Transformer Secondary Voltage Calculator
What will the secondary actualy deliver when it has a rectifier and a load connected? That’s the practical question that’s answered by the transformer secondary … Read More
JSCalc
Transformer Turns Ratio Calculator
Ever melt a transformer after it had been working perfectly for years? Chances are you got size right on the primary side but forgot about … Read More
Junction Temperature Calculator – Predict Tj, Tc and Margin
One of the questions you have when designing with power electronics is answered by this: How hot does my silicon actualy get? All those LEDs, … Read More
Heatsink Thermal Resistance Calculator – Size Sink by C/W
Thermal design is a bit of a guessing game, but reversing the thinking can make heatsink size more understandable. Usually engineer choose a prebuilt heatsink … Read More
Linear Regulator Efficiency Calculator – LDO Power Loss %
One basic way to drop voltage is with a linear regulator, which offers advantage of being simple, but at cost of inefficiency. How much is … Read More
Voltage Regulator Heat Dissipation Calculator – Tj and Watts
Linear regulators look straightforward. Feed them a big input voltage and they spit out a nice low output voltage. That happens until your design melts … Read More
Buck Converter Inductor Value Calculator (L, Ripple, Peak)
A step-down switching regulator‘s choice of components is highly dependent on the power inductor. It determine how much current can pass through (peak current) and … Read More
Boost Converter Duty Cycle Calculator – Step-Up D and Iin
The way a boost converter works is that it have an inductor which stores energy and releases that energy. In order for this to work, … Read More
Buck Converter Duty Cycle Calculator – D, Iin & On-Time
A buck converter is one type of step-down switching regulator. The buck converter duty cycle calculator makes it easy to solve a quick version of … Read More
Switching Supply Duty Cycle Calculator – Buck Boost Timing
Switch-mode power supplies are a timing puzzle, get it right, and your circuit succeeds. Get it wrong and it doesn’t work at all. One key … Read More