LM5070 – Integrated Power Over Ethernet PD Interface and PWM Controller
The LM5070 power interface port and pulse width modulation (PWM) controller provides a complete integrated solution for Powered Devices (PD) that connect into Power over Ethernet (PoE) systems
Features
• Fully Compliant 802.3af Power Interface Port
• 80V, 1, 400 mA Internal MOSFET
• Programmable Inrush Current Limit
• Detection Resistor Disconnect Function
• Programmable Classification Current
• Programmable Under-voltage Lockout
• 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
• Maximum Duty Cycle Limiter
• 800 mA Peak Gate Driver
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