• Part: LTC4259A
  • Description: Quad IEEE 802.3af Power over Ethernet Controller
  • Manufacturer: Linear Technology
  • Size: 413.83 KB
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Datasheet Summary

Quad IEEE 802.3af Power over Ethernet Controller with AC Disconnect Features DESCRIPTIO - Controls Four Independent - 48V Powered Ethernet Ports - Each Port Includes: - IEEE 802®.3af pliant PD Detection and Classification - Output Current Limit with Foldback - Short-Circuit Protection with Fast Gate Pull-Down - PD Disconnect Using AC or DC Sensing - Power Good Indication - Operates Autonomously or Controlled by I2CTM Serial Interface - 4-Bit Programmable Digital Address Allows Control of Up to 64 Ports - Programmable INT Pin Eliminates Software Polling - Current and Duty Cycle Limits Protect External FETs - Available in a 36-UPin SSOP Package APPLICATIO S - IEEE...