300 kHz operation 1 !" # % !$ &' ( " ) * % * *$ " 2 2.1 T_InternalD elay ~ 50ns 2 1 T_FE ToffD elay Theoretical C oil current A ctual C oil current + % , "- $ $ +.&/01.&/ " % - 2+ , * .4 /& '.156 -" ,3 " * , * % .4 ' -$ 3 $ * " 2.2 * 2/& /& 2 7 " / &1( % • (49 3 2 .8 : % 5 * $ 45 88 /& " 3901111080332 Rev 002 Page 1 of 6 10-Sep-08 300 kHz operation • + * 45 8 9 18 4; < * , * % 3 8 8"-" T_InternalDelay ~ 50ns T_FEToffDelay 1 2 Voltage on DRVOUT pin Voltage on RSENSE pin 4 9 18 4; % < 2.3 % ? + : ,1 2 2 &' =1 7 -0 > 2 : 2+ ' @ 2/& /& • ' * 2/& & A / • 2 + 3901111080332 Rev 002 . " . / * /& " % Page 2 of 6 . " % + " 10-Sep-08 300 kHz operation 3 !" #$% 3.1 ? * , @0= " B-7 % 1 1 D1 = = = * * * CD*# *# D*# 3901111080332 Rev 002 Page 3 of 6 10-Sep-08 300 kHz operation 3.2 &"" #$% # * ! * " % " * % * * * 8E C8 CF ! " # $ % # &'% ( 3901111080332 Rev 002 F D8 DD 8 *# &'%!( Page 4 of 6 7 C8 C CD CF C CE 8 F *# &'% ( 10-Sep-08 300 kHz operation # A * % 4 * % % 9 . % ,.F-" % % % .4&;4& = " $ ! * * * &' 8 )* . " .D" +% * : =G.D0,.D@. - ) 1 H0 .F * * * " + * ) + &' * * • • . : CFI .D : 8 Ω 3901111080332 Rev 002 = .D0,.D@. - $ ! % " * @0= B7 " . Page 5 of 6 " 10-Sep-08 = 300 kHz operation ' 4 700 2/ ) "* ) " 24 * *0# 0# * 2 CDD" ) * * / ' 7 % 2 &'2 % * 2. , ) * 2 - " * * * % ! * ? 8 " ; % % " 5( ! * * " * 3901111080332 Rev 002 " / * * * /& " Page 6 of 6 10-Sep-08