STHS2375AM6F datasheet(12/20 Pages) STMICROELECTRONICS

12 / 20 page

Electrical parameters STHS237xA, STHS237xL

STHS237x

12/20

Electrical parameters STHS237xA, STHS237xL

Specifications common for all the STHS237xA/L product family unless otherwise

noted.

VDD = 48V, RDET = 24.9kΩ, RCLASS = 255Ω, RILIM = 178kΩ, TJ= –40 to 125°C, unless

otherwise noted, typical values at 25°C. For the STHS2376x VUVLO = 0V for classification

and VUVLO = 5V otherwise. Voltages are referenced to the VSS pin unless otherwise noted.

Positive currents are into pins.

Table 5.

Electrical parameters

Symbol

Parameter

Test conditions

Min

Typ

Max

Units

Recommended operating conditions

Input voltage range

VDD, PG, RTN

057

UVLO

IRTN

Operating current

range (sinking)

RTN

450

RCLASS

Classification

resistor (1), (2)

Classification tested with exact resistor values. A 1% tolerance of classification resistor values is sufficient

for compliance with IEEE 802.3af classification current limits.

Do not apply external voltage to the CLASS and ILIM pins.

CLASS

255

4420

RILIM

Inrush current limit

programming

resistor (2)

62.5

500

IPG(SINK)

Sinking current

PG = low

Operating junction

temperature

–40

125

°C

Operating free-air

temperature

–40

°C

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