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| ! ! " # !$%&'( )* * *$ +! " # ! , - ! . / / * $ 0 1(% * 2 / 13 041561 ! 0 . * 78("9 0 : / // + 7: 0 /- ! . . 0 / ( . # ( 0' *. 0 / * $;(( %* * + - * +* 77($ &* 0 &0* 0 * / 0 7! 0 . . # * / 2* /- $?@ ** / # * * * * 0 // * / * / * //* <(% / 0 : 2 7! * - 0/ 2* /- /- * 0 * * /- * 0 0 / /- * 7! .* 0 * * * & * * * //* / * 0- 5 a / / * 0 * *. . @ 87:9 7! * * 0 a 0* 0 * / * . 0 * / 0 ** / * . . * 0 /. 0* *. 0 *$;(( refin 1 ton 2 refout 3 vcca 4 fb 5 pgd 6 vssa 7 pgnd 8 dl 9 vddp 10 ilim 11 lx 12 dh 13 bst 14 u1 sc1480a q1 q2 c7 1u c6 1n r7 10r r4 10r r3 r2 rton r1 10k0 r6 10k0 vtt vddq vbat 5vsus pgood c3 1u refout c5 1u r5 rlim d1 c1 0u1 5vrun c2 10u vbat l1 + c4 vtt c8 0u1 ? :7 ! ! @2 0 8:9 < ! n o i t a n i b m o c n i pl o b m y sm u m i x a ms t i n u a s s v o t n o t 0 . 5 2 + o t 3 . 0 -v d n g p o t t s b , h d 0 . 0 3 + o t 3 . 0 -v d n g p o t x l 0 . 5 2 + o t 0 . 2 -v d n g p o t a s s v 3 . 0 + o t 3 . 0 -v x l o t t s b 0 . 6 + o t 3 . 0 -v d n g p o t p d d v , m i l i , l d 0 . 6 + o t 3 . 0 -v a s s v o t a c c v , t u o f e r , n i f e r , d g p , b f 0 . 6 + o t 3 . 0 -v t u o f e r , n i f e r , d g p , b f o t a c c v 0 . 6 + o t 3 . 0 -v t n e i b m a o t n o i t c n u j , e c n a t s i s e r l a m r e h t ) 4 ( a j 0 0 1w / c e g n a r e r u t a r e p m e t n o i t c n u j g n i t a r e p ot j 5 2 1 + o t 0 4 -c e g n a r e r u t a r e p m e t e g a r o t st g t s 0 5 1 + o t 5 6 -c . c e s 0 1 ) g n i r e d l o s ( e r u t a r e p m e t d a e lt d a e l 0 0 3c test conditions: v bat = 2.5v, refin = 1.25, vcca = vddp = 5.0v, v out = 1.25v, r ton = 1m ? r e t e m a r a ps n o i t i d n o cc 5 2c 5 2 1 o t c 0 4 -s t i n u n i mp y tx a mn i mx a m s e i l p p u s t u p n i e g a t l o v t u p n i a c c v 0 . 55 . 45 . 5v e g a t l o v t u p n i p d d v 0 . 55 . 45 . 5v e g a t l o v t u p n i t a b v 5 2v t n e r r u c g n i t a r e p o p d d vi , t n i o p n o i t a l u g e r > b f d a o l a 0 =5 70 6 1a t n e r r u c g n i t a r e p o a c c vi , t n i o p n o i t a l u g e r > b f d a o l a 0 =0 0 70 0 1 1a t n e r r u c y b d n a t s a c c vd l o h s e r h t v u p d d v < p d d v t u o f e r n o d a o l o n 5 2 1a t n e r r u c g n i t a r e p o n o tr n o t m 1 = ? v , t a b v 5 2 =4 2a t n e r r u c s a i b n i f e rv 5 2 . 