Anyone got 95812 HRZ W712PK regulator datasheet?
You are going to have to request it from the manufacturing. Googling this partnumber gives me the ISL95812 chip. Which in turn led me to the website of the product.
There you can find the short datasheet, probably the one you found. In the top right corner it says: 


  To request the full datasheet, please visit www.intersil.com/products/isl95812


On the site you can click on Request Full Datasheet (top right, beneath the banner)

EDIT:
Some extra information on the part string:

What does 95812 HRZ W712PK mean?


95812 is the partnumber, which leads to ISL95812
HRZ will probably note the specific configuration of the ISL95812
(like what kind of package/footprint/temperature range)
W712PK holds the information of when it is made. This particular
chip is most likely made in week 7 of the year 2012