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TI¹«Ë¾µÄTPS7H4002-SPÊÇ¿¹·øÉä¼Ó¹ÌµÄ5.5V 3Aͬ²½½µÑ¹×ª»»Æ÷,ͨ¹ý¸ßЧºÍ¼¯³ÉÁ˸߱ߺ͵ͱßMOSFET¾ßÓÐ×î¼ÑµÄСÐÍ»¯Éè¼Æ.ͨ¹ýµçÁ÷ģʽ¿ØÖÆ,½µµÍÁËÔª¼þÊýÁ¿½øÒ»²½½ÚÊ¡Á˿ռä,¶ø¸ß¿ª¹ØÆµÂÊÓÖ½µµÍÁ˵ç¸ÐµÄÕ¼Î»Ãæ»ý.¿¹·øÉä¼Ó¹Ì¸ß´ïTID 100 krad(Si),SEL, SEBºÍSEGR ÃâÒßµ½LET = 75 MeV-cm2/mg,SET ºÍSEFI ÌØÕ÷»¯¸ß´ïLET = 75 MeV-cm2/mg,·åֵЧÂÊΪ96.9% (VO = 2.5 V),¼¯³ÉÁË50-m¦¸ºÍ35-m¦¸ MOSFET,×î´óÊä³öµçÁ÷3A.Æ÷¼þ¾ßÓÐÁé»îµÄ¿ª¹ØÆµÂÊÑ¡Ôñ:100-kHzµ½1-MHz¿Éµ÷ÄÚ²¿Õñµ´Æ÷,Íâ½Óͬ²½ÄÜÁ¦Îª100 kHz µ½1 MHz,0.807-V ¡À1.5%µçѹ»ù×¼,ÄܶÔζÈ,·øÉä,Ïß·ºÍ¸ºÔؽøÐе÷Õû.Ö÷ÒªÓÃÔÚ¿Õ¼äµã¸ºÔصçÔ´ÈçFPGA,MCU,Êý¾Ýת»»Æ÷ºÍASIC,ͨÐÅÓÐÐ§ÔØºÉºÍ¹âѧͼÏñÓÐÐ§ÔØºÉ.±¾ÎĽéÉÜÁËTPS7H4002-SPÖ÷ÒªÌØÐÔ,Ïêϸ¹¦ÄÜ¿òͼ, µäÐÍÓ¦Óõç·ͼ,ÆÀ¹ÀÄ£¿éTPS7H4002EVM-CVALÖ÷ÒªÌØÐÔºÍĬÈÏÅäÖñí,µç·ͼ,²ÄÁÏÇåµ¥ºÍPCBÉè¼ÆÍ¼.
The TPS7H4002-SP is a radiation hardened, 5.5-V, 3-A synchronous step-down converter, which isoptimized for small designs through high efficiencyand by integrating the high-side and low-sideMOSFETs. Further space savings are achievedthrough current mode control, which reducescomponent count, and a high switching frequency,
which reduces the inductor footprint.
The output voltage startup ramp is controlled by theSS/TR pin which allows operation as either a standalone power supply or in tracking situations. Powersequencing is also possible by correctly configuringthe enable and the open drain power good pins. Inaddition, the TPS7H4002-SP can be configured inpri..
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