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

LTC4259A Overview

Key Features

  • Controls Four Independent – 48V Powered Ethernet Ports
  • 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 802.3af Compliant Endpoint and Midspan Power Sources
  • IP Phone Systems