Integrated Power Over Ethernet PD Interface and PWM Controller

LM5070 Integrated Power Over Ethernet PD Interface and PWM Controller

Features:

• Fully compliant 802.3af Power Interface Port
• 80V 1Ω, 400 mA 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 Applicatins
• Error Amplifier and Reference for Non-Isolated Applications
• Programmable Oscillator Frequency
• Programmable Soft-start
• 80% Maximum Duty Cycle Limiter, Slope Compensation (-80 device)
• 50% Maximum Duty Cycle Limiter, No Slope Compensation (-50 device)
• 800 mA Peak Gate Driver

Contents:

• A fully assembled LM5070AE evaluation board
• LM5070 datasheet
• LM5070 eval board appnote

• AN-1474 - Application Note 1474 The LM507X Family of PoE Devices: Frequently Asked Questions (FAQs)
• AN-1875 - Application Note 1875 LM5073HE Evaluation Board With Active Bridge
• AN-1574 - Application Note 1574 LM5073 Evaluation Board
• AN-1455 - Application Note 1455 LM5072 Evaluation Board
• AN-1430 - Application Note 1430 LM5071 Evaluation Board
• AN-1358 - Application Note 1358 LM5070 'AE' Evaluation Board
• AN-1408 - Application Note 1408 Designing Power Over Ethernet Using LM5070 and DP83865
• AN-1521 - Application Note 1521 POEPHYTEREV-I / -E User Guide
• AN-1346 - Application Note 1346 LM5070 'HE' Evaluation Board