STHS4257A - IEEE 802.3af PoE Powered Device (PD) interface controller

STMicroelectronics

The STHS4257A by STMicroelectronics is a IEEE 802.3af PoE Powered Device (PD) interface controller. Below is the official datasheet preview.

📥 Download Datasheet

STHS4257A IEEE 802.3af PoE Powered Device (PD) interface controller by STMicroelectronics - Datasheet Preview — Official preview page of the **STHS4257A** IEEE 802.3af PoE Powered Device (PD) interface controller datasheet (STMicroelectronics).

Datasheet Details

Part number	STHS4257A
Manufacturer	STMicroelectronics
File Size	229.44 KB
Description	IEEE 802.3af PoE Powered Device (PD) interface controller
Datasheet	STHS4257A_STMicroelectronics.pdf
Additional preview pages of the STHS4257A datasheet.

STHS4257A Product details

Description

5 1.1 Pin descriptions 7 1.1.1 1.1.2 1.1.3 1.1.4 1.1.5 1.1.6 Classification (RCLASS) . .

Features

IEEE 802.3af-compliant interface for Powered Devices (PDs) Integrated 100V, 450mA power MOSFET low side switch Inrush current limit Normal operation current limit Integrated 25kΩ signature resistor Signature disable (STHS4257A1/L1) Resistor-programmable classification current (Class 0-4) Power Good output, open drain Undervoltage Lockout (UVLO) Thermal overload protection (two-step for the STHS4257A/L) Latch (L).

📁 STHS4257A Similar Datasheet

STH1061 - NPN Plastic Power Transistor (SEMTECH ELECTRONICS)
STH10NA50 - N-CHANNEL Power MOS MOSFET (ST Microelectronics)
STH10NA50FI - N-CHANNEL Power MOS MOSFET (ST Microelectronics)
STH10NC60 - N-CHANNEL Power MOS MOSFET (ST Microelectronics)
STH10NC60FI - N-CHANNEL Power MOS MOSFET (ST Microelectronics)
STH110N10F7-2 - N-Channel MOSFET (INCHANGE)
STH12N60 - N-Channel Enhancement Mode Fast Power MOS Transistor (ST Microelectronics)
STH12N60FI - N-Channel Enhancement Mode Fast Power MOS Transistor (ST Microelectronics)

Other Datasheets by STMicroelectronics

STHS4257A1 - IEEE 802.3af PoE Powered Device (PD) interface controller
STHS4257L - IEEE 802.3af PoE Powered Device (PD) interface controller
STHS4257L1 - IEEE 802.3af PoE Powered Device (PD) interface controller
STHS2375A - IEEE 802.3af PoE Powered Device (PD) interface controller
STHS2375L - IEEE 802.3af PoE Powered Device (PD) interface controller
STHS2376A - IEEE 802.3af PoE Powered Device (PD) interface controller

Published: May 2, 2009 |