Öйú°ëµ¼ÌåÕÕÃ÷ÍøÊ×Ò³ > ×ÊѶÖÐÐÄ > ²úÆ·×ÊѶ > ÕýÎÄ | |
ÑÐŵÍƳöAAT3104ºÍAAT3195Á½¿îÐÂÐÍLEDÇý¶¯Æ÷ | |
ʱ¼ä:2008-11-28 16:07:32 À´Ô´:ͶӰʱ´ú ×÷Õß: ä¯ÀÀ | |
¡¾×ÖÌ壺´ó ÖРС ¼ò ·±¡¿¡¾Êղء¿¡¾¹Ø±Õ¡¿ | |
¡¡¡¡ÃÀ¹ú¼ÓÖÝÊ¥¿ËÀÀ£¬2008Äê11Ô¡ªµçÔ´¹ÜÀí¼¯³Éµç·¿ª·¢ÉÌÑÐŵÂß¼¿Æ¼¼ÓÐÏÞ¹«Ë¾(AnalogicTech™£¬ÄÉ˹´ï¿Ë¹ÉƱÊг¡´úÂ룺AATI£©£¬11ÔÂ28ÈÕÐû²¼ÍƳöAAT3104 ºÍAAT3195Á½¿îÐÂÐÍ4ͨµÀ¡¢µçºÉ±ÃLEDÇý¶¯Æ÷£¬ËüÃÇÔÚ¼ò»¯¹¦ÄܵÄÊÖ»úºÍ±ãЯϵͳÖÐÓÃÓÚ¸ü´óÆÁÄ»LCDÏÔʾÆ÷¡£²ÉÓýô´ÕµÄ2 x 2.1mm·â×°·½Ê½£¬ÕâЩÆ÷¼þÔÚÒ»¸ö½ÚÊ¡¿Õ¼äµÄÕ¼°åÄÚΪÉè¼ÆÕßÌṩ16²½½ø¡¢32²½½ø»òÂö¿íµ÷ÖÆ(PWM)µçÁ÷¿ØÖÆ¡£Ó뾺Õù¶ÔÊֵĽâ¾ö·½°¸Ïà±È£¬AAT3104 ºÍ AAT3195Çý¶¯Æ÷²ÉÓÃ1±¶ ºÍ2±¶Ä£Ê½µÄ¸ßЧµçºÉ±Ã£¬¼õÉÙÍⲿ×é¼þÊýÁ¿´ï25%¡£ÎªÁËÔÚÏàÁÚµÄLEDÖ®¼äÌṩͳһµÄÁÁ¶ÈºÍÍêÃÀÆ¥Å䣬AAT3104 ÌṩÓÃÓÚ¹²Ñô¼«½á¹¹µÄͨÓÃÐ͵çÁ÷ÎüÈëÆ÷£¬¶øAAT3195Ö§³ÖÓÃÓÚ¹²Òõ¼«½á¹¹µÄ¹²Ô´¡£ ¡¡¡¡¹¤³ÌʦΪÈëÃż¶ÊÖ»ú»òÆäËü±ãЯϵͳÌí¼ÓÐµĹ¦ÄÜʱ£¬Í¨³£ÔÚÆäÉè¼ÆÖм¯³É¸ü´óµÄÏÔʾ£¬¡±ÑÐŵ²úÆ·Ïß×ܼàPhil Dewsbury˵µÀ¡£¡°Í¨¹ýΪÕýÏòƫѹLEDÌṩËùÐèµÄºãÁ÷ÖÆÊä³öµçѹ£¬ÒÔ¼°¿ØÖÆ¡¢ÉèÖôøÓÐ4¸öLEDµÄ¹²Ñô¼«ºÍ¹²Òõ¼«½á¹¹ËùÐèµçÁ÷µÄ·½Ê½£¬ÑÐŵ·á¸»µÄLEDÇý¶¯Æ÷²úƷϵÁÐÐÂÔöµÄÕâÁ½¿îоƬ£¬ÔÚ½ÚÊ¡¿Õ¼äµÄ·â×°ÄÚ£¬Îª±ãЯϵͳÉè¼Æʦ¸Ä½øÉè¼ÆÁé»îÐÔ£¬Ìṩ½Ï¸ßµÄ¹¦ÂÊЧÂÊ£¬¼õÉÙÔªÆ÷¼þÊýÁ¿ÒÔ¼°Ôö¼ÓµçÁ÷¿ØÖÆÑ¡Ôñ¡£¡± ¡¡¡¡¶à½Ó¿ÚÑ¡Ôñ ¡¡¡¡AAT3104ÊÇÒ»¿îµçÁ÷Ô´LEDÇý¶¯Æ÷£¬Äܹ»Îª4¸öLEDÿ¸öÌṩ×î¸ß´ï30mAµçÁ÷¡£»ùÓÚµçºÉ±ÃÆ÷¼þ¿É×Ô¶¯ÔÚ1±¶ºÍ 2±¶Ä£Ê½¼äת»»£¬ÒÔ½«Ð§ÂÊ×î´ó»¯£¬²¢ÓÅ»¯LEDµçÁ÷¾«È·¶ÈºÍÆ¥Åä¶È¡£LEDÊä³öµçÁ÷¾«È·¶ÈΪ+/- 10%¡£LEDÊä³öµçÁ÷Æ¥Åä¶ÈΪ+/- 3%¡£ ¡¡¡¡AAT3104ÔËÐеĿª¹ØƵÂÊΪ1 MHz £¬Í¨¹ýÑÐŵרÀûµ¥ÏßʽS2Cwire½Ó¿Ú£¬¿ÉÌṩ16²½½ø(AAT3104-1)»ò32²½½ø(AAT3104-2)LEDÁÁ¶È¿ØÖƵÄÁ½¸ö°æ±¾¡£AAT3105µÄPWM°æ±¾¼´½«¹©»õ¡£ ¡¡¡¡¶ÔÓÚ²ÉÓù²Òõ¼«½á¹¹µÄLED£¬AAT3195Ìṩһ¸ö»ùÓÚµçºÉ±ÃµÄµçÁ÷Ô´LEDÇý¶¯Æ÷£¬ÓÃÓÚ4ͨµÀÓ¦Óá£ÓëAAT3104ÀàËÆ£¬AAT3195¿É×î¶àΪ4¸öLEDÿ¸öÌṩ×î¸ß´ï30mAµçÁ÷¡£AAT3195Ò²¿É×Ô¶¯ÔÚ1±¶ºÍ2±¶Ä£Ê½¼äÇл»£¬ÒÔ±£Ö¤×î¸ßЧÂÊ¡¢µçÁ÷¾«È·¶ÈºÍÆ¥Åä¶È¡£LEDÊä³öµçÁ÷¾«È·¶ÈΪ+/- 10%£¬LEDÊä³öµçÁ÷Æ¥Åä¶ÈΪ+/- 3%¡£ ¡¡¡¡AAT3195ÔËÐеĿª¹ØƵÂÊΪ1 MHz£¬Í¨¹ý²»Í¬µÄ½Ó¿ÚÌṩÈý¸ö°æ±¾¡£AAT3195-1ͨ¹ýS2Cwire½Ó¿Ú£¬¿ÉÌṩ32²½½øµ÷½ÚµÄ30mAµçÁ÷£»AAT3195-2²ÉÓÃS2Cwire½Ó¿Ú£¬Ö§³Ö32²½½øµÄ20mAµçÁ÷¡£AAT3195-3´øÓÐPWM½Ó¿Ú¡£ ¡¡¡¡ÕâÁ½¿îÇý¶¯Æ÷¶¼´øÓÐ×Ô¶¯ÈíÆô¶¯£¬Ê¡µçµÄµÍµçÁ÷¹Ø¶Ïģʽ²¢ÄÚÖÃζȱ£»¤¹¦ÄÜ¡£ ¡¡¡¡¼Û¸ñÓ빩»õ ¡¡¡¡AAT3104ºÍAAT3195µÄ¶î¶¨¹¤×÷ζȷ¶Î§ÊÇ-40º Cµ½+85º C¡£¶¼²ÉÓÃ2 x 2.1mm, 10-Òý½Å SC70JW·â×°¡£AAT3104ÔÚ¶©»õÁ¿Îª1000ƬʱÿƬµ¥¼ÛΪ0.87ÃÀÔª£¬AAT3195ÔÚ¶©»õÁ¿Îª1000ƬʱÿƬµ¥¼ÛΪ0.87ÃÀÔª¡£ | |
|
‹ |