Nov 19, 2008 #1 B btbass Advanced Member level 5 Joined Jul 20, 2001 Messages 1,896 Helped 438 Reputation 880 Reaction score 288 Trophy points 1,363 Location Oberon Activity points 12,887 I have a sot89 package device with the markings '501C' on it. Can anybody tell me what type of device this is.
I have a sot89 package device with the markings '501C' on it. Can anybody tell me what type of device this is.
Nov 27, 2008 #2 S sabeti_1990 Full Member level 4 Joined Nov 16, 2007 Messages 195 Helped 23 Reputation 46 Reaction score 12 Trophy points 1,298 Activity points 2,218 hi check these out . it maybe true **broken link removed** http://www.ricoh.com/LSI/product_power/dc_up/r1210n/r1210nxx1-e.pdf http://www.candlepowerforums.com/vb/showthread.php?t=141874&page=1&pp=30 http://www.ricoh.com/LSI/product_power/dc_up/rn5ry/rn5ry1-e.pdf http://www.ricoh.com/LSI/product_power/info/discon.html starsze PDFy: http://www.aeneas.com.cn/PDF/Ricoh/new/LINE UP.pdf http://www.aeneas.com.cn/PDF/Ricoh/RH5RH.pdf
hi check these out . it maybe true **broken link removed** http://www.ricoh.com/LSI/product_power/dc_up/r1210n/r1210nxx1-e.pdf http://www.candlepowerforums.com/vb/showthread.php?t=141874&page=1&pp=30 http://www.ricoh.com/LSI/product_power/dc_up/rn5ry/rn5ry1-e.pdf http://www.ricoh.com/LSI/product_power/info/discon.html starsze PDFy: http://www.aeneas.com.cn/PDF/Ricoh/new/LINE UP.pdf http://www.aeneas.com.cn/PDF/Ricoh/RH5RH.pdf
Nov 27, 2008 #3 B btbass Advanced Member level 5 Joined Jul 20, 2001 Messages 1,896 Helped 438 Reputation 880 Reaction score 288 Trophy points 1,363 Location Oberon Activity points 12,887 Yes, you are correct. I think it is a Ricoh pwm voltage boost converter ic. Thanks for the help.