The requested file:
https://pdf.datasheetcatalog.com/datasheet2/d/0j018440w7zj97cwcuhauuiep0cy.pdf
is the data sheet for the following electronic components:

National Semiconductor

#	Part Name	Description
1	LM5070	Integrated Power Over Ethernet PD Interface and PWM Controller
2	LM5070AE EVAL	Integrated Power Over Ethernet PD Interface and PWM Controller
3	LM5070HE EVAL	Integrated Power Over Ethernet PD Interface and PWM Controller
4	LM5070MTC-50	Integrated Power Over Ethernet PD Interface and PWM Controller
5	LM5070MTC-80	Integrated Power Over Ethernet PD Interface and PWM Controller
6	LM5070MTCX-50	Integrated Power Over Ethernet PD Interface and PWM Controller
7	LM5070MTCX-80	Integrated Power Over Ethernet PD Interface and PWM Controller
8	LM5070SD-50	Integrated Power Over Ethernet PD Interface and PWM Controller
9	LM5070SD-80	Integrated Power Over Ethernet PD Interface and PWM Controller
10	LM5070SDX-50	Integrated Power Over Ethernet PD Interface and PWM Controller
11	LM5070SDX-80	Integrated Power Over Ethernet PD Interface and PWM Controller

Select the part name and then you can download the datasheet in PDF format.