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[ÇؿܽÅÁ¦Ç°] 36V, 2A(IOUT), 500kHz ½ºÅÜ´Ù¿î DC/DC ÄÁ¹öÅÍ LT 1912
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36V, 2A(IOUT), 500kHz ½ºÅÜ´Ù¿î DC/DC ÄÁ¹öÅÍLT 1912¸®´Ï¾î Å×Å©³î·ÎÁö°¡ 3§® ¡¿ 3§® DFN(¶Ç´Â MSOP-10E) ÆÐÅ°Áö ÇüÅÂÀÇ 2A, 36V, ½ºÅÜ´Ù¿î ½ºÀ§Äª ·¹±Ö·¹ÀÌÅÍ LT 1912¸¦ Ãâ½ÃÇß´Ù.ÀÌ Á¦Ç°Àº ÀÔ·Â Àü¾Ð ¹üÀ§°¡ 3.6V~36V·Î, ÀÚµ¿Â÷ ¾ÖÇø®ÄÉÀ̼ǿ¡¼­ ·Îµå ´ýÇÁ(load dump)³ª Äݵå Å©·©Å©(cold-crank) »óÅ¿¡ ÀÌ»óÀûÀÌ´Ù. ¶ÇÇÑ 3.2AÀÇ ³»ºÎ ½ºÀ§Ä¡¸¦ žÀç, 0.79VÀÇ ÀúÀü¾Ð¿¡¼­ ÃÖ´ë 2AÀÇ ¿¬¼Ó Ãâ·Â Àü·ù¸¦ Á¦°øÇÑ´Ù. ½ºÀ§Äª ÁÖÆļö´Â 200kHz~500kHz ¹üÀ§¿¡¼­ »ç¿ëÀÚ ÇÁ·Î±×·¡¹ÖÀÌ °¡´ÉÇØ È¿À²À» ÃÖÀûÈ­ÇÔ°ú µ¿½Ã¿¡ ¼ÒÇü ¿ÜºÎ ºÎÇ°À» ÇÔ²² »ç¿ëÇϵµ·Ï ÇÏ¿´´Ù. ÀÌ Á¦Ç°Àº °íÈ¿À² 3.2A, 0.25§Ù ½ºÀ§Ä¡¸¦ »ç¿ëÇϸç, Çʼö ºÎ½ºÆ® ´ÙÀÌ¿Àµå, ¿À½Ç·¹ÀÌÅÍ, ÄÁÆ®·Ñ ¹× ·ÎÁ÷ ȸ·Î¸¦ ¸ðµÎ ³»ÀåÇß´Ù. Ư¼ö ¼³°è ±â¼ú°ú »õ·Î¿î °íÀü¾Ð ÇÁ·Î¼¼½º¸¦ ÀÌ¿ëÇØ ³ÐÀº ÀÔ·Â Àü¾Ð ¹üÀ§¿¡¼­µµ °íÈ¿À²À» Á¦°øÇÒ ¼ö ÀÖÀ¸¸ç, Àü·ù ¸ðµå ÅäÆú·ÎÁö´Â ºü¸¥ °úµµ ÀÀ´ä(transient response) ¹× ¿ì¼öÇÑ ·çÇÁ ¾ÈÁ¤¼ºÀ» Á¦°øÇÑ´Ù. ±âŸ Ư¡À¸·Î´Â ¿ÜºÎ µ¿±âÈ­(250kHz~500kHz), ÆÄ¿ö±Â Ç÷¡±× ¹× ¼ÒÇÁÆ®½ºÅ¸Æ® ±â´ÉÀÌ ÀÖ´Ù. ¸®´Ï¾î Å×Å©³î·ÎÁöwww.linear.com

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