Understanding D.C. Power Supplies |
Common terms and phrases
A.C. input adjustable amperes average value biased capacitor C₁ cathode centre-tap circuit configuration circuit operation constant current limit current passes cycle of input D.C. component D.C. converter D.C. voltage D₂ decreases discharge duty cycle efficiency electronic error amplifier excessive current feedback filter capacitor forward bias frequency full-wave circuit full-wave rectifier half-wave rectifier heatsink increases inductor input voltage linear regulator load current load voltage maximum negative half cycle ohmmeter open circuit output capacitor output current output voltage output waveform peak value polarity power dissipated pulse-width modulator Q₂ R.M.S. value R₁ R₂ ratio rectifier circuit reduced reference voltage regulator circuit resistor reverse ripple voltage secondary voltage series regulator short circuit shown in Figure shunt switched-mode power supply switching regulator switching transistor transient transistor Q₁ Unregulated voltage divider voltage drop voltage regulator volts TP Vout Vsat zener diode ΚΩ