LT3094 - Analog Devices

LT3094 Ultrahigh PSRR Negative Linear Regulator

The LT®3094 is a high performance low dropout negative linear regulator featuring ADI’s ultralow noise and ultrahigh PSRR architecture for powering noise sensitive applications. The device can be easily paralleled to further reduce noise, increase output current and spread heat on a PCB. The LT3094 supplies 500mA at a typical 235mV dropout voltage. Operating.

Features

n Ultralow RMS Noise: 0.8µVRMS (10Hz to 100kHz) n Ultralow Spot Noise: 2.2nV/√Hz at 10kHz n Ultrahigh PSRR: 74dB at 1MHz n Output Current: 500mA 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 Programmable Current Limit n Low Dropout Voltage: 235mV n Output Voltage Range: 0V to
  –19.5V n Programmable Power Good and Fast Start-Up n Bipolar Precision Enable/UVLO Pin n VIOC Pin Controls Upstream Regulator to Minimize Power Dissipation and Optimize PSRR n Minimum Output Cap.