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

MP8020 Rev. 1.0

MonolithicPower.com

14

2/17/2022

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TYPICAL PERFORMANCE CHARACTERISTICS (continued)

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

Adapter Start-Up

IOUT = 0A

Adapter Start-Up

IOUT = 3A

CH2: VADP

10V/div.

CH1: VOUT

10V/div.

CH3: PG

10V/div.

CH4: IVADP

200mA/div.

CH2: VADP

10V/div.

CH1: VOUT

10V/div.

CH3: PG

10V/div.

CH4: IVADP

2A/div.

100ms/div.

100ms/div.

Adapter Shutdown

IOUT = 0A

Adapter Shutdown

IOUT = 3A

CH2: VADP

10V/div.

CH1: VOUT

10V/div.

CH3: PG

10V/div.

CH4: IVADP

200mA/div.

CH2: VADP

10V/div.

CH1: VOUT

10V/div.

CH3: PG

10V/div.

CH4: IVADP

2A/div.

100ms/div.

100ms/div.

SCP Entry

IOUT = 1.35A to short

SCP Recovery

IOUT = short to 0A

CH2: VDD

20V/div.

CH1: VOUT

20V/div.

CH3: PG

20V/div.

CH4: IVDD

2A/div.

CH2: VDD

20V/div.

CH1: VOUT

20V/div.

CH3: PG

20V/div.

CH4: IVDD

200mA/div.

4ms/div.

40ms/div.