LM5070
FEATURES
- 2 Fully pliant 802.3af Power Interface Port
- 80V, 1Ω, 400 m A Internal MOSFET
- Programmable Inrush Current Limit
- Detection Resistor Disconnect Function
- Programmable Classification Current
- Programmable Under-voltage Lockout with
Programmable Hysteresis
- Thermal Shutdown Protection
- Current Mode Pulse Width Modulator
- Supports Both Isolated and Non-Isolated
Applications
- Error Amplifier and Reference for Non-Isolated
Applications
- Programmable Oscillator Frequency
- Programmable Soft-Start
- 80% Maximum Duty Cycle Limiter, Slope pensation (-80 device)
- 50% Maximum Duty Cycle Limiter, No Slope pensation (-50 device)
- 800 m A Peak Gate Driver
DESCRIPTION
The LM5070 power interface port and pulse width modulation (PWM) controller provides a plete integrated solution for Powered Devices (PD) that connect into Power over Ethernet (Po E) systems. The LM5070 integrates an 80V, 400m A line connection switch and associated control for a fully IEEE 802.3af pliant interface...
