PD69101 datasheet(11/30 Pages) MICROCHIP

11 / 30 page

Electrical Specifications

Unless otherwise specified, the following specifications apply to the operating ambient temperature (TAMB): –40 °C to

85 °C.

Table 2-1. Power Supply

Parameter

Symbol

Test

Conditions/

Comment

Minimum

Typical

Maximum

Unit

Input voltage

VMAIN

Supports full

IEEE 802.3

functionality

VDC

Power supply

current at

operating

mode

—

VMAIN = 55 V

—

Table 2-2. Digital I/O

Parameter

Symbol

Test Conditions/Comment

Minimum

Typical

Maximum

Unit

Input logic, high threshold

VIH

—

2.2

—

VDC

Input logic, low threshold

VIL

—

0.8

VDC

Input hysteresis voltage

—

0.4

0.6

0.8

VDC

Input high current

IIH

—

–10

—

μA

Input low current

IIL

—

–10

—

μA

Output high voltage

VOH

For IOH = –1 mA

2.4

—

VDC

Output low voltage

VOL

IOH = 1 mA

—

0.4

VDC

Table 2-3. PoE Load Currents

Parameter

Symbol

Test Conditions/Comment

Minimum Typical Maximum Unit

AT, high limit mode

AT_LIM_HIGH (high

current level, for future

use)

RSENSE = 0.5 Ω 1%, connected at

Port_Sense pin

1.18

1.2

1.28

AT, medium limit

mode

AT_LIM_MID (medium

current level, for future

use)

847

874

919

AT, low limit mode

AT_LIM_LOW

706

722

767

AF, limit mode

AF_LIM

410

425

448

Table 2-4. Main Power Switching FET

Parameter

Symbol

Typical

Unit

On resistance

RDSON

0.3

Internal thermal protection

threshold

—

200

°C

PD69101

Electrical Specifications

and its subsidiaries

Datasheet

DS00004280A-page 11

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