Datasheet Analog Devices LT3094IMSE#TRPBF — 数据表

LT3094
–20V, 500mA, Ultralow
Noise, Ultrahigh PSRR
Negative Linear Regulator
DESCRIPTION FEATURES
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 Pi 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
n APPLICATIONS
RF and Precision Power Supplies …

LT3094
–20V, 500mA, Ultralow
Noise, Ultrahigh PSRR
Negative Linear Regulator
DESCRIPTION FEATURES
Ultralow RMS Noise: 0.8µVRMS (10Hz to 100kHz)
nn Ultralow Spot Noise: 2.2nV/√Hz at 10kHz
nn Ultrahigh PSRR: 74dB at 1MHz
nn Output Current: 500mA
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: 235mV
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: 10µF Ceramic
nn 12-Lead MSOP and 3mm × 3mm DFN Packages
nn APPLICATIONS …