低予算電子工作 3.3Vの作り方

635e53b96114c922fa5486b418895960?s=47 Fadis
May 09, 2015

低予算電子工作 3.3Vの作り方

ブレッドボードに簡単に安定した3.3Vを供給する方法を解説します

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Fadis

May 09, 2015
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  1. ௿༧ࢉిࢠ޻࡞ 7ͷ࡞Γํ Naomasa Matsubayashi

  2. ͍·Ͳ͖ͷϚΠίϯ 7ۦಈ

  3. סి஑ຊͰ࡞ͬͨ7Ͱಈ͘෺΋ଟ͍͚Ͳ

  4.      <7> סి஑ͷిѹ͸ঃʑʹԼ͕͍ͬͯ͘ ˞άϥϑ͸ΠϝʔδͰ͢ ࠷௿Ͱ΋7Λཁٻ͢ΔσόΠε͕ಈ͚Δ͔ᷮͳظؒ

  5. ҆ఆͨ͠7Λ࡞Ζ͏

  6. HOLTEK HT7733A 7Ҏ্ͷೖྗ͔Β ࠷େN"ͷ7Λ࡞Δ ঢѹ%$%$ίϯόʔλ

  7. HOLTEK HT7733A σδοτͰԁ http://eleshop.jp/shop/g/g7CJ311/

  8. HT7733A V) V' V' 7Ҏ্7ҎԼͷ ԿΒ͔ͷిѹ 7 (/% -9 7065

  9. ϒϨουϘʔυͰ૊ΈཱͯΑ͏

  10. ༻ҙ͢Δ΋ͷ ˞͜ͷࣸਅʹ͸ඞཁͳδϟϯύϫΠϠ͕ຊ͍ࣸͬͯͳ͍ ඞཁͳ෺͸࣍ͷεϥΠυΛ֬ೝ͠Α͏

  11. ༻ҙ͢Δ΋ͷ ϒϨουϘʔυ ి஑ϘοΫε୯Y ిղίϯσϯαV' ిղίϯσϯαV' γϣοτΩόϦΞμΠΦʔυ ίΠϧV' ԁ ԁ ݸͰԁ

    ݸͰԁ ԁ ݸͰԁ අ༻ͷΊ΍͢ ෦඼
  12. ిղίϯσϯαV' ిղίϯσϯαV' γϣοτΩόϦΞμΠΦʔυ ίΠϧV' ୯ܗסి஑ δϟϯύϫΠϠຊ ݸͰԁ ݸͰԁ ԁ ݸͰԁ

    ݸͰԁ ԁ ߹ܭ ηοτลΓԁ )5" ԁ ॳճʹඞཁͳඅ༻ԁ
  13. ಈ࡞֬ೝʹඞཁͳ΋ͷ

  14. ಈ࡞֬ೝʹඞཁͳ΋ͷ ॱํ޲ిѹ7Ҏ্ఆ֨N"ͷ-&% ఍߅Њ ݸͰԁ ݸͰԁ ߹ܭ ηοτลΓԁ අ༻ͷΊ΍͢ ෦඼ ॳճʹඞཁͳඅ༻ԁ

    ిࢠ෦඼͸·ͱΊͯങ͏ఔ͍҆ ͓༑ୡ͕طʹిࢠ޻࡞Λ͍ͯ͠ΔͳΒ ͜ΕΒͷ෦඼Λ͍࣋ͬͯͳ͍͔ฉ͍ͯΈΑ͏
  15. δϟϯύϫΠϠͷ͏ͪຊΛి஑ϘοΫεͷϫΠϠʹܨ͛Δ ൒ా͕ͯ͝ແ͍৔߹ηϩϋϯςʔϓͰר͍ͯͬ͘෇͚ͯ΋ྑ͍

  16. ి஑ͷ ଆΛGʹɺଆΛͷిݯϨʔϯͷϚε໨ʹ઀ଓ

  17. K͔ΒిݯϨʔϯͷͷϚε໨ʹV'ͷίϯσϯαΛ෇͚Δ ిղίϯσϯαͷ޲͖ʹ஫ҙ7ͷҹ͕͍ͭͨํΛଆʹ

  18. I͔ΒHʹV)ͷίΠϧΛ઀ଓ

  19. )5"ΛฏΒͳ໘͕ίΠϧͷํΛ޲͘Α͏ʹGGGʹ઀ଓ

  20. J͔Β ͷిݯϨʔϯͷϚε໨ʹμΠΦʔυΛ઀ଓ

  21. Hͱ ͷిݯϨʔϯͷϚε໨ΛδϟϯύϫΠϠͰ઀ଓ

  22. IͱͷిݯϨʔϯͷϚε໨ΛδϟϯύϫΠϠͰ઀ଓ

  23. ͷిݯϨʔϯͷϚε໨͔ΒͷిݯϨʔϯͷϚε໨ʹ V'ͷిղίϯσϯαΛ઀ଓ ޲͖ʹ஫ҙ

  24. ׬੒ GND 3.3V

  25. ಈ࡞֬ೝ

  26. סి஑ຊͷిѹ 7 Ͱ͸ޫΒͳ͍7ͷ-&% ஫ҙผʹ͜Μͳߴ͍-&%Ͱͳͯ͘΋ྑ͍

  27. ͷిݯϨʔϯʹЊͷ఍߅Λ઀ଓ

  28. ఍߅Λܨ͍ͩઌ͔ΒͷిݯϨʔϯʹ-&%Λ઀ଓ

  29. ޫͬͨ

  30. 7ͩ

  31. N"·ͰͱΕΔ ిࢠ޻࡞ͰΑ͘࢖͏ϚΠίϯఔ౓ͳΒ༨༟Ͱಈ͔ͤΔ

  32. HT7733Aͷ୅ΘΓʹ HT7750AΛ࢖͑͹ 5VΛ࡞ΕΔ

  33. ·ͱΊ HT7733Aͱز͔ͭͷ෦඼Λ૊Έ߹Θͤͯ ҆ఆͨ͠3.3VΛ࡞Δࣄ͕ग़དྷΔ