Analog Devices LT3046
The LT3046 is a high-performance, low-dropout linear regulator featuring Analog Devices, Inc. Designed as a precision current reference followed by a high-performance voltage buffer, the LT3046 can be easily paralleled to further reduce noise, increase output current, and spread heat on the PCB. The device supplies 200mA at a typical 300mV dropout voltage.| Part No. | LT3046 |
|---|---|
| Datasheet | LT3046 Download |
| Manufacturer |  Analog Devices |
| Description | Ultra-High PSRR Linear Regulator |
| Buy | Stock & Price |
FEATURES
● Ultra-Low RMS Noise: 0.8μVRMS (10Hz to 100kHz)● Ultra-Low Noise: 2.2nV/√Hz at 10kHz
● Ultra-Low 1/f Noise: 2.5μVP-P (0.1Hz to 10Hz)
● Ultra-High PSRR: 82dB at 1MHz
● Output Current: 200mA
● Wide Input-Voltage Range: 2.2V to 20V
● Single Capacitor Improves Noise and PSRR
● SET Pin Current: 100μA, ±0.5% Initial Accuracy
● Single Resistor Programs Output Voltage
● Programmable Current Limit
● Low Dropout Voltage: 300mV
● Output-Voltage Range: 0.2V to 19V
● Programmable Power Good
● Fast Start-Up Capability
● Precision Enable/UVLO
● Parallelable for Lower Noise and Higher Current
● Internal Current Limit with Foldback
● Minimum Output Capacitor: 4.7μF Ceramic
● Compact, Low-Profile, 12-Lead, 3mm × 3mm, DFN Package
APPLICATIONS
● RF Power Supplies: PLLs, VCOs, Mixers, LNAs, PAs● Very Low-Noise Instrumentation
● High-Speed/High-Precision Data Converters
● Post-Regulator for Switching Supplies
GENERAL DESCRIPTION
ultra-low noise and ultra-high PSRR architecture for powering noisesensitive applications.
