AS1831 IEEE802.3af (13W) PoE PD Controller

IEEE802.3af (13W) PoE PD Controller

• PoE PD Controller
• Type 1 IEEE® 802.3af Compliant PD for 13W applications
• Low Resistance PD Power FET Switch (0.5 ohm typical)

Primary-Side DC-DC Controller

• High-efficiency DC-DC Controller with Digital Optimization
• Primary-Secondary High-voltage integrated Digital Isolation
• Programmable Primary Clock Frequency
• Local-power operation down to 9.5V

Secondary-Side Power Outputs

• Programmable PWM Frequencies synched to External Clock
• Synchronous Controller with programmable power-FET timing for high efficiency at both light and full load

Key Applications

• Voice-over-IP (VoIP) phones
• Wireless LAN & WiMAX access points (WAP)
• Pan, Tilt, Zoom (PTZ) Cameras, IP cameras
• Thin-client and notebook computers
• Fiber-to-the-home (FTTH) terminals