PM8800A
PM8800A is Integrated IEEE 802.3af compliant PoE-PD interface and PWM controller manufactured by STMicroelectronics.
Integrated IEEE 802.3af pliant PoE-PD interface and PWM controller with support of external source
Features
- IEEE 802.3af pliant 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 pensation
-...
