LM317T Voltage Regulator with Pass Transistor

An explanation of how the circuit works for the dummy load and some tweaks to increase the constant current. --------------------- Click "Show more" ------------------------------- My website and forum:- www.mjlorton.com Donations and contributions www.mjlorton.com My techie channel MJLorton - Solar Power and Electronic Measurement Equipment - http My Techie Amazon Store: astore.amazon.com My other channel VBlogMag - For almost any topic under the sun! - www.youtube.com My VBlogMag Amazon Store: astore.amazon.com ----------------------------------------------------------------------- Link to Kibi's "Dave Jones' dummy load with added features" : mjlorton.com Dave Jones / EEVblog video: www.youtube.com WHAT IS AN OP-AMP?: talkingelectronics.com My components: * Infineon MOSFET N-channel 200V 13.5A TO-220 - BUZ31L H * Vishay 534 Series Pot with 6.34mm shaft, 50K * 2 x 10 k Ohm resistors * Arcol HS50 Al house wirewound high power resistor,1R (1 ohm) 50W - HS50 1R J * National Semiconductor Quad op amp,LM324N 1MHz DIP14 * How does an N Channel logic level MOSFET work - gate voltage, variable resistance, heat dissipation. * How does a LM324N Op Amp work - voltage follower, comparator, rail to rail, head room, feedback loop.



http://www.youtube.com/watch?v=hgrvJ2b2xfg&hl=en