Si3400/Si3401

Rev. 0.9

5

Table 2. Absolute Maximum Ratings (Transient)1

Transient surge defined in IEC60060 as a 1000 V impulse of either polarity applied across CT1–CT2 or SP1–SP2. The shape of

the impulse shall have a 300 ns full rise time and a 50 µs half fall time, with 201

Ω source impedance.

Type

Description

Rating

Unit

Voltage

CT1 to CT2

–82 to 82

V

SP1 to SP2

–82 to 82

VPOS2

–0.7 to 80

HSO

–0.7 to 80

VSS1, VSS2, or VSSA

–0.7 to 80

SWO

–0.7 to 80

PLOSS to VPOS2

–80 to 0.7

RDET

–0.7 to 80

Current

CT1, CT2, SP1, SP2

–5 to 5

A

VPOS2

–5 to 5

ESD3

HBM, all pins

–2 to 2

kV

Notes:

1. Unless otherwise noted, all voltages referenced to VNEG. Permanent device damage may occur if the maximum ratings

are exceeded. Functional operation should be restricted to those conditions specified in the operational sections of this

data sheet. Exposure to absolute maximum rating conditions for extended periods may adversely affect device

reliability.

2. VPOS is equal to VPOSF and VPOSS tied together for test condition purposes.

3. For more information regarding system-level ESD tolerance, refer to “AN315: Robust Electrical Surge Immunity for PoE

PDs through Integrated Protection”.

Table 3. Recommended Operating Conditions

Description

Symbol

Min

Typ

Max

Units

|CT1 – CT2| or |SP1 – SP2|

VPORT

2.8

—

57

V

Ambient Operating Temperature

TA

–40

25

85

°C

Note: Unless otherwise noted, all voltages referenced to VNEG. All minimum and maximum specifications are guaranteed

and apply across the recommended operating conditions. Typical values apply at nominal supply voltage and ambient

temperature unless otherwise noted.