DC2246A - LT3042EDD Demo Board | Ultralow Noise, Ultrahigh PSRR RF LDO Regulator, VIN = 3.8V to 20V, Vout = 3.3V @ 200mA

DC2246A is a linear regulator featuring the LT®3042EDD, which is a 200mA, ultralow noise, and ultrahigh power supply rejection ratio (PSRR) RF low dropout (LDO) linear regulator with programmable current limit.

DC2246A operates over an input range of 3.8V to 20V. The LT3042 has a maximum output current of 200mA. It features ultralow noise (0.8μVrms from 10Hz to 100kHz) and very high PSRR (79dB at 1MHz). The power good feedback (PGFB) pin voltage is programmable for power good threshold. A current limit function is provided. Current monitoring is also achievable by sensing the voltage of ILIM.

Software

LTspice

LTspice^® software is a powerful, fast and free simulation tool, schematic capture and waveform viewer with enhancements and models for improving the simulation of switching regulators. Click here to download LTspice

To launch a ready to run LTspice demonstration circuit for this part:

Step 1: If you have not installed LTspice on this computer, download and install LTspice
Step 2: Once LTspice is installed, click on the link(s) below to launch the simulation
- LT3042 Demo Circuit - Low Noise, High PSRR RF Linear Regulator (3.8-20V to 3.3V @ 200mA)
Step 3: If LTspice does not automatically open after clicking the link above, you can instead run the simulation by right clicking on the link and selecting "Save Target As." After saving the file to your computer, start LTspice and open the demonstration circuit by selecting 'Open' from the 'File' menu

To explore other ready to run LTspice demonstration circuits, please visit our Demo Circuits Collection.