SL6206
Low-noise 300mA LDO with high PSRR and low quiescent current for sensitive analog and RF circuits
Product Overview
Description
SL6206 is a low-noise low-dropout (LDO) voltage regulator designed for powering sensitive analog and RF circuits.
With 300mA output current, high PSRR, and low output noise, this LDO provides clean power for precision applications.
The low quiescent current of 50μA makes it suitable for battery-powered applications.
Product Series
SL
Primary Application
RF circuit power supplies
Key Features
- Low-noise output for sensitive circuits
- High PSRR of 70dB at 1kHz
- Low dropout voltage of 200mV at 300mA
- Low quiescent current of 50μA
- Current limit and thermal protection
- Small SOT-23-5 package
Specifications
| Input Voltage | 2.5V to 5.5V |
|---|---|
| Output Voltage | 1.2V to 3.3V (fixed) |
| Output Current | 300mA |
| Dropout Voltage | 200mV @ 300mA |
| PSRR | 70dB @ 1kHz |
| Output Noise | 30μVrms |
| Quiescent Current | 50μA |
| Package | SOT-23-5 |
Applications
RF circuit power supplies
Electronic system design
ADC/DAC reference voltage
Data acquisition and conversion
Sensor power supplies
Sensor signal conditioning
Audio circuit power
Electronic system design
Battery-powered devices
Battery and charging management
FAE Expert Insights
"SL6206 provides excellent noise performance for sensitive analog circuits. The 70dB PSRR effectively rejects switching noise from upstream DC-DC converters. I've used this part in RF transceiver designs where clean power is critical. The 300mA current capability is sufficient for most analog subsystems. For best noise performance, add a small ceramic capacitor (0.01μF) on the bypass pin."
Low-noise LDO ideal for RF and analog circuits
— Sarah Liu, BeiLuo