The LP38690DT-3.3 is a 1A low dropout CMOS Linear Regulator which is stable with ceramic output capacitors. This regulator provides tight output tolerance (2.5% typical), extremely low dropout voltage (450mV at a 1A load current, VOUT = 5V) and excellent AC performance utilizing ultra-low ESR ceramic output capacitors. This regulator is available in a fixed output voltage of 3.3V version.