This part is a kind of semiconductor called LM2950L-3.0.

Function of this product has 0.1A LOW DROPOUT VOLTAGE REGULATORS.

Manufacturers : ETC

Image and pinout :

Some of the text within the PDF file :

0.1A LOW DROPOUT VOLTAGE REGULATORS Features High accuracy output voltage Guaranteed 0.1A output Very low quiescent current Low dropout voltage Extermely tight load and line regulation Very low temperature coefficent Need only 1uF for stability Error flag warns of output dropout Logi-control electronic shutdown Output programmable from 1.24 to 29V LM2950 TO-92 Applications - Battery powered systems - Cordless telephones - Radio control systems - Portable/Palm top/Notebook computer - Portable consumer equipment - Portable Instrumentation - Avionics - Automotive Electronics - SMPS Post-Regulator - Voltage Reference 1. Vout 2. Gnd 3. Vin 1 ORDERING INFORMATION DEVICE LM2950L-XX Adjustable=AD ) PKG TO-92 (XX= Output Voltage=2.85, 3.0, 3.3, 5.0V PRODUCT DESCRIPTION The LM2950 is a low pow [ ... ]

LM2950L-3.0 PDF Datasheet Download