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LTC4267 - Power over Ethernet IEEE 802.3af PD Interface

Features

  • Complete Power Interface Port for IEEE 802®.3af Powered Device (PD).
  • Onboard 100V, 400mA UVLO Switch.
  • Precision Dual Level Inrush Current Limit.
  • Integrated Current Mode Switching Regulator.
  • Onboard 25kΩ Signature Resistor with Disable.
  • Programmable Classification Current (Class 0-4).
  • Thermal Overload Protection.
  • Power Good Signal.
  • Integrated Error Amplifier and Voltage Reference.
  • Low Profile 16-Pin SSOP and 3mm × 5mm DFN Packages U.

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Full PDF Text Transcription

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U U LTC4267 Power over Ethernet IEEE 802.3af PD Interface with Integrated Switching Regulator FEATURES ■ Complete Power Interface Port for IEEE 802®.3af Powered Device (PD) ■ Onboard 100V, 400mA UVLO Switch ■ Precision Dual Level Inrush Current Limit ■ Integrated Current Mode Switching Regulator ■ Onboard 25kΩ Signature Resistor with Disable ■ Programmable Classification Current (Class 0-4) ■ Thermal Overload Protection ■ Power Good Signal ■ Integrated Error Amplifier and Voltage Reference ■ Low Profile 16-Pin SSOP and 3mm × 5mm DFN Packages U APPLICATIO S ■ IP Phone Power Management ■ Wireless Access Points ■ Security Cameras ■ Power over Ethernet , LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners.
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