This isolated power supply is powered with a USB-C cable. It spits out 3.3V, 2.5CV, 1.8V, and 1.2V – all simultaneously with 200mA of current capacity. Load regulation is very tight (12millivolts between zero and full-load) and output voltage noise is kept under 20 microvolts. Each unit undergoes a full QC load-test prior to shipment – each unit ships with a printout of testing results.
Additional features:
Screw terminals in parallel with male-pin headers
The isolated 5V rail output also has connectors populated in case you need access to slightly more juice – keep in mind that this output is unregulated and noisier than the other rails.
You can tie GND-out to GND-in with the provided shunt jumper
The system schematic is released under the MIT license in case you want to adopt part of this circuit in your own designs.
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