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PM8800A
Integrated IEEE 802.3af compliant PoE-PD interface and PWM controller with support of external source
Features
■ IEEE 802.3af compliant PD interface ■ Works with power supplied from Ethernet LAN
cables or from local auxiliary sources ■ Integrated 100 V, 0.5 Ω, 800 mA 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.
PM8800A Datasheet
