PD39208 datasheet(11/34 Pages) MICROCHIP

tên linh kiện	PD39208

Giải thích chi tiết về linh kiện	PoE PSE Manager

PDF	34 Pages

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Symbol

Parameter

Conditions

Min Typ Max Units

VVALID

Detection voltage

VMAIN–VPORT_NEGx, for IEEE 802.3

compliant signature resistance

(RSIG <33 K)

9.3

ISC

Short circuit current

VMAIN–VPORT_NEGx = 0 V

388 408 µA

RSIG_LOW Minimum valid detection resistance

kΩ

RSIG_HIGH Maximum valid detection resistance

26.5

kΩ

2.12

Classification

Table 2-12. Classification

Symbol

Parameter

Conditions

Min Typ Max Units

VCLASS

Class event output voltage

VMAIN–VPORT_NEGx; 0 mA ≤ IPORT ≤ 50 mA

15.5 18

20.5 V

VMARK

Mark event output voltage

VMAIN–VPORT_NEGx; 0.1 mA ≤ IPORT ≤ 5 mA

8.5 10

ICLASS_LIM Class event current limitation

VMAIN–VPORT_NEGx = 0 V

100 mA

IMARK_ LIM Mark event current limitation

VMAIN–VPORT_NEGx = 0 V

100 mA

Classification current thresholds

Class 0

Class 1

Class 2

Class 3

Class 4

Class Error

100 mA

PD39208

Electrical Specifications

Datasheet

DS00003555B-page 11

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