MP2380 – 5A, 21V, 600KHz STEP-DOWN CONVERTER

MP2380 Rev.1.2

www.MonolithicPower.com

5

5/26/2008

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© 2008 MPS. All Rights Reserved.

Enabled Supply Current

vs. Input Voltage

1100

1050

1000

950

900

0

5

10

15

20

25

INPUT VOLTAGE (V)

Peak Current vs.

Duty Cycle

10

0

2

4

6

8

10

30

50

70

90

DUTY CYCLE (%)

80

70

60

50

40

30

20

10

0

01234

6

5

OUTPUT CURRENT (A)

1.0002

1.0000

0.9998

0.9996

0.9994

0.9992

0.9990

0.9998

0.9986

01234

6

5

OUTPUT CURRENT (A)

1.0025

1.0020

1.0015

1.0010

1.0000

0.9995

0.9990

0.9985

0.9980

0

5

10

15

20

25

INPUT VOLTAGE (V)

Case Temperature vs.

Output Current

Load Regulation

Disabled Supply Current

vs. Input Voltage

0.45

0.40

0.35

0.30

0.25

0.20

0.15

0.10

0.05

0

0

5

10

15

20

25

INPUT VOLTAGE (V)

Internal Regulator Line

4.9

4.7

4.5

4.3

4.1

3.9

3.7

3.5

45

4.5

5.5

6

6.5

7

INPUT VOLTAGE (A)

Line Regulation