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[Ô­´´]Infineon TLD5542-1 HÇÅDC/DC¿ØÖÆÆ÷½â¾ö·½°¸

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Infineon¹«Ë¾µÄTLD5542-1ÊÇÄÚÖÃÁ˱£»¤ÌØÐÔºÍSPI½Ó¿ÚµÄͬ²½MOSFET HÇÅDC/DC¿ØÖÆÆ÷.ÕâÖÖ¸ÅÄîÓÐÖúÇý¶¯´ó¹¦ÂÊLED,¾ßÓÐ×î´óµÄϵͳЧÂʺÍ×îµÍÊýÁ¿µÄÍâ½ÓÔª¼þ.Æ÷¼þÌṩģÄâºÍÊý×Ö(PWM)Á½ÖÖµ÷¹â.¿ª¹ØÆµÂÊÔÚ200kHzºÍ700kHz¼ä¿Éµ÷Õû,²¢ÄܺÍÍⲿʱÖÓԴͬ²½.ÄÚÖõĿɱàÀ©Æµ¿ª¹ØÆµÂʵ÷ÖÆºÍÇ¿ÆÈÁ¬ÐøµçÁ÷µ÷Õûģʽ¸ÄÉÆÁËÕû¸öEMCÐÔÄÜ.´ËÍâ,ÓÐÉÙÊýÍâ½Ó²¹³¥Ôª¼þËùά³ÖµÄµçÁ÷ģʽÎȶ¨·½°¸ÌṩÎȶ¨µÄµ÷Õû»ØÂ·.¿Éµ÷ÈíÆð¶¯ÌØÐÔÏÞÖÆµçÁ÷·åÖµºÍÆð¶¯Ê±µçѹ¹ý³åÖµ.LEDµçÁ÷¾«¶È+/-3%.ÿÖÖÌõ¼þÏÂЧÂʸߴï96%.¾ßÓÐÆû³µAECÖÊÁ¿ÈÏÖ¤.²ÉÓÃСÐÍÈÈÔöÇ¿µÄPG-VQFN-48 »òPG-TQFP-48·â×°.Ö÷ÒªÓÃÔÚ»·¾³¿Á¿ÌµÄÆû³µµç×Ó.±¾ÎĽéÉÜÁËTLD5542-1Ö÷ÒªÌØÐԺͿòͼ,²úÆ·ÐÔÄܺ͵çÁ÷ÎÈÁ÷Æ÷Ó¦Óõç·,ÎÈѹÆ÷Ó¦Óõç·,õËÐÐģʽ״̬µç·ͼ,¸ÄÉÆEMCÐÔÄÜÓ¦Óõç·ͼÒÔ¼°3¹¦ÄÜLEDÇý¶¯Æ÷Ä£¿éÓõç·ͼ,ÒÔ¼°ÆÁÕϰåTLD5542-1CHG_SHIELDÖ÷ÒªÌØÐÔ,µç·ͼ,²ÄÁÏÇåµ¥ºÍPCB×°Åäͼ.

                                                     

The TLD5542-1 is a synchronous MOSFET H-Bridge DC/DC controller with built in protection features and SPIinterface. This concept is beneficial for driving high power LEDs with maximum system efficiency andminimum number of external components. The TLD5542-1 offers both analog and digital (PWM) dimming.Theswitching frequency

is adjustable in the range of 200 kHz to 700 kHz. It can be synchronized to ..

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