–0.1 500mA

0

–0.2

–50 –25 0

25 50 75 100 125 150

JUNCTION TEMPERATURE – ؇C

TPC 5. Output Voltage Variation %

vs. Junction Temperature

250

VOUT = 2.2V

200

150

100

50

0

0

100

200 300

400

500

OUTPUT LOAD – mA

TPC 7. Dropout Voltage vs.

Output Current

VOUT = 2.2V

3.0

SD = GND

2.5

RL = 4.4⍀

2.0

1.5

1.0

0.5

0

1

2

3

4

TIME – s

TPC 8. Power-Up/Power-Down

140

IL = 100␮A

120

VOUT = 2.2V

100

80

60

IL = 0

40

20

0

0

2

4

6

8

10 12

INPUT VOLTAGE – V

TPC 3. Ground Current vs.

Supply Voltage

8

IL = 500mA

7

6

VIN = 6V

VOUT = 2.2V

5

300mA

4

3

2 100mA

1 50mA

0

0

–50 –25 0 25 50 75 100 125 150

JUNCTION TEMPERATURE – ؇C

TPC 6. Ground Current vs.

Junction Temperature

3

2 COUT = 1␮F

1

COUT = 10␮F

0

4

2

0

VOUT = 2.2V

SD = GND

RL = 4.4⍀

200

400

600

800

TIME – ␮s

TPC 9. Power-Up Response

–4–

REV. C

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