MIC4950YFM datasheet(6/18 Pages) MICREL

Part #	MIC4950YFM

Description	Hyper Speed Control 5A Buck Regulator

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Manufacturer	MICREL [Micrel Semiconductor]

Direct Link	http://www.micrel.com

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6 / 18 page

Micrel, Inc.

MIC4950

March 20, 2014

6

Revision 1.1

Typical Characteristics (Continued)

0

1

2

3

4

2.5

3.0

3.5

4.0

4.5

5.0

5.5

INPUT VOLTAGE (V)

Quiescent Current

vs. Input Voltage

V

FB > 1.2 x VFB(NOM)

I

OUT = 0A

1.77

1.78

1.79

1.80

1.81

1.82

0

1

2

3

4

5

OUTPUT CURRENT (A)

Output Voltage (V

IN = 3.3V)

vs. Output Current

V

IN = 3.3V

V

OUT = 1.8V

2.46

2.47

2.48

2.49

2.50

2.51

2.52

0

1

2

3

4

5

OUTPUT CURRENT (A)

Output Voltage (V

IN = 5V)

vs. Output Current

V

IN = 5V

V

OUT = 2.5V

0.605

0.610

0.615

0.620

0.625

0.630

0.635

-50

-20

10

40

70

100

130

TEMPERATURE (

°C)

Feedback Voltage

vs. Temperature

V

IN = 3.3V

V

OUT = 1.8V

I

OUT = 0A

2.0

2.2

2.4

2.6

2.8

3.0

-50

-20

10

40

70

100

130

TEMPERATURE (°C)

Switching Frequency

vs. Temperature

V

IN = 3.3V

V

OUT = 1.8V

I

OUT = 0A

1.2

1.6

2.0

2.4

2.8

3.2

0

1

2

3

4

5

OUTPUT CURRENT (A)

Switching Frequency

vs. Output Current

V

IN = 5.0V

V

OUT = 3.3V

1.2

1.6

2.0

2.4

2.8

3.2

3.6

0

1

2

3

4

5

OUTPUT CURRENT (A)

Switching Frequency

vs. Output Current

V

IN = 5.0V

V

OUT = 1.8V

V

IN = 3.3V

V

OUT = 1.8V

1.2

1.6

2.0

2.4

2.8

3.2

3.6

0

1

2

3

4

5

OUTPUT CURRENT (A)

Switching Frequency

vs. Output Current

V

IN = 5.0V

V

OUT = 1.2V

V

IN = 3.3V

V

OUT = 1.2V

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