Thursday, February 19, 2015

Circuit Schematic 2.4V to 5V Step Up DC-DC Converter using LM2623

Eltronicschool. - Circuit Schematic 2.4V to 5V Step Up DC-DC Converter using LM2623 like in figure 1 below is  a step up DC to DC power converter able to convert 2.4V - 12V to 5Vdc.

Circuit Schematic




Component List 


Description

Circuit schematic like in figure 1 above is Circuit Schematic 2.4V to 5V Step Up DC-DC Converter using LM2623. This circuit has been designed around Texas Instrument’s LM2623 IC, The LM2623 is a high efficiency, general purpose step-up DC-DC switching regulator for battery powered and low input voltage systems. It accepts an input voltage between 2.4V to 12V volts and coverts it into 5V DC. Efficiencies up to 90% are achievable with the LM2623.

Features:

  1. Good Efficiency over a very wide load range 
  2. Very low output voltage ripple 
  3. 2.4V to 5V (Possible Input Supply up to 14V operating voltage) 
  4. 5V output voltage (Other output voltages possible by changing R3 and R4)

Application:

  1. Hand held instruments
  2. Cameras, PDA, Cellphones
  3. White LED driver

The Original Article : "2.4V to 5V Step Up DC-DC Converter"


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