Taiwan semiconductors ts29502951 150ma ultra ldo voltage regulators taiwan semiconductor ts2951cs33 rl a 150ma 33v fixed voltage regulator with an ultra low dropout voltage in a surface mounting so 8 case the device has a feature set that make it especially suitable for battery powered applications such as cordless telephones radio control systems and portable computers in addition these voltage regulators feature a programmable voltage output of from 124 to 29v output voltage sense