Datasheet Analog Devices LT3093EDD#PBF — 数据表

LT3093
–20V, 200mA, Ultralow Noise, Ultrahigh
PSRR Negative Linear Regulator
FEATURES DESCRIPTION Ultralow RMS Noise: 0.8µVRMS (10Hz to 100kHz)
nn Ultralow Spot Noise: 2.2nV/√Hz at 10kHz
nn Ultrahigh PSRR: 73dB at 1MHz
nn Output Current: 200mA
nn Wide Input Voltage Range: –1.8V to –20V
nn Single Capacitor Improves Noise and PSRR
nn 100µA SET Pin Current: ±1% Initial Accuracy
nn Single Resistor Programs Output Voltage
nn Programmable Current Limit
nn Low Dropout Voltage: 190mV
nn Output Voltage Range: 0V to –19.5V
nn Programmable Power Good and Fast Start-Up
nn Bipolar Precision Enable/UVLO Pin
nn VIOC Pin Controls Upstream Regulator to Minimize
Power Dissipation and Optimize PSRR
nn Minimum Output Capacitor: 4.7µF Ceramic
nn 12-Lead MSOP and 3mm × 3mm DFN Packages The LT®3093 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. nn APPLICATIONS …