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 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 Compensation (-80 device) |
| | 50% Maximum Duty Cycle Limiter, No Slope Compensation (-50 device) |
| | 800 mA Peak Gate Driver |
General Description
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. More...
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Typical Application
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Parametric Table
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Parametric Table
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Typical Performance
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Also Recommended
| LM5071 | Compatible With Auxilary Power Sources, Such As 12 V AC Adapters |
| LM5072 | Higher Transient Voltages (100V), Supplies More Current (750mA) And Compatible With Auxiliary Power |
| LM3411 | Feedback Control / Optocoupler Driver For Isolated Supplies |

Additional Resources
Online Seminars
Design Tools (see below)
Application Notes (see below)

Block Diagram
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