MP8020 – IEEE 802.3af/at/bt, PoE, POWERED DEVICE INTERFACE

MP8020 Rev. 1.0

MonolithicPower.com

10

2/17/2022

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TYPICAL CHARACTERISTICS (continued)

VDD = 54V, VADP = 24V, TA = 25°C, unless otherwise noted.

20

22

24

26

28

30

-50

0

50

100

150

TJ (°C)

Detection Resistance vs.

Junction Temperature

0

0.2

0.4

0.6

0.8

1

-50

0

50

100

150

TJ (°C)

Internal MOSFET On Resistance

vs. Junction Temperature

1.08

1.12

1.16

1.2

1.24

-50

0

50

100

150

TJ (°C)

Class Voltage vs. Junction

Temperature

20

20.5

21

21.5

22

22.5

-50

0

50

100

150

TJ (°C)

Class Upper Threshold vs.

Junction Temperature

Upper_OFF

Upper_ON

9

9.5

10

10.5

11

11.5

12

12.5

13

-50

0

50

100

150

TJ (°C)

Class Lower Threshold vs.

Junction Temperature

Lower_ON

Lower_OFF

4.6

4.8

5

5.2

5.4

-50

0

50

100

150

TJ (°C)

Mark Event Reset Threshold vs.

Junction Temperature