SI3400 regulator equivalent, fully-integrated 802.3-compliant pd interface and switching regulator.
IEEE 802.3 standard-compliant solution, including pre-standard (legacy) PoE support Highly-integrated IC enables compact solution footprints Minimal external components I.
Voice over IP telephones and adapters Wireless access points Security cameras Point-of-sale terminals Internet appliance.
The Si3400 and Si3401 integrate all power management and control functions required in a Power-over-Ethernet (PoE) powered device (PD) application. The Si3400 and Si3401 convert the high voltage supplied over the 10/100/1000BASE-T Ethernet connection.
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