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5V 3A Switching Regulator TO-220 size LM323T Replacement
5V 3A Switching Regulator TO-220 size LM323T Replacement
5V 3A Switching Regulator TO-220 size LM323T Replacement
5V 3A Switching Regulator TO-220 size LM323T Replacement

5V 3A Switching Regulator TO-220 size LM323T Replacement

$ 4.19

Availability: 264 in stock
  • Condition: New
  • Modified Item: No
  • Country/Region of Manufacture: United States
  • Brand: EzSBC
  • Refund will be given as: Money back or replacement (buyer's choice)
  • Custom Bundle: No
  • MPN: Does Not Apply
  • Model: PSU5a
  • Type: Power supply
  • Item must be returned within: 30 Days
  • All returns accepted: Returns Accepted
  • Non-Domestic Product: No
  • Return shipping will be paid by: Buyer
  • Restocking Fee: No

    Description

    This is a 5V 3A switch-mode voltage regulator. It is a high-efficiency replacement for popular three-terminal LM323T linear regulators and it is pin-to-pin compatible with the common and now obsolete LM323T linear regulators. The mechanical design allows the PSU5 to fit anywhere where an LM323T was used. The maximum continuous output current is 3A and at room temperature the PSU5a does not need a heatsink to maintain this current indefinitely. The PSU5a must be soldered to a PCB to deliver 3A without overheating. In a breadboard the module can deliver 2.5A without overheating. All the required capacitors are included on the module, no external capacitors are required and additional input capacitors do no harm. The output voltage guaranteed to be within +/-1% as the load varies. The original LM323T had a rather loosely specified output voltage and it could vary by as much as 250mV without load and at room temperature. Many designs incorporated some circuitry to raise the output voltage to prevent under voltage resets of microprocessors. The PSU5a design is 5V +- 1%. The module has thermal shutdown and current limit protection. The absolute maximum input voltage is 20V.
    Drop-in replacement of the LM323T or equivalent linear voltage regulator.
    Guaranteed 3A output current.
    Identical input voltage range of 7.2V to 20V
    Suitable for use in Pinball machines and video game consoles
    High efficiency switching regulator design reduces power dissipation with superior voltage regulation compared to the LM323T.
    Thermal shutdown and current limit protection
    All components are mounted on one side of the PCB
    Highest component is the inductor at 5mm above the PCB.
    Available with or without pins.
    Gold plated pins and PCB to withstand harsh environments over the long term.
    Can drive inductive loads such as solenoids and DC motors.
    500kHz Switching Frequency
    Made in the USA
    The photographs show an LM323T next to the PSU5a module for a size comparison.
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