MP2420―75V, 0.3A, SYNCHRONOUS STEP-DOWN CONVERTER WITH WATCHDOG

MP2420 Rev. 1.0

www.MonolithicPower.com

6

9/6/2015

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© 2015 MPS. All Rights Reserved.

TYPICAL CHARACTERISTICS

DC/DC CONVERTER

0.97

0.98

0.99

1.00

1.01

1.02

4.5

4.6

4.7

4.8

4.9

5.0

5.1

5.2

5.3

5.4

5.5

3.5

3.6

3.7

3.8

3.9

4.0

4.1

4.2

4.3

4.4

4.5

1.0

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

650

660

670

680

690

700

710

720

730

740

750

1.0

1.5

2.0

2.5

3.0

3.5

4.0

15

18

21

24

27

30

JUNCTION TEMPERATURE (°C)

JUNCTION TEMPERATURE (°C)

JUNCTION TEMPERATURE (°C)

Quiescent Current vs.

Junction Temperature

Shutdown Current vs.

Junction Temperature

Switch On Resistance vs.

Junction Temperature

EN Threshold vs.

Junction Temperature

Current Limit vs.

Junction Temperature

Junction Temperature

Junction Temperature

Junction Temperature

JUNCTION TEMPERATURE (°C)

JUNCTION TEMPERATURE (°C)

JUNCTION TEMPERATURE (°C)

JUNCTION TEMPERATURE (°C)

JUNCTION TEMPERATURE (°C)

JUNCTION TEMPERATURE (°C)

Feedback Voltage vs.

Junction Temperature

0.990

0.992

0.994

0.996

0.998

1.000

1.002

1.004

1.006

1.008

1.010

-50 -25

0

25 50 75 100 125

-50 -25

0

25 50 75 100 125

-50 -25

0

25 50 75 100 125

-50 -25

0

25 50 75 100 125

-50 -25

0

25 50 75 100 125

-50 -25

0

25 50 75 100 125

-50 -25

0

25 50 75 100 125

-50 -25

0

25 50 75 100 125

-50 -25

0

25 50 75 100 125

Rising

Falling

Rising

Upper

Lower

Falling