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 Capacitor: 10µF Ceramic n 12-Lead MSOP and 3mm × 3mm DFN Packages APPLICATIONS
n RF and Precision Power Supplies n Very Low Noise Instrumentation n High Speed/High Precision Data Converters n Medical APPLICATIONS
: Diagnostics and Imaging n Post-Regulator for Switching Supplies LT3094 –20V, 500mA, Ultralow Noise, Ultrahigh PSRR Negative Linear Regulator DESCRIPTION
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.
Analog Devices
