PHOENIX, Ariz. – June 8, 2011 – ON Semiconductor (Nasdaq: ONNN) a premier supplier of high performance silicon solutions for energy efficient electronics has announced the introduction of five ultra small package, low dropout (LDO) linear voltage regulators to bolster its existing portfolio for smart phones and other portable electronics. Based on complementary metal oxide semiconductor (CMOS) technology, the new devices can each deliver an output current of 150 milliamperes (mA).