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Maxim¹«Ë¾µÄMAX20499C/MAX20499DÊǸßЧÂÊͬ²½½µÑ¹×ª»»Æ÷,ÊäÈëµçѹ3.0Vµ½5.5V,Êä³öµçѹ´Ó0.5Vµ½1.275V.¿íÊäÈë/Êä³öµçѹ·¶Î§ºÍÄܹ»Ìṩ¸ß´ï16A·åÖµÊä³öµçÁ÷,ʹËü·Ç³£ÊʺÏÓÃÔÚ°åÉÏµã¸ºÔØºÍºóÎȶ¨µÄÓ¦ÓÃ.MAX20499C/MAX20499DÔÚÕû¸öζȷ¶Î§ÄÚÌṩ¡À1.5%Êä³öÎó²î¸ºÔØ.Æ÷¼þ¾ßÓÐ2.2MHz¹Ì¶¨ÆµÂÊPWMģʽ,¾ßÓиüºÃµÄÔëÒôÃâÒßÐԺ͸ºÔØË²Ì¬ÏìÓ¦.2.2MHzµÄ¹¤×÷ƵÂÊ¿ÉÒÔʹÓÃËùÓеÄÌմɵçÈݺÍ×îС»¯Íâ½ÓÔª¼þ.À©ÆµÆµÂʵ÷ÖÆ×îС»¯»¯µç´Å·øÉä.Æ÷¼þ¼¯³ÉµÄµÍRDS(ON)¿ª¹Ø¸ÄÉÆÁËÖØ¸ºÔØÊ±µÄЧÂÊ,¶øÇÒ²¼¾Ö±È·ÖÁ¢Æ÷¼þ½â¾ö·½°¸À´µÃ¼òµ¥.I2C½Ó¿ÚÖ§³Ö¶¯Ì¬µçѹµ÷ÕûºÍ¿É±àת»»ËÙÂÊ.ÆäËüÌØÐÔ°üÀ¨¿É±à³ÌÈíÆð¶¯,¹ýÁ÷ºÍ³¬Î±£»¤ºÍ¶Ì·±£»¤.¹¤×÷ζÈ-40C ¶¯+125C Grade 1Æû³µÎ¶ȷ¶Î§,²ÉÓÃ3.5mm x 4mm 17Òý½Å±ßº¸FC2QFN·â×°.Ö÷ÒªÓÃÔÚÆû³µÓéÀÖϵͳSoCºËµçÔ´.±¾ÎĽéÉÜÁËMAX20499C/MAX20499DÖ÷ÒªÓÅÊÆºÍÌØµã,¿òͼºÍÓ¦Óõç·,ÒÔ¼°ÆÀ¹À°åMAX20499C EVKÖ÷ÒªÓÅÊÆºÍÌØµã,µç·ͼ,²ÄÁÏÇåµ¥ºÍPCBÉè¼ÆÍ¼.

 

The MAX20499C/MAX20499D is a high-efficiency, synchronous step-down converter that operates with a 3.0V to 5.5V input voltage range and supplies a 0.5V to 1.275V output voltage range. The wide input/output voltage range and the ability to provide up to 16A peak output current make this device ideal for on-board point-of-load and post-regulation applications. The MAX20499C/MAX20499D achieves ¡À1.5% output error over load, line, and temperature ranges.

The MAX20499C/MAX20499D features a 2.2MHz fixed-frequency PWM mode for better noise immunity and load-transient response. The 2.2MHz frequency operation allows for the use of all ceramic capacitors and minimizes extern..

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