MP20045 – LOWER NOISE, 1A LINEAR REGULATOR

MP20045 Rev. 1.0

www.MonolithicPower.com

6

10/13/2010

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2010 MPS. All Rights Reserved.

TYPICAL PERFORMANCE CHARACTERISTICS

Quiescent Current

vs. Temperature

0

20

40

60

80

100

120

-40 -20

0

20

40

60

80 100

Quiescent Current

vs. Input Voltage

0

20

40

60

80

100

120

3

3.5

4

4.5

5

5.5

Dropout Voltage

vs. Temperature

0

20

40

60

80

100

120

140

160

180

-40 -20

0

20

406080 100

Dropout Voltage

vs. Output Current

0

20

40

60

80

100

120

140

160

0

200

400

600

800 1000

EN threshold

vs. Input Voltage

0.4

0.5

0.6

0.7

0.8

0.9

1

1.1

3

3.5

4

4.5

5

5.5

I NPUT VOL T AG E (V)

I NPUT VOL T AG E (V)

EN high threshold

EN low threshold

EN threshold

vs. Temperature

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

-40 -20

0

20

40

60

80 100

EN high threshold

EN low threshold

Current Limit

vs. Temperature

0

0.5

1

1.5

2

2.5

-40 -20

0

20

40

60

80 100

INPUT VOLTAGE (V)

Current Limit

vs. Input Voltage

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

INPUT VOLTAGE (V)

Line Regulation

-0.3

-0.2

-0.1

0.0

0.1

0.2

0.3

3.0

3.5

4.0

4.5

5.0

5.5