1 = n i f e r 1a t n e r r u c n w o d t u h sn i f e r01a ) v 0 = n i f e r (a c c v50 1a p d d v50 1a v , n o t t a b v 5 2 =01a exceeding the specifications below may result in permanent damage to the device, or device malfunction. operation outside of th e parameters specified in the electrical characteristics section is not implied. exposure to absolute maximum rated conditions for extended periods of time may affect device reliability. : ? :7 ! ! < ! ! r e t e m a r a ps n o i t i d n o cc 5 2c 5 2 1 o t c 0 4 -s t i n u n i mp y tx a mn i mx a m r e l l o r t n o c d l o h s e r h t r o t a r a p m o c r o r r e ) d l o h s e r h t n o - n r u t b f ( ) 1 ( v 5 . 5 o t v 5 . 4 = a c c vt u o f e rt u o f e r 0 1 - t u o f e r 0 1 + v m e m i t - n or n o t m 1 = ? 0 6 6 11 1 4 19 0 9 1s n r n o t k 0 0 5 = ? 3 1 96 7 70 5 0 1s n e m i t f f o m u m i n i m 0 0 40 5 5s n e c n a t s i s e r t u p n i b f 0 0 5k ? g n i s n e s t n e r r u c - r e v o t n e r r u c k n i s m i l ih g i h l d0 191 1a t e s f f o r o t a r a p m o c t n e r r u cm i l i - d n g p0 1 -0 1 +v m r e f f u b e c n e r e f e r t n e r r u c e c r u o s t u o f e r 3a m d l o h s e r h t e l b a n e n i f e rg n i s i r n i f e r0 5 . 00 6 . 0v s i s e r e t s y h e l b a n e n i f e r 0 3v m y c a r u c c a c d t u o f e rv 5 2 . 1 = n i f e r , d a o l o n0 4 2 . 10 6 2 . 18 3 2 . 12 6 2 . 1v m n o i t c e t o r p t l u a f ) e v i t i s o p ( t i m i l t n e r r u c ) 2 ( r , x l - d n g p m i l i k 5 = ? 0 55 35 6v m r , x l - d n g p m i l i k 0 1 = ? 0 0 10 80 2 1v m r , x l - d n g p m i l i k 0 2 = ? 0 0 20 7 10 3 2v m ) e v i t a g e n ( t i m i l t n e r r u cx l - d n g p5 2 1 -0 6 1 -0 9 -v m t l u a f e g a t l o v - r e d n u t u p t u ot u o f e r o t t c e p s e r h t i w0 2 -8 2 -5 1 -% t l u a f e g a t l o v - r e v o t u p t u ot u o f e r o t t c e p s e r h t i w0 1 +8 +2 1 +% y a l e d t l u a f e g a t l o v - r e v ov o e v o b a d e c r o f b f d l o h s e r h t 5s e g a t l o v t u p t u o w o l d g pa m 1 k n i s 4 . 0v t n e r r u c e g a k a e l d g pv 5 = d g p , n o i t a l u g e r n i b f 1a d l o h s e r h t v u d g pt u o f e r o t t c e p s e r h t i w0 1 -5 1 -8 -% test conditions: v bat = 2.5v, refin = 1.25, vcca = vddp = 5.0v, v out = 1.25v, r ton = 1m ? ? :7 ! ! 89 0 ! 0 0 . * 6> / 0 89 % 0 $;" 0 / . * @(7< 8:9 * <7 % /<7 * 0 - * 89 @ * * b<76. b<76. * b<76.c 869 #4 0 8d9; * * 0$ 7 . 0 0 0 $06 8c97 e7 @ < * / ) 0 . / ? 8 9 +f4618 9 ** . * ** 0 ? 