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PM8803

STMicroelectronics
Part Number PM8803
Manufacturer STMicroelectronics
Description IEEE 802.3at compliant integrated PoE-PD interface and PWM controller
Published Jun 25, 2015
Detailed Description PM8803 High-efficiency, IEEE 802.3at compliant integrated PoE-PD interface and PWM controller Datasheet - production da...
Datasheet PDF File PM8803 PDF File

PM8803
PM8803

Overview
PM8803 High-efficiency, IEEE 802.
3at compliant integrated PoE-PD interface and PWM controller Datasheet - production data Applications  VoIP phones, WLAN AP  WiMAX CPEs  Security cameras  PoE/PoE+ powered device appliances Description Features  IEEE 802.
3at compliant PD interface  Works with power supplied from Ethernet LAN cables or from local auxiliary sources  Successful IEEE802.
3at Layer1 classification indicator  Integrated 100 V, 0.
45 Ω, 1 A hot-swap MOSFET  Accurate 140 mA typ.
inrush current level  Programmable classification current  Programmable DC current limit up to 1 A  Integrated high voltage start-up bias regulator  Thermal shutdown protection  Current mode pulse width modulator  Programmable oscillator frequency  80% maximum duty cycle with internal slope compensation  Support for flyback, forward, forward active clamp, flyback with synchronous rectification The PM8803 integrates a Power over Ethernet (PoE) interface and a current mode PWM controll...


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