MIC29201 Просмотр технического описания (PDF) - Micrel

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производитель

MIC29201

400mA Low-Dropout Voltage Regulator

Micrel 

MIC2920A/29201/29202/29204

Typical Characteristics

Dropout V oltage

vs . Output C urrent

500

400

300

200

100

0

0

100 200 300 400

OUTPUT CURRENT (mA)

Ground Current

vs . Output C urrent

20

10

1

0.1

1

10

100 400

OUTPUT CURRENT (mA)

Ground Current

vs . T emperature

0.20

0.15

0.10

0.05

IOUT = 1mA

0.00

-60 -30 0 30 60 90 120 150

TEMPERATURE (°C)

F ixed 3.3V Output V oltage

vs . T emperature

3.40

3.38

3.36

3.34

3.32

3.30

3.28

3.26

3.24

3.22

3.20

-60 -30 0 30 60 90 120 150

TEMPERATURE (°C)

M9999-021505

Dropout V oltage

vs . T emperature

700

600

500

400

300

ILOAD = 400mA

200

100

0

-60 -30 0 30 60 90 120 150

TEMPERATURE (°C)

Ground Current

vs . S upply V oltage

200

150

100

VOUT = 5V

IOUT = 1mA

50

0

012345678

SUPPLY VOLTAGE (V)

Ground Current

vs . T emperature

3

2

ILOAD = 100mA

1

0

-60 -30 0 30 60 90 120 150

TEMPERATURE (°C)

S hort C ircuit and Maximum

C urrent vs . T emperature

700

650

V OUT = V NOMINAL – 0.5V

600

VOUT = 3.3V

550

500

3 S AMP LE S

(HI/AV G /LO)

450

400

350

VOUT = 0V

300

-60 -30 0 30 60 90 120 150

TEMPERATURE (°C)

6

Micrel, Inc.

Dropout

C harac teris tic s

6

5

4

ILOAD = 1mA

3

2

ILOAD = 400mA

1

0

0123456

INPUT VOLTAGE (V)

Ground Current

vs . S upply V oltage

30

25

20

15

10

VOUT = 5V

5

IOUT = 400mA

0

0 2 4 6 8 10

INPUT VOLTAGE (V)

Ground Current

vs . T emperature

25

20

ILOAD = 400mA

15

10

5

0

-60 -30 0 30 60 90 120 150

TEMPERATURE (°C)

Ground Current

vs . S upply V oltage

1000

900 R LOAD = 100Ω

800

700

600

500

400

300

200

100

0

-100

-30 -20 -10 0 10 20 30

INPUT VOLTAGE (V)

February 2005

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