MIC39150 datasheet(6/14 Pages) MICREL

Part #	MIC39150

Description	1.5A, Low-Voltage Low-Dropout Regulator

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Manufacturer	MICREL [Micrel Semiconductor]

Direct Link	http://www.micrel.com

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6 / 14 page

Micrel, Inc.

MIC39150/39151/39152

October 2009

6

M9999-102309-A

Typical Characteristics

0

10

20

30

40

50

60

1E+1 1E+2 1E+3 1E+4 1E+5 1E+6

FREQUENCY (Hz)

Power Supply

Rejection Ratio

I

LOAD = 1.5A

C

OUT = 10µF

C

IN = 0

V

IN = 3.3V

V

OUT = 2.5V

10

100

1k

10k 100k 1M

0

100

200

300

400

500

600

-40 -20 0 20 40 60 80 100 120

TEMPERATURE (°C)

Dropout Voltage

vs. Temperature

I

LOAD = 1.5A

V

OUT = 2.5V

V

OUT = 1.8V

1.2

1.4

1.6

1.8

2.0

2.2

2.4

2.6

2.8

INPUT VOLTAGE (V)

Dropout Characteristics

I

LOAD = 100mA

I

LOAD = 750mA

I

LOAD = 1.5A

0

5

10

15

20

25

0 250 500 750 100012501500

OUTPUT CURRENT (mA)

Ground Current

vs. Output Current

V

OUT = 2.5V

V

OUT = 1.8V

0

5

10

15

20

25

30

35

40

45

50

55

60

65

02

46

8

10

12

SUPPLY VOLTAGE (V)

Ground Current

vs. Supply Voltage

I

LOAD = 750mA

I

LOAD = 1500mA

I

LOAD = 1000mA

0.30

0.31

0.32

0.33

0.34

0.35

0.36

-40 -20 0 20 40 60 80 100 120

TEMPERATURE (°C)

Ground Current

vs. Temperature

I

LOAD = 10mA

V

OUT = 2.5V

V

OUT = 1.8V

0

5

10

15

20

25

-40 -20 0 20406080 100 120

TEMPERATURE (°C)

Ground Current

vs. Temperature

I

LOAD = 1.5A

V

OUT = 1.8V

V

OUT = 2.5V

0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

-40 -20 0 20 40 60 80 100 120

TEMPERATURE (°C)

Short Circuit vs.

Temperature

typical 1.8V device

typical 2.5V device

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