LT3042 Datasheet

LT3042 Ultrahigh PSRR RF Linear Regulator

The LT®3042 is a high performance low dropout linear regulator featuring LTC’s ultralow noise and ultrahigh PSRR architecture for powering noise sensitive RF applications. Designed as a precision current reference followed by a high performance voltage buffer, the LT3042 can be easily paralleled to .

Features

n Ultralow RMS Noise: 0.8µVRMS (10Hz to 100kHz) n Ultralow Spot Noise: 2nV/√Hz at 10kHz n Ultrahigh PSRR: 79dB at 1MHz n Output Current: 200mA n Wide Input Voltage Range: 1.8V to 20V n Single Capacitor Improves Noise and PSRR n 100µA SET Pin Current: ±1% Initial Accuracy n Single Resistor Programs Output Voltage n High Bandwidth: 1MHz n Programmable Current Limit n Low Dropout Voltage: 350mV n Output Voltage Range: 0V to 15V n Programmable Power Good n Fast Start-Up Capability n Precision Enable/UVLO n Parallelable for Lower Noise and Higher Current n Internal Current Limit with Foldback n Min.