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ADI LTC4267IGN-3#TRPBF product image
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ADI LTC4267IGN-3#TRPBFRoHS

Manufacturer
ADI
MPN
LTC4267IGN-3#TRPBF
LCSC Part #
C687896
Packaging
SSOP-16-150mil
Customer #
Key Attributes
LTC4267-3 IEEE 802.3af PD Interface with Integrated Switching Regulator
Datasheetpdf iconADI LTC4267IGN-3#TRPBF
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QtyUnit Price(Reference Only)Total Amount
1+$ 3.4559$ 3.46
200+$ 1.3382$ 267.64
500+$ 1.2904$ 645.20
1,000+$ 1.2672$ 1267.20
Standard Packaging2500/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Power Over Ethernet (PoE) Controllers
ManufacturerADI
PackagingSSOP-16-150mil
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2500
Sales UnitPiece

Introduction

AI Translation

The LTC4267-3 combines an IEEE 802.3af compliant Powered Device (PD) interface with a 300kHz current mode switching regulator, providing a complete power solution for PD applications. The LTC4267-3 integrates the 25k signature resistor, classification current source, thermal overload protection, signature disable and power good signal along with an undervoltage lockout optimized for use with the IEEE-required diode bridge. The LTC4267-3 provides an increased operational current limit, maximizing power available for class 3 applications. The 300kHz current mode switching regulator provides higher output power or smaller external size compared to its lower frequency counterparts. The LTC4267-3 is designed for driving a 6V rated N-channel MOSFET and features programmable slope compensation, soft-start, and constant-frequency operation, minimizing noise even with light loads. The LTC4267-3 includes an onboard error amplifier and voltage reference allowing use in both isolated and nonisolated configurations. The LTC4267-3 is available in a space saving, low profile 16-pin SSOP or DFN packages.

Features

AI Translation
  • Complete Power Interface Port for IEEE 802.3af Powered Device (PD)
  • Onboard 100V, UVLO Switch
  • Constant-Frequency 300kHz Operation
  • Precision Dual Level Inrush Current Limit
  • Integrated Current Mode Switching Regulator
  • Onboard 25k 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 or DFN Packages

Applications

AI Translation
  • IP Phone Power Management
  • Wireless Access Points
  • Security Cameras
  • Power over Ethernet