LM5070 Integrated Power Over Ethernet PD Interface and PWM Controller

National Semiconductor

Description

LM5070 Integrated Power Over Ethernet PD Interface and PWM Controller March 2005 LM5070 Integrated Power Over Ethernet PD Interface and PWM Contro.
The LM5070 power interface port and pulse width modulation (PWM) controller provides a complete integrated solution for Powered Devices (PD) that conn.

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Datasheet Specifications

Part number: LM5070
Manufacturer: National Semiconductor
File Size: 811.48 KB
Datasheet: LM5070_NationalSemiconductor.pdf
Description: Integrated Power Over Ethernet PD Interface and PWM Controller

Features

* n Fully Compliant 802.3af Power Interface Port n 76V, 1Ω, 400 mA Internal MOSFET n Programmable Inrush Current Limit n Detection Resistor Disconnect Function n Programmable Classification Current n Programmable Under-voltage Lockout with Programmable Hysteresis n Thermal Shutdown Protection n Curre

Applications

* n Error Amplifier and Reference for Non-Isolated Applications n Programmable Oscillator Frequency n Programmable Soft-start n 80% Maximum Duty Cycle Limiter, Slope Compensation (-80 device) n 50% Maximum Duty Cycle Limiter, No Slope Compensation (-50 device) n 800 mA Peak Gate Driver Packages n TSSO

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LM5070 Integrated Power Over Ethernet Interface and PWM Controller National Semiconductor

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