MP3421—5.5A, 600KHZ HIGH EFFICIENCY, SYNCHRONOUS, STEP-UP CONVERTER WITH OUTPUT DISCONNECT IN 2X2MM QFN PACKAGE

MP3421 Rev. 1.0

www.MonolithicPower.com

5

11/13/2014

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TYPICAL CHARACTERISTICS

OUTPUT VOLTAGE(V)

Quiescent Current vs.

Output Voltage

Shutdown Current vs.

Input Voltage

EN=LOW

EN Threshold vs.

Temperature

VOUT Rising Threshold for

switching vs. Temperature

Input UVLO Threshold vs.

Temperature

Frequency vs.

Temperature

Linear-Charging Current

Limit vs. Output Voltage

Feedback Voltage vs.

Temperature

INPUT VOLTAGE(V)

OUTPUT VOLTAGE(V)

INPUT VOLTAGE(V)

Quiescent Current vs.

Input Voltage

10

20

30

40

50

60

1.5 2 2.5 3 3.5 4 4.5 5 5.5

10

20

30

40

50

60

1.5 2 2.5 3 3.5 4 4.5 5 5.5

0

0.4

0.8

1.2

1.6

2

1.5 2 2.5 3 3.5 4 4.5 5 5.5

0

0.4

0.8

1.2

1.6

2

-40 -20 0 20 40 60 80 100120140

Rising Threshold

Falling Threshold

0

0.25

0.5

0.75

1

-40 -20 0 20 40 60 80 100120140

Rising Threshold

Falling Threshold

1

1.25

1.5

1.75

2

2.25

2.5

-40 -20 0 20 40 60 80 100120140

780

785

790

795

800

805

810

815

820

-40 -20 0 20 40 60 80 100120140

500

550

600

650

700

750

-40 -20 0 20 40 60 80 100120140

0

0.25

0.5

0.75

1

0

0.4

0.8

1.2

1.6

2