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LTC4267 - Power over Ethernet IEEE 802.3af PD Interface

Key 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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Other Datasheets by Linear Technology (now Analog Devices)

Part Number Description
LTC4267-1 Power over Ethernet IEEE 802.3af PD Interface
LTC4267-3 Power over Ethernet IEEE 802.3af PD Interface
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LTC4261 Negative Voltage Hot Swap Controllers
LTC4261-2 Negative Voltage Hot Swap Controllers
LTC4263 Single IEEE 802.3af Compliant PSE Controller
LTC4263-1 High Power Single PSE Controller
LTC4264 High Power PD Interface Controller
LTC4265 IEEE 802.3at High Power PD Interface Controller
LTC4266 Quad IEEE 802.3at Power over Ethernet Controller

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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.