MP2113 – 1.5A, SYNCHRONOUS STEP-DOWN CONVERTER WITH DYNAMIC VOLTAGE CONTROL

MP2113 Rev. 1.0

www.MonolithicPower.com

4

4/4/2011

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© 2011 MPS. All Rights Reserved.

TYPICAL PERFORMANCE CHARACTERISTICS

Enabled Supply Current vs.

Input Voltage

0

100

200

300

400

500

600

2.5

3 3.5

4 4.5

5 5.5

6

INPUT VOLTAGE(V)

INPUT VOLTAGE(V)

Disabled Supply Current vs.

Input Voltage

Case Temperature Rise vs.

Output Current

0

5

10

15

20

25

30

0.25

0.5

0.75

1

1.25

1.5

OUTPUT CURRENT(A)

0.1

1

10

23

4

5

6

7

INPUT VOLTAGE (V)

Operating Range

Load Regulation

Peak Current vs. Duty

DUTY CYCLE(%)

2

2.5

3

3.5

4

4.5

25

35

45

55

65

75

85

95

Line Regulation

3

3.5

4

4.5

5

5.5

6

INPUT VOLTAGE (V)

-30

0

30

60

90

120

150

180

2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8

-0.50%

-0.40%

-0.30%

-0.20%

-0.10%

0.00%

0.10%

0.20%

0.30%

0

0.4

0.8

1.2

1.6

OUTPUT CURRENT (A)

Vin=3V

Vin=6V

Vin=5V

-0.50%

-0.40%

-0.30%

-0.20%

-0.10%

0.00%

0.10%

0.20%

0.30%

0.40%

Io=1.5A

Io=1A

Io=0A

PWM Mode

ASYN Mode

Efficiency vs. Load Current

60

65

70

75

80

85

90

95

0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5

LOAD CURRENT(A)

Vin=3V

Vin=5V

Vin=6V