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PM8800
Integrated IEEE 802.3af compliant PoE-PD interface and PWM controller with support of external source
Preliminary Data
Features
■ IEEE 802.3af compliant PD Interface ■ Works with power supplied from Ethernet LAN
cables or from local auxiliary sources ■ Integrated 100V, 0. 5Ω, 800mA Hot-Swap
MOSFET ■ Integrated signature resistor ■ Programmable in-rush current limit ■ Programmable classification current ■ Programmable DC current limit up to 800 mA ■ High voltage start-up bias regulator ■ Thermal Shutdown protection ■ Current mode pulse width modulator ■ Programmable Oscillator Frequency ■ Programmable Soft-start ■ Power Good Indication ■ 80% maximum duty cycle with internal slope
compensation ■ Supports both Isolated and Non-Isolated
Applications.