PM8805 Overview
Key Specifications
Operating Voltage: 48 V
Max Voltage (typical range): 57 V
Min Voltage (typical range): 36 V
Length: 8 mm
Description
The PM8805 is a system-in-package for smart power supply of Power over Ethernet (PoE) Powered Devices (PD) and it is applicable for power level up to 99.9 W. It embeds: two active bridges and their driving circuitry, a charge pump to drive the high-side MOSFETs, the hot swap MOSFET and the interface compliant with IEEE 802.3bt.
Key Features
- Dual active bridge, hot swap MOSFET and PoE-PD interface in a system-inpackage
- 100 V N-ch MOSFETs with 0.2 Ω total path resistance for each active bridge
- 100 V, 0.1 Ω high-side N-ch hot swap MOSFET
- PoE-PD single-signature interface compliant with IEEE 802.3bt / at / af
- Supports 4-pair PoE applications
