logo elektroda
logo elektroda
X
logo elektroda

Regulated power supply (darlington power) for LM317 10A 1.2..37V

kozak84 233681 121
ADVERTISEMENT
Treść została przetłumaczona polish » english Zobacz oryginalną wersję tematu
  • #121 20263680
    volfgang72
    Level 1  
    Hello
    whether the diode d22-20-04 in this power supply must be
  • ADVERTISEMENT
  • #122 20266310
    kotbury
    Gantry automation specialist
    It does not have to, but it is indicated - and not necessarily such but generally silicon rectifier for a minimum current of 20A and a voltage of 300V and above. It is a protection of the power supply electronics against reverse connection of the receiver being the source (e.g. a battery).
    See author's post # 45 for first paragraph layout.

Topic summary

The discussion revolves around the design and implementation of a regulated power supply using the LM317 voltage regulator, capable of delivering up to 10A with an output voltage range of 1.2V to 37V. Participants address various technical challenges, including heat dissipation, current regulation, and circuit stability under load. Suggestions include using additional power transistors (e.g., BD911, 2N3055) for increased current capacity, the necessity of substantial heat sinks, and the importance of proper circuit design to ensure voltage stability. Concerns about short-circuit protection and efficiency losses at high currents are also raised, with recommendations for using multiple transistors in parallel and optimizing resistor values for current limiting. The conversation highlights the need for careful component selection and circuit layout to achieve reliable performance.
Summary generated by the language model.
ADVERTISEMENT