ADP3342 Просмотр технического описания (PDF) - Analog Devices

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производитель

ADP3342

Ultralow, IQ, anyCAP® Low Dropout Regulator

Analog Devices 

ADP3342

1.2

VIN = 1.8V

0

SD = 3.0V

RL = 4⍀

3.0

0

1.8

0

0

200

400

600

800 1000

TIME – ␮s

TPC 19. Power On/Power Off

Response from VIN

–20

VOUT = 1.2V

CL = 10␮F

–30

IL = 300mA

CL = 1␮F

–40

IL = 300mA

CL = 1␮F

–50 IL = 50␮A

–60

–70

CL = 10␮F

–80

IL = 50␮A

–90

10 100 1k 10k 100k 1M 10M

FREQUENCY – Hz

TPC 20. Power Supply Ripple

Rejection

70

60

50

40

300mA

30

0mA

20

10

0

0

10

20

30

40

50

CL – ␮F

TPC 21. RMS Noise vs. CL

(10 Hz–100 Hz)

100

VOUT = 1.2V

IL = 1mA

10

CL = 10␮F

1

CL = 1␮F

0.1

0.01

0.001

10

100

1k

10k 100k

1M

FREQUENCY – Hz

TPC 22. Output Noise Density

1.25

1.23

0mA

50mA

1.21

100mA

1.19

200mA

300mA

1.17

1.15

35 55 75 95 115 135 155 175

AMBIENT TEMPERATURE – ؇C

TPC 23. Thermal Protection

650

600

550

500

1.5

1.6

1.7

1.8

1.9

2.0

VIN – V

TPC 24. Current Limit vs. VIN

3.6

3.0

VIN = 1.8V

SD = 3V

400

200

0

5

15

25

35

45

TIME – ms

TPC 25. Current Limiting from VCC

–6–

REV. 0

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