STHS4257A Datasheet Ieee 802.3af Poe Powered Device (pd) Interface Controller

Manufacturer: STMicroelectronics

Overview: STHS4257A, STHS4257A1 STHS4257L, STHS4257L1 IEEE 802.3af PoE Powered Device (PD) interface controller with integrated signature resistor www.datasheet4u.

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

General Description

Key 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).

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