The requested file:
https://pdf.datasheetcatalog.com/datasheet/allegromicrosystems/2557.pdf
is the data sheet for the following electronic components:

Allegro MicroSystems

#	Part Name	Description
1	A2557EB	Protected Quad Low-Side Driver with Fault Detection and Sleep Mode
2	A2557EEB	Protected Quad Low-Side Driver with Fault Detection and Sleep Mode
3	A2557ELB	Protected Quad Low-Side Driver with Fault Detection and Sleep Mode
4	A2557KB	Protected Quad Low-Side Driver with Fault Detection and Sleep Mode
5	A2557KEB	Protected Quad Low-Side Driver with Fault Detection and Sleep Mode
6	A2557KLB	Protected Quad Low-Side Driver with Fault Detection and Sleep Mode
7	A2557SB	Protected Quad Low-Side Driver with Fault Detection and Sleep Mode
8	A2557SEB	Protected Quad Low-Side Driver with Fault Detection and Sleep Mode
9	A2557SLB	Protected Quad Low-Side Driver with Fault Detection and Sleep Mode

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