MAX5986C Overview
The PD interface provides a detection signature and a Class 1/Class 2 classification signature with a single external resistor. The PD interface also provides an isolation power MOSFET, a 60mA (max) inrush current limit, and a 323mA operating current limit. The devices feature an input undervoltage-lockout (UVLO) with wide hysteresis and long deglitch time to pensate for twisted-pair cable resistive drop and to assure glitch-free transition during power-on/off conditions. The devices also feature overtemperature shutdown, short-circuit protection, output overvoltage protection, and hiccup current limit for enhanced performance and reliability. The MAX5986A–MAX5986C/MAX5987A are available in a 16-pin, 5mm x 5mm, TQFN power package and operate over the -40°C to +85°C temperature range. Ordering Information appears at end of data sheet. IEEE is a registered service mark of the Institute of...
MAX5986C Key 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 (MAX5987A)
- IEEE 802.3af-pliant Features Reduce Design Time
- PoE Class 1/Class 2 Classification Set with Single Resistor
- Intelligent Maintain Power Signature (MPS) plies with IEEE 802.3af Specification
- Simplified Wall Adapter Interface