I made this circuit shown above. Seems very simple but it does not work. I get 0.5 volts on output and my LM7805 heats up a lot. Some info:
TIP2955 is made by ST, looking at the front of the transistor going from left to right:
PIN 1 - BASE
PIN 2 - COLLECTOR
PIN 3 - EMITTER
I am using 1000 uF 25 V instead of 3300uF 50V.
1 OHM 5 Watt Resistor
I did not have 0.33 uF ceramic capacitor so I connected two ceramic capacitors in parallel: 224K and 104K. From what I gather that will equal to 0.33uF.
I also did not use the 10uF capacitor at all since it is just a filter. I am using 19 Volt DC power supply to test the circuit.
I tested TIP 2955 using simple multimeter. Checking resistance:
PIN 1 to PIN 2 - 480 OHM
PIN 1 to PIN 3 - 480 OHM
Any other connection is infinite. If I remove the TIP 2955 from the circuit I get nice 5 Volts. What am I doing wrong ? Is there any way to test this one by one ?