8 9 < ! ! r e t e m a r a ps n o i t i d n o cc 5 2c 5 2 1 o t c 0 4 -s t i n u n i mp y tx a mn i mx a m ) . t n o c ( n o i t c e t o r p t l u a f y a l e d t l u a f d g pd g p e d i s t u o d e c r o f b f w o d n i w 5s d l o h s e r h t e g a t l o v r e d n u a c c v) s i s e r e t s y h v m 0 0 1 ( g n i l l a f0 . 47 . 33 . 4v d l o h s e r h t e g a t l o v r e d n u p d d vg n i l l a f5 . 3v s i s e r e t s y h e g a t l o v r e d n u p d d v 0 5 2v m t u o k c o l e r u t a r e p m e t r e v os i s e r e t s y h c 0 15 6 1c t r a t s t f o s e m i t p m a r t r a t s - t f o sh g i h d g p o t h g i h n i f e r0 4 4s k l c ) 5 ( e m i t k n a l b e g a t l o v - r e d n uh g i h v u o t h g i h n i f e r0 4 4s k l c ) 5 ( s r e v i r d e t a g y a l e d h g u o r h t - t o o h s ) 6 ( g n i s i r l d r o h d0 3s n e c n a t s i s e r n w o d - l l u p l dw o l l d8 . 06 . 1 ? e c n a t s i s e r p u - l l u p l dh g i h l d24 ? e c n a t s i s e r n w o d - l l u p h dv 5 = x l - t s b , w o l h d24 ? e c n a t s i s e r p u - l l u p h d ) 7 ( v 5 = x l - t s b , h g i h h d24 ? t n e r r u c k n i s l dv l d v 5 . 2 =1 . 3a t n e r r u c e c r u o s l dv l d v 5 . 2 =3 . 1a t n e r r u c e c r u o s / k n i s h dv h d v 5 . 2 =3 . 1a test conditions: v bat = 2.5v, refin = 1.25, vcca = vddp = 5.0v, v out = 1.25v, r ton = 1m ? 6 ? :7 ! ! 7 . 0 0 0 tplhdl tplhdh lx dl dl dh 3 # 0 monitor ton (2) toff + - refin (1) vcca (4) ref - 20% ton ref buffer uv isense bst (14) off dh (13) hi lo lx (12) ilim (11) vddp (10) zero i dl (9) pgnd (8) ref + 10% control on oc logic por / ss vssa (7) fault ov ot ref - 10% pwm + - vddp pgd (6) fb (5) refout (3) d ? :7 ! ! $ ! / 0 (* 0&/ e c i v e d ) 1 ( e g a k c a p t r t s t i a 0 8 4 1 c s ) 2 ( 4 1 - p o s s t b v e a 0 8 4 1 c sd r a o b n o i t a u l a v e 89 ( * #0 0 6 * 89 +* / * * / ?<<< )7 * b.7 .3 1 2 3 4 5 6 7 bst refin top view (14 pin tssop) 13 12 14 11 10 dh ton lx refout ilim vcca vddp fb dl pgd pgnd vssa 9 8 $ # n i pe m a n n i pn o i t c n u f n i p 1n i f e r a . e g a t l o v s i h t s t e s a s s v o t q d d v m o r f r e d i v i d r o t s i s e r m h o k 0 1 + m h o k 0 1 a . t u p n i e c n e r e f e r . d e d n e m m o c e r s i r o t i c a p a c r e t l i f t u p n i f 1 . 