The requested file:
https://pdf.datasheetcatalog.com/datasheet2/b/0d14pwwcxljzk654q2sf83k2chky.pdf
is the data sheet for the following electronic components:

National Semiconductor

#	Part Name	Description
1	LM2931AM-5.0	Series Low Dropout Regulators
2	LM2931AMX-5.0	Series Low Dropout Regulators
3	LM2931AS-5.0	Series Low Dropout Regulators
4	LM2931ASX-5.0	Series Low Dropout Regulators
5	LM2931AT-5.0	Series Low Dropout Regulators
6	LM2931AZ-5.0	Series Low Dropout Regulators
7	LM2931C MWC	Series Low Dropout Regulators
8	LM2931CM	Series Low Dropout Regulators
9	LM2931CMX	Series Low Dropout Regulators
10	LM2931CS	Series Low Dropout Regulators
11	LM2931CSX	Series Low Dropout Regulators
12	LM2931CT	Series Low Dropout Regulators
13	LM2931IBP-3.3	Series Low Dropout Regulators
14	LM2931IBP-5.0	Series Low Dropout Regulators
15	LM2931M-5.0	Series Low Dropout Regulators
16	LM2931MX-5.0	Series Low Dropout Regulators
17	LM2931S-5.0	Series Low Dropout Regulators
18	LM2931SX-5.0	Series Low Dropout Regulators
19	LM2931T-5.0	Series Low Dropout Regulators
20	LM2931Z-5.0	Series Low Dropout Regulators

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