www.vishay.com PG-SSOP14 datasheet, cross reference, circuit and application notes in pdf format.

4264: LTC4264IDE: LTC4264: DFN4x3-12: High Power PD Interface Controller with 750mA Current Limit: 4265: LTC4265CDE: LTC4265: DFN4x3-12: IEEE 802.3 at High Power PD Interface Controller with 2-Event Classification Recognition Data Sheet 5 Rev. 1.0, 2009-01-14 TLE42744 General Product Characteristics 4 General Product Characteristics 4.1 Absolute Maximum Ratings Note:Stresses above the ones listed here may cause permanent damage to the device. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.