0 2n o t - n o t e f s o m p o t e h t t e s o t d n a , n o t r , r o t s i s e r p u - l l u p a h g u o r h t t a b v e s n e s o t d e s u s i n i p s i h t . a s s v o t r o t i c a p a c c i m a r e c f n 1 a h t i w n i p s i h t s s a p y b . e m i t 3t u o f e r 0 1 s e i r e s a t c e n n o c . e g a t l o v s i h t o t s e t a l u g e r r e l l o r t n o c g n i h c t i w s e h t . t u p t u o n i f e r d e r e f f u b . a s s v o t n i p s i h t m o r f f 1 d n a m h o 4a c c v . a s s v o t s u s v 5 m o r f r e t l i f c r f 1 / m h o 0 1 a e s u . y l p p u s g o l a n a e h t r o f t u p n i e g a t l o v y l p p u s 5b f. r o t i c a p a c t u p t u o e h t t a t u p t u o e h t o t t c e n n o c . t u p n i k c a b d e e f 6d g p ) s e l c y c 0 4 4 ( y a l e d e l c y c k c o l c d e x i f a r e t f a h g i h s e o g . t u p t u o s o m n n i a r d n e p o d o o g r e w o p . p u r e w o p g n i w o l l o f 7a s s v . ) s ( r o t i c a p a c t u p t u o e h t f o m o t t o b o t t c e n n o c . y r t i u c r i c g o l a n a r o f e c n e r e f e r d n u o r g 8d n g p. d n u o r g r e w o p 9l d. h c t i w s t e f s o m e d i s w o l e h t r o f t u p t u o e v i r d e t a g 0 1p d d v o t r o t i c a p a c c i m a r e c f 1 a h t i w n i p s i h t e l p u o c e d . s r e v i r d e t a g e h t r o f t u p n i e g a t l o v y l p p u s v 5 + . d n g p 1 1m i l i e c r u o s e h t r o g n i s n e s ) n o ( s d r r o f t e f s o m e d i s - w o l f o n i a r d o t t c e n n o c . n i p t u p n i t i m i l t n e r r u c . r o t s i s e r g n i s n e s d l o h s e r h t a h g u o r h t g n i s n e s r o t s i s e r r o f 2 1x l . n o i t c e n n o c ) r o t c u d n i t u p t u o e h t d n a s t e f s o m m o t t o b d n a p o t f o n o i t c n u j ( e d o n e s a h p 3 1h d. h c t i w s t e f s o m e d i s h g i h e h t r o f t u p t u o e v i r d e t a g 4 1t s b. e v i r d e t a g e d i s h g i h e h t r o f n o i t c e n n o c r o t i c a p a c t s o o b c ? :7 ! ! &/ 7! - 2 g61 ** &/ *. - * g61 0* 2 0 7 +$h6 0 * / 177 * * 0 $;" 0 / 8+ ; * 9 2 /* 177 ! $0 * * 177 * 0 * ** 1!! * 177 ? * * * 1!! / 61 61 1$$;" * / 0 $;" * * 0 * 0 * 0 * 0 * * 177 * $;" 0 / 89 1$ * * 0 * * 0 - * " 1$*61 - *7 0 * / * !"# $ %& '%% (%!) *+ '% $?@ / . * / 2*/- $?@ 8 0 7! 3 # 09 0 * * / e <7 * $?@ 0 0 */ 0 . * . * * . * * 0* 0 * . //. (%!) (%! , - ( . . . ( # 0 0 * 0. * 0 . . - */ 0 0/ i 1(% # 0 . / 0 . * * 0 * 0 0 /- * / # 0 1(% j::1 ns 50 v v ) 10 x 37 r ( 10 x 3 . 3 t bat out 3 ton 12 on + ? ? ? ? ? ? ? ? ? + ? = ? (" */ 813 9 (" 0 * / (" * * 177 0 %/% <&" <(% //* / 8 0 1!! 