MP2172 – 5.5V, 2A, 2.6MHz, SYNCHRONOUS STEP-DOWN SWITCHER

MP2172 Rev. 1.0

www.MonolithicPower.com

5

4/24/2019

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TYPICAL PERFORMANCE CHARACTERISTICS

VIN = 3.3V, VOUT = 1.2V, L = 1μH, COUT = 22μF, TA = +25°C, unless otherwise noted.

Efficiency

VIN = 3.3V

Efficiency

VIN = 5V

0

10

20

30

40

50

60

70

80

90

100

0.01

0.1

1

10

OUTPUT CURRENT (A)

Vo=1.2V

Vo=1.8V

0

10

20

30

40

50

60

70

80

90

100

0.01

0.1

1

10

OUTPUT CURRENT (A)

Vo=1.2V

Vo=1.8V

Load Regulation

Line Regulation

-0.4

-0.3

-0.2

-0.1

0

0.1

0.2

0.3

0.4

00.511.5

2

OUTPUT CURRENT (A)

Vo=1.2V

Vo=1.8V

-0.4

-0.3

-0.2

-0.1

0

0.1

0.2

0.3

0.4

2

3456

INPUT VOLTAGE (V)

Io=2A

Io=1A

Io=0A

Case Temperature Rise

VIN = 3.3V

Shutdown Current vs. Input Voltage

VIN = 5V

0

2

4

6

8

10

12

14

16

00.511.5

2

OUTPUT CURRENT (A)

Vo=1.2V

Vo=1.8V

0

0.1

0.2

0.3

0.4

0.5

22.5

33.544.555.5

6

INPUT VOLTAGE (V)