Maxim Integrated MAX5986BETE T

Description
The MAX5986A-MAX5986C/MAX5987A are IEEE 802.3af-compliant Class 1/Class 2 Powered Devices (PDs) with integrated DC-DC converters. They provide a complete power supply solution for Power-over-Ethernet (PoE) systems.

Features
High integration saves space and BOM cost
Built-in output voltage monitoring
Integrated TVS diode withstands cable discharge event (CDE)
Internal LDO regulator with up to 100mA load (MAX5987A)
IEEE 802.3af-compliant features reduce design time
Simplified wall adapter interface
Pass 2kV, 200m CAT-6 cable discharge event
High efficiency during light loads reduces power consumption
Sleep and ultra-low-power mode (MAX5986A/MAX5986B/MAX5986C)
Frequency foldback for high-efficiency light-load operation
Back-bias capability to optimize efficiency
Robust performance
8.7V to 60V wide input voltage range
Hiccup-mode runaway current limit
49mA (typ) inrush current limit
Open-drain RESET output (MAX5987A)
Flexible and easy to design with
3.0V to 14V programmable output voltage range
Internal compensation
Fixed 215kHz/430kHz switching frequency
Fixed 3.3V or adjustable output voltage through an external resistive divider

Applications
IEEE 802.3af-powered devices
IP phones
Wireless access nodes
IP security cameras
WiMAX® base stations