9 * 1$ 1 8 01!! * <&"9& * * / 1k 0 <&" /1k <(% 1 7: *1$ ** 0 1 0 <(% ' % 0 ' ! 0 / 7! * . / . * @(7< * 0 . * * / 0 * * 78("9 0 // * 2 & &+&@ &+&@ *+f * &+&@ * 7! * *@(7< ? 0* *@(7< - 0 &+&@ 0 *@(7< * 0 * 8 @(7< 9 / 0 &+&@ & 2 . @(7< # * // * * 0 8 ( %* 0 $ 9 ? :7 ! ! &/ 8! 9 0 0 * 8 0 9 / : # 0 * * : # * 0 0 * * : ' #. .# - / 0 * 0 0 0 * i limit i load i peak inductor current time v alley current-limit threshold poin t 1 & ' % 0% - / * / a r r 10e i sense ilim 6 - limit ? = ? 8/ 0 0 : $09 &+&@ 6* 7<"7< 78("9 / < / k 0 * / < / k * $;" 0 * 0 0* * &+&@ ? 0 * * 7<"7< 0 * &+&@ . 2 * 0 *@(7< * ? 0 2 7<"7< / 0 0 . 8 / 0 / * $;" 0 * * @(7< 9 & @(7< * * +f 0 $;" 7! 0+f* / 0 * 0 / 61 8 9 @(7< * // * / 2 a* +0 0 / :8 9 . * 0 // * 0 8 ( ( 0 $ 9 2 ( -)). 0 * .* * - . ? 0 > 08 <(% 9$;0 * & * 0 > / 0 $; * * 0 . * * 0 / 8 0 9 * h> / 0 6a* $; / ( (33 % -)). ? 2* > / 0 8 <(% 9 . * @(7< * & * * * // 8 9 6a * (1 / " 1 / / 1!! <&" 00 * ( % 3 % -)). ? > 08 <(% 9 * .* * & ** * // 8 9 6a* %1 / " 1 / / 1!! <&" 00 * ( 4 0( % " . 8$( 9 1!! 2* :1 0 0 1!! * 0 # 8%1+(9 0 * <(% // ? 1!! 1 1!! %1+( <(% // / * / * h ? :7 ! ! &/ 8! 9 0 / * 8 9 ? <&" <&" * <(% 0 * 0 <&" 00 <&" * % 1$ 00 1$%1+( /::1 0 8 0 1!! 9 7 0 + 0 37 ? / 8 9 * 7! 0 1 8 0 / &+&@ 9 * * * / 0 / 9 6>&+&@ * //. 9 6>&+&@ //. :9 c6>&+&@ //. 9 > &+&@ //. * 0* 0 * * &/ 1$ / :61 8 9 1 0 * &/ <&" / <&" * <(% * 1 * 1 / 1!! %1+( * 1!! / 18 9 * * * ** <(% // * ** * +( ) 3 ) * + * i* / * 0 *. i* 0 . * * 0 . * @(7< * **. + * 0 . *@(7< / 0 + / // 8 l19 ! * +f * / 0 *@(7< * . *@(7< / 0 ) / // 8+f l19 3 * * )*+ 0 / @(7< "% "" / // /* 0: * # 0 6a 7 /** # 0 - * 2 * *** @# 0 * * / * * 177 - * * 0 * ? a ? a / <(% 177 7 a a / # . * &@@ ** ? * <(% * &@@ # ** / 2 <(% * &@@ * (1$ / <(% * 1 2 <(% / * 0 <&" * / * 1k * <&" &/ * * * <&"/ 1k a / <&" 177 **- / 0 )) "% 0 *m 0 / . * * / 2* 66 82 9 //. . * / . 0 /#)i ? # 0 0 * ./ * 0 . / * // &!* ./ 0 ) max ( off t ) min ( on t ) min ( on t duty + = 3 * * * @(7< . 0* / 0 .* * ./ '5678 & ' 8 & -)). &!// ! // 0 * 0 /- * * 7! 0 <(% 0 <&" 0 7 / <(% // / / //* 0 // * * / 0 / * > ! ? :7 ! ! &/ 8! 9 7! * 0 * / 2* /- " /- * *2* 0 03 0 0 / n / ! 0 2 / <(% 4h1 / h1&/ 1 13 4 d1 ! 0 h1 &/ :1 13 4 61 ! 0 h61 * 0 0 * ! 0& 0 /- 7 0/- * i* 0 @(7< 78("9 ) 0 78("9 @(7< 0/- * * * ! 0 % -8). & % 7! / 0 * 1 0* * / 1 0* / 1k 7 / 0 0 * // */ ** * 0 1 / % $ * 0 0 * # 0 * 0 0* 0 / / * 0 * 1 / 0 : $0 * 0* 2 0 81 3 8@ f9 9 * * 0 ! * 0 0 81 3 8@&"9 9 * * 0 / 0 / 0 * * / * / * 02 1 3 0 / 1 1 ** / 9 01 (% 8/ h19 9 8 !9 (+ 7 8/ g'.1 > * 0/ >9 :9 (+ * i / 8/ */ * g'.