Part Number : LD33CV
Function :Voltage Regulator – 3.3V
Manufacturer : STMicroelectronics
Pinout : 
Description
This is the basic LD1117V33 voltage regulator, a low drop positive regulator with a 3.3V fixed output voltage. This fixed regulator provides a great amount of stability and protection for your project and with its on ship trimming this regulator is able to reach an output voltage tolerance within ±1%. Each one of these voltage regulators can output a max current of 800mA
Reference site : https://www.sparkfun.com/products/526
Datasheet PDF Download
Other datasheets in the file : LD33CV