MP2172C – 2A, SYNCHRONOUS STEP-DOWN SWITCHER

MP2172C Rev.1.0

www.MonolithicPower.com

7

4/22/2019

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TYPICAL CHARACTERISTICS (continued)

VIN = 3.6V, VOUT = 1.2V, L = 1µH, COUT = 22µF, TA = +25°C, unless otherwise noted.

Efficiency vs. Output Current

VIN=3.6V, L=1μH (DCR=27mΩ)

EN Rising and Falling Threshold

vs. Temperature

0

10

20

30

40

50

60

70

80

90

100

00.511.5

2

Output Current (a)

Vin=3.6V,Vo=1.2V

Vin=3.6V,Vo=1.8V

Vin=3.6V,Vo=2.5V

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

-60

-40

-20

0

20

40

60

80

100

Temperature(°C)

Rising

Falling

VIN Rising and Falling Threshold vs.

Temperature

Switching Frequency vs. Temperature

0.0

0.5

1.0

1.5

2.0

2.5

3.0

-60 -40 -20

0

20

40

60

80 100

Temperature (°C)

Rising

Falling

0.00

0.25

0.50

0.75

1.00

1.25

1.50

1.75

2.00

-60

-40

-20

0

20

40

60

80

100

Temperature  (°C)

Reference Voltage vs. Temperature

VOUT OVP Rising and Falling

Threshold vs. Temperature

595

596

597

598

599

600

601

602

603

604

605

-60

-40

-20

0

20

40

60

80

100

Temperature  (°C)

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

-60 -40 -20

0

20

40

60

80 100

Temperature (°C)

Rising

Falling