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STHS4257L - IEEE 802.3af PoE Powered Device (PD) interface controller

Download the STHS4257L datasheet PDF. This datasheet also covers the STHS4257A variant, as both devices belong to the same ieee 802.3af poe powered device (pd) interface controller family and are provided as variant models within a single manufacturer datasheet.

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).

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (STHS4257A_STMicroelectronics.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by STMicroelectronics

Part Number Description
STHS4257L1 IEEE 802.3af PoE Powered Device (PD) interface controller
STHS4257A IEEE 802.3af PoE Powered Device (PD) interface controller
STHS4257A1 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

Full PDF Text Transcription

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STHS4257A, STHS4257A1 STHS4257L, STHS4257L1 IEEE 802.3af PoE Powered Device (PD) interface controller with integrated signature resistor www.datasheet4u.com Features ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ IEEE 802.
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