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MAX5988A - IEEE 802.3af-Compliant High-Efficiency Devices

Description

The MAX5988A/MAX5988B provide a complete powersupply solution as IEEE® 802.3af-compliant Class 1/ Class 2 Powered Devices (PDs) in a Power-over-Ethernet (PoE) system.

The devices integrate the PD interface with an efficient DC-DC converter, offering a low external part count PD solution.

Features

  • High Integration Saves Space and BOM Cost.
  • Efficient, Integrated DC-DC Converter (with Integrated Switches).
  • Built-In Output-Voltage Monitoring.
  • Protects Against Overload, Output Short Circuit, Output Overvoltage, and Overtemperature.
  • Integrated TVS Diode Withstands Cable Discharge Event (CDE).
  • Internal LDO Regulator with Up to 100mA Load.

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Other Datasheets by Maxim Integrated (Analog Devices)

Part Number Description
MAX5988B IEEE 802.3af-Compliant High-Efficiency Devices
MAX5980 IEEE 802.3at/af PSE Controller
MAX5981A Powered Device Interface Controllers
MAX5981B Powered Device Interface Controllers
MAX5982A Powered Device Interface Controllers

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MAX5988A/MAX5988B EVALUATION KIT AVAILABLE IEEE 802.3af-Compliant, High-Efficiency, Class 1/Class 2, Powered Devices with Integrated DC-DC Converter General Description The MAX5988A/MAX5988B provide a complete powersupply solution as IEEE® 802.3af-compliant Class 1/ Class 2 Powered Devices (PDs) in a Power-over-Ethernet (PoE) system. The devices integrate the PD interface with an efficient DC-DC converter, offering a low external part count PD solution. The devices also include a low-dropout regulator, MPS, sleep, and ultra-low-power modes. The PD interface provides a detection signature and a Class 1/Class 2 classification signature with a single external resistor.
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