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2.4V to 5V step up DC-DC convertet

4 years ago 1929
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Description

This project is a step up DC to DC power converter able to convert 2.4V – 12V to 5Vdc. Description This project has been designed around Texas Instruments 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: Good Efficiency over a very wide load range Very low output voltage ripple 2.4V to 5V (Possible Input Supply up to 14V operating voltage) 5V output voltage (Other output voltages possible by changing R3 and R4) Application: Hand held instruments Cameras, PDA, Cellphones White LED driver From:http://www.electronics-lab.com/project/2-4v-to-5v-step-up-dc-dc-converter/

Documents

2.4V TO 5V STEP UP DC-DC CONVERTER

2.4V TO 5V STEP UP DC-DC CONVERTER PCB

BOM

ID Name Designator Footprint Quantity Mounted
1 LM2623/SO U1 MSOP-8 1 Yes
2 0E R2 R0805 1 Yes
3 150K R1 0805R 1 Yes
4 4.7uH L1 DO3316P 1 Yes
5 IN5822 D1 DO214 1 Yes
6 4.7uF C2,C5 0805R 2 Yes
7 33P C3 0805R 1 Yes
8 330K R3 0805R 1 Yes
9 100K R4 R0805 1 Yes
10 100uF/16V C1,C4 1812C 2 Yes
11 5 BTY HEADER2 1 Yes
12 OUTPUT CN1 HEADER2 1 Yes

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