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IP Phones Overview

Featured Information MAX5945: Quad Network Power Controller with AC and DC Disconnect MAX5021 Data Sheet Power Supplies for IEEE802.3af Compliant Power Devices Suggested Components Battery-Backup Circuits GPIO Multi-Voltage Supervisors PD Controller Products Power Sequencer/Reset Sequencers Power Supply Products for PD Power Supply Products for PSE PSE Controller Products Regulators and Reset Circuits Single-Voltage Supervisors Touchscreen Controllers Didn't Find What You Need?

PSE Switch For Power-Over-Ethernet IEEE 802.3af-Compliant Power-Over-Ethernet Interface/PWM Controller for Power Devices IEEE 802.3af PD Interface Controller For Power-Over-Ethernet

Application Notes

App Note 4232: HFRD-34.0 4x4 DVI KVM Switch App Note 4163: Telecom Hot-Swap Reference Design Is Immune to Overvoltage and Brownout Input Transients App Note 4162: Reference Design for a Powered-Device (PD) Module Based on the MAX5941B PWM Controller App Note 4161: PoE+ Circuit Delivers 13W to 70W for Powered Devices (PDs) App Note 4152: Reference Design for the MAX5073 Dual Buck Converter Operating at a Switching Frequency of 2MHz More...

New Product Announcements

Industry's First, Quad PSE Controller Enables High-Power (PoE+) and IEEE 802.3af Applications Industry's Smallest Supervisory Circuits to Offer Battery Backup, Chip-Enable Gating, and Power-Fail Warning for Power-Supply Monitoring 4V to 40V Input, 50mA LDO Regulators Consume Only 10µA of Quiescent Current Industry's First Power-over-Ethernet (PoE) Power Supply that Integrates an 802.3af PD Interface, PWM Controller, and Power MOSFETs 625kHz, Isolated/Nonisolated, Current-Mode PWM Controllers Are Ideal for Universal Offline, Telecom, or 12V Input Voltages More...

Related Information

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