SI3461 Overview
The Si3461 is a single-port power management controller for IEEE 802.3at-pliant Power Sourcing Equipment (PSE). The Si3461 can be powered from a 50 V input using a shunt regulator, or, to save power, it can be powered from 50 V and 3.3 V power supplies. The IEEE-required Powered Device (PD) detection.
SI3461 Key Features
- IEEE-pliant disconnect IEEE 802.3atTM pliant PSE -Inrush current control
- Autonomous operation requires -Short-circuit output fault no host processor interface protection
- plete reference design -LED status signal (detect, power good, output fault) available, including Si3461 controller and
- UNH Interoperability Test Lab report available -Low-cost BOM -pact PCB footprint
- Extended operating range -Operates directly from a +50 V (-40 to +85 °C) isolated supply
- 11-Pin Quad Flat No-Lead -Supports up to 30 W maximum (QFN) package output power (Class 4)
- Pin Assignments
- Robust