View lp2985-xx 1 datasheet:

INTEGRATED CIRCUITS LP2985-XX Micropower 150 mA low noise, low dropout linear regulator Product data 2001 Oct 03 File under Integrated Circuits, Standard Analog Philips Semiconductors Philips Semiconductors Product data Micropower 150 mA low noise, LP2985-XX low dropout linear regulator GENERAL DESCRIPTION The LP2985-XX is a 150 mA, fixed output voltage regulator designed to provide very low dropout and low noise in battery powered and portable applications. The output voltage is preset to 1.8, 2.8, 3.0, 3.3, 3.6, or 5.0 V. Designed with an optimized PNP process, the LP2985-XX achieves unequalled performance in all specifications critical to battery-powered designs such as low supply-current, low dropout voltage, low power consumption, small size, fast dynamic respons