Tuesday, September 6, 2016

Low Dropout Adjustable Breadboard Power Supply Circuit based on MIC2941 IC

Electronic Kit School. - One again IC that categorize as low dropout adjustable voltage regulator is MIC2940/2941 from Micrel. This IC will give you high output voltage accuracy, output programmable from 1.24V to 26V with 1.25 A output, current and thermal limiting, and logic-controlled electronic shutdown. 

There are many application can be presented using MIC2941 IC like battery powered equipment, cellular telephone, computer, laptop, etc. And in here we also can build adjustable breadboard power supply with low dropout voltage output circuit.

In this article we will give you one electronic circuit of Low Dropout Adjustable Breadboard Power Supply Circuit based on MIC2941 IC like in Figure 1 below. The main component is used in this circuit is MIC2941 IC. 

Circuit 

Figure 1. Low Dropout Adjustable Breadboard Power Supply Circuit based on MIC2941 IC

Component Parts

  1. MIC2941 IC
  2. Resistors
  3. LEDs
  4. Capacitors
  5. Switchs
  6. Potentiometer
Description

Circuit like in Figure 1 above show you about the Low Dropout Adjustable Breadboard Power Supply Circuit based on MIC2941 IC that give you one reference circuit to build by yourself of low dropout adjustable breadboard power supply now.

From Electroschematics site that the A good power supply is essential to electronic projects. While there are many existing designs for adjustable power supplies, this one makes improvements that make it more useful for hobby designs.

Low dropout, only 40mV – 400mV compared to 1.25V – 2.0V for LM317. This means you can use a wider range of output voltages including generating 3.3V from as low as 3.7V (such as 3 AA’s or a lithium ion battery).

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