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SD4954B - POWERED DEVICE (PD) AND DC/DC CONTROLLER

General Description

compatible with IEEE 802.3af standard.

with functions of detection, classification and inrush current limit.

Key Features

  • built-in current limit, undervoltage protection and over temperature protection. SOP-16-225-1.27 The DC/DC controller integrates a 200V power MOSFET with SSR control. It is suitable for Flyback and buck topology, providing accurate CV 3.

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Datasheet Details

Part number SD4954B
Manufacturer Silan
File Size 177.85 KB
Description POWERED DEVICE (PD) AND DC/DC CONTROLLER
Datasheet download datasheet SD4954B Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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SD4954B Datasheet POWERED DEVICE (PD) AND DC/DC CONTROLLER COMPATIBLE WITH IEEE 802.3AF STANDARD 1.DESCRIPTION SD4954B is an Ethernet powered device and DC/DC controller IC compatible with IEEE 802.3af standard. It provides powered devices (PD) with functions of detection, classification and inrush current limit. SD4954B integrates a 100V power MOSFET with on-resistance of 0.6Ω, and features built-in current limit, undervoltage protection and over temperature protection. SOP-16-225-1.27 The DC/DC controller integrates a 200V power MOSFET with SSR control. It is suitable for Flyback and buck topology, providing accurate CV 3.APPLICATIONS control loop. It features high system efficiency and good EMI characteristic.  Security Cameras  IP phones 2.