MP8007 ― IEEE 802.3AF PD WITH 13W FLYBACK / BUCK CONVERTER

MP8007 Rev.1.0

www.MonolithicPower.com

4

6/27/2016

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

© 2016 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS

VDD, CLASS, DET, T2P and RTN voltages are referred to VSS, and all other pin voltages are

referred to GND, GND and RTN are shorted together. VDD – VSS = 48V, VSS = 0V; RDET = 24.9kΩ,

RCLASS =41.2Ω. TJ = -40°C to +125°C, typical values are tested at TJ = 25C, unless otherwise

noted.

PD Interface Section

Parameter

Symbol Condition

Min

Typ

Max

Units

Detection

Detection on

VDET-ON VDD Rising

1.9

V

Detection off

VDET-OFF VDD Rising

11

V

DET Leakage Current

VDET-LK

VDET=VDD=57V, Measure IDET

0.1

5

μA

Bias Current

VDD=10.1V, float DET pin, not in

Mark event, Measure ISUPPLY

12

μA

VDD=2.5V, Measure ISUPPLY

96

99

102

μA

Detection Current

IDET

VDD=10.1V, Measure ISUPPLY

395

410

425

μA

Classification

Classification Stability Time

90

μs

VCLASS Output Voltage

VCLASS

13V<VDD< 21V

1mA<ICLASS< 42mA

1.1

1.16

1.21

V

13≤VVDD≤21V, Guaranteed by VCLASS

RCLASS=578Ω, 13V≤VDD≤21V

1.8

2

2.4

RCLASS=110Ω, 13V≤VDD≤21V

9.9

10.55

11.3

RCLASS=62Ω, 13V≤VDD≤21V

17.7

18.7

19.8

RCLASS=41.2Ω, 13V≤VDD≤21V

26.6

28.15

29.7

Classification Current

ICLASS

RCLASS=28.7Ω, 13V≤VDD≤21V

38.2

40.4

42.6

mA

Classification Lower

Threshold

VCL-ON

Class Regulator Turns on, VDD

Rising

11.8

12.5

13

V

Classification Upper

Threshold

VCL-OFF

Class Regulator Turns off, VDD

Rising

21

22

23

V

Low side Hysteresis

0.8

Classification Hysteresis

VCL-HYS

High side Hysteresis

0.5

V

Mark Event Reset Threshold

VMARK-L

4.5

5

5.5

V

Max Mark Event Voltage

VMARK-H

11

11.5

12

V

Mark Event Current

IMARK

0.5

1.5

2

mA

Mark Event Resistance

RMARK

2-point Measure at 7V and 10V

12

kΩ

IC Supply Current during

Classification

IIN-CLASS VDD = 17.5V, CLASS Floating

220

300

μA

Class Leakage Current

ILEAKAGE VCLASS = 0 V, VDD = 57V

1

μA

PD UVLO

VDD Turn on Threshold

VDD-VSS-R VDD Rising

35

37.5

40

V

VDD Turn off Threshold

VDD-VSS-F VDD Falling

29

31

33

V

VDD UVLO Hysteresis

VDD-VSS-

HYS

4.9

V

IC Supply Current during

Operation

IIN

450

μA