>/ / * 9 92 & (% 8 * 0/ : 9 7 0 /- * *. // i*// &*/- 0 @(7< / /1&" o 0 2 0* *0/ @(7< * * 0 * */ (" / c6# ? 00* 0 / 0 * . (" 1 3 8@&"9 * 1 3 8@ f9 ** 1 3 1 (% * (" 1 (% j::1 () s 10 50 v v 10 37 r 10 3 . 3 t 9 ) min ( bat out 3 ton 12 ) min ( vbat _ on ? ? ? + ? ? + ? ? = / (" 0 /- / () hz t v v f ) min ( vbat _ on ) min ( bat out ) min ( vbat _ sw ? = * () hz t v v f ) max ( vbat _ on ) max ( bat out ) max ( vbat _ sw ? = (" 0* . 1 3 (" 0 * 0 :: 1 (% - / 0 * / (" 1 2 (" 4c6# ? ("p13 8@&"9 4 :h * ("p13 8@ f9 4 d / 7?p13 8@&"9 4 :#)i * / 7?p13 8@ f9 4 c#)i " # (" / * * * 6> /& (% 0 0 ? :7 ! ! &/ 8! 9 () () h i 5 . 0 t v v l out ) min ( vbat _ on out ) min ( bat ) min ( vbat ? ? ? = * () () h i 5 . 0 t v v l out ) max ( vbat _ on out ) max ( bat ) max ( vbat ? ? ? = 1 2 + 13 8@&"9 4da)*+ 13 8@ f9 4a) ? * /a) * */ () p p ) min ( vbat _ on out ) min ( bat ) min ( vbat _ ripple a l t v v i ? ? ? = * () p p ) max ( vbat _ on out ) max ( bat ) max ( vbat _ ripple a l t v v i ? ? ? = 1 2 & &$$+ 0 / ) min ( ) max ( vbat _ ripple ) max ( out ) min ( inductor a 2 i i i + = 1 2 & &"%! ( 8@&"9 4:c 8@&"9 "2 2 - 8<7 9 * * 0 0 * 2 <7 / * <7 8 <7 p7 8@ f9 9 * <7 8 <7 p 8@ f9 9 () ohms i 2 err err r ) max ( vbat _ ripple dc st ) max ( st _ esr ? ? = ? < 7 *< ! ! ! > / /*# > / > /*# 1 2 < 7 4:d1*< ! 41 / <7 p7 8@ f9 4d ? () ohms 2 i i err err r ) max ( vbat _ ripple out dc tr ) max ( tr _ esr + ? = ? < " * / * / / / * * * & (% 1 2 < 4c1*< ! 41 / <7 p 8@ f9 4 d ? / : * ? / 6 ? 2 / * 0 " / . <7 - / * / sw out ) min ( esr f c 2 3 r ? ? ? = * #* * * " # <7 0 p p ) max ( vbat _ ripple esr ) max ( vbat _ ripple v i r v ? ? = * p p ) min ( vbat _ ripple esr ) min ( vbat _ ripple v i r v ? ? = 1 2 ? :7 ! ! &/ 8! 9 1 &$$+ * / * 0 * /*# 1 (% * 2 61 $.$ 1 3 * 1 $.$ &/ 1 &$$+ * * * "2 * - * 0 * 2* 2 $(7+&@ 0/ 2 1 (% p7 p$(7 * v err v v dc out pos _ st _ out + = 1 2 1 (% p7 p$(7 4h1 v tol v poslim tr out tr ? = ? (+ 1 2 $(7+&@ 4hc1 * / () f v poslim 2 i i l c 2 pos _ st _ out 2 tr 2 ) max ( vbat _ ripple out ) min ( out ? + ? = * // . * * 0 * 0 - * / * 0 * * / & (% 1 2 ! (% 8@&"9 4h6a ? a 0 a 6 ? "2 @7 0 0 () rms min _ bat out out ) min ( bat out ) rms ( in a v i v v v i ? ? ? = 1 2 & &"8 @79 4h6 @7 & * * // 0/ @7 / 2 a i61 * : @7 / / e * * * # q r 0 / ? 