Description

• Parameters: POWERED DEVICE (PD) AND DC/DC CONTROLLER COMPATIBLE WITH IEEE 802.3AF STANDARD
• 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, Download the latest English version SD4954B Brief Datasheet SOP-16-225-1.27
• Features: PD controller IEEE 802.3af Compliant 100V 0.6Ω On-chip MOSFET Undervoltage lockout Over temperature protection 180mA inrush current limit 850mA operating current Fault automatic retry DC/DC controller Fixed switching frequency control
• Applications: General Purpose
• Current: 802.3A