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The LTC4425 is a constant-current/constant-voltage linear charger designed to charge a 2-cell supercap stack from either a Li-Ion/Polymer battery, a USB...
LTC4425 on Analog.com
If increase PCB soldered to 5000mm2 and four-layers 2oz, the DFN package's thermal resistance will approximately how much °C/W?
Please take this with grain of salt. Best is still to run simulation as to how much reduction is achieved by doubling the copper area.Below is copper size change of ADP7118 LDO as seen in datasheet. Thermal…