Maxim MAX5988BETP+

控制器（PD），DC/DC6.49 W802.3af（PoE）

Overview

The MAX5988A/MAX5988BETP+ provide a complete power-supply 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.

All devices are available in a 20-pin, 4mm × 4mm, TQFN power package and operate over the -40°C to +85°C temperature range.

Features

Tube Package
Tube package
20 pins
48V power supplies

Surface Mount Mounting Type

Applications

There are a lot of Maxim Integrated
MAX5988BETP+ Power Over Ethernet (PoE) Controllers applications.

• Higher Power Ethernet Powered Devices
• IP Phone Power Management
• Wireless Access Points
• Security Cameras
• Power over Ethernet
• PoE powered device appliances
• High power (>12.95 W) powered devices
• IEEE 802.3bt (Draft) Compliant Devices
• Lighting
• Power Modules