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

MP8020 Rev. 1.0

MonolithicPower.com

13

2/17/2022

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TYPICAL PERFORMANCE CHARACTERISTICS (continued)

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

Load Transient

IOUT = 0A to 0.675A, IRAMP = 50mA/µs

Load Transient

IOUT = 0.675A to 1.35A, IRAMP = 50mA/µs

CH1: VOUT

20V/div.

CH4: IOUT

1A/div.

CH1: VOUT

20V/div.

CH4: IOUT

1A/div.

4ms/div.

4ms/div.

PSE Start-Up

Class 1

PSE Start-Up

Class 4

CH1: VDD

20V/div.

CH2: BT

20V/div.

CH3: TYP1

20V/div.

CH4: TYP2

20V/div.

CH1: VDD

20V/div.

CH2: BT

20V/div.

CH3: TYP1

20V/div.

CH4: TYP2

20V/div.

200ms/div.

200ms/div.

PSE Start-Up

Class 6

PSE Start-Up

Class 8

CH1: VDD

20V/div.

CH2: BT

20V/div.

CH3: TYP1

20V/div.

CH4: TYP2

20V/div.

CH1: VDD

20V/div.

CH2: BT

20V/div.

CH3: TYP1

20V/div.

CH4: TYP2

20V/div.

200ms/div.

200ms/div.