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

STMicroelectronics

Description

STHS4257A, STHS4257A1 STHS4257L, STHS4257L1 IEEE 802.3af PoE Powered Device (PD) interface controller with integrated signature resistor www.datasheet.
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Datasheet Specifications

Part number: STHS4257A
Manufacturer: STMicroelectronics ↗
File Size: 229.44 KB
Datasheet: STHS4257A_STMicroelectronics.pdf
Description: IEEE 802.3af PoE Powered Device (PD) interface controller

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

Applications

* Voice over IP (VoIP) phones Table 1. Device options Signature disable Order code s b O STHS4257A t e ol o r eP ✔ ) s t( c du 39.2 36.0 39.2 30.5 30.5 30.5 30.5 -O
* l o bs Web cameras WLAN access points Internet appliances POS terminals RFID readers P

STHS4257A Distributors

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STHS4257A IEEE 802.3af PoE Powered Device interface controller STMicroelectronics

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