2 / / @(7< 78("9 1 ;7 4 61 / / a 2 i i i ) min ( vbat _ ripple out valley ? = 0 * # * * 0 * () ohms 10 10 4 . 1 r 2 . 1 i r 6 ) on ( ds valley ilim ? ? ? ? ? = 1 2 & 1 ++ hh# ? ), '% % m / * * / c p t t ja d a j ? + = ? : ? :7 ! ! &/ 8! 9 4 8t!9 $ 4 * 8?9 b 4 *m / 2 08t!'?9 * */ w f q v i vcca p g g vcca d ? ? + ? = ? 1!! 4 0819 & 1!! 4 0 8 9 1 0 40* 0 61819 k 0 4< 0 0/ < * 8!9 /4 0/- 8#)i9 & 0 / 0 2 46t! b 4 t!'? 1!! 4 61 & 1!! 4a 8* 2 9 1 0 461 k 0 4d! / 4 :#)i 0 w 108 . 0 10 342 10 60 5 10 1100 5 p 3 9 6 d = ? ? ? ? + ? ? = ? ? * c 8 . 95 100 108 . 0 85 t j = ? + = 0 //* * 0 0 - 0 * * 0 ? :7 ! ! &/ 8! 9 0& % (8 90 * ' ** i // / 0 * * 2 i * &! 0 * / 177 * # / 0 * /* 177 * 177 * 0 * 89 *# # / / 0 * * * 0 * /*# 177 * // / # q- r / ! * 0 81$1!! 9 * *2 81$*$;"1!! *177 9* ** * $ * * 0 * 89 0 - */ * 0 8 * 0 0 * 9$ * * i ** @# * / $!3 0 * / * / q r */ @ i 0 0* * 0 / @(7< * *8*@(7< 0 9 . *@(7< @ 0 * / j / 0 * 0 % - * * 0 - 8* * 9 / * ! * 0o 0 ? 2 7! / * 0 * 0 $ * 2 0 0 * * 4 1 2 3 5 6 7 8 q1 fds6982s c3 0u1 c1 10u 0402 0402 0603 0402 0402 0402 0402 0402 0402 0402 7343 1210 0603 0402 0402 0603 sod323 0603 2525 r8 0r 0402 refin 1 ton 2 refout 3 vcca 4 fb 5 pgd 6 vssa 7 pgnd 8 dl 9 vddp 10 ilim 11 lx 12 dh 13 bst 14 u1 sc1480a c9 1u c8 1n r7 10r r4 10r r3 470k r2 715k r1 10k0 r6 10k0 vtt vbat vddq 5vsus pgood c2 1u refout c10 1u r5 9k09 d1 c5 0u1 5vrun c4 2n2 vbat l1 2u2 + c6 220u/15mohm vtt c7 0u1 9 "% % % 0& # " 8) : 6 174 )) : 7;<4 98 " / / 0 **177 * 0 6 ? :7 ! ! ** /* 177 * + # 0 / /* 177 * ! 177 0 * 8=r9 / 1 / 0 * / 0 / ** 0402 0402 0402 0402 0402 0603 0603 refin 1 ton 2 refout 3 vcca 4 fb 5 pgd 6 vssa 7 pgnd 8 dl 9 vddp 10 ilim 11 lx 12 dh 13 bst 14 u1 sc1480a c9 1u c8 1n r7 10r r6 10k0 c2 1u c10 1u 5vrun c7 0u1 5 ' %% '%% 8 # 8 7;717= ) & 0 6 /* 177 * * * 0 r 0 !h*! ! * $;" 0 &/ 8! 9 d ? :7 ! ! &/ 8! 9 3*177 * ** // 0603 0402 0402 0402 0603 0402 7343 r8 0r 0402 refin 1 ton 2 refout 3 vcca 4 fb 5 pgd 6 vssa 7 pgnd 8 dl 9 vddp 10 ilim 11 lx 12 dh 13 bst 14 u1 sc1480a c9 1u c8 1n r7 10r r6 10k0 c2 1u + c6 220u/15mohm vtt c7 0u1 vssa fb > ""% % " / % % "% ) "2 # 0 0 c 0 * '* 8 0 0 * *9* *# 4 1 2 3 5 6 7 8 q1 fds6982s c3 0u1 c1 10u 1210 0603 0402 2525 7343 r8 0r 0402 c4 2n2 vbat l1 2u2 + c6 220u/15mohm vtt ? 2 % % % 0 * * 0 /- * <@&% 0 i * 7 0 $0c/ 2 c ? :7 ! ! &/ 8! 9 6 2 % ' %% % % ' o / 9 * * * 9 * * 0 * :9 0 ** 0 * * * 0 0 * * 9 " 0 / ? / 177 69 * * &+&@*+f ! 0 * * */ 8 0 h $09 9 177 *3/*#* // * q- r / 9 +)*+f8 *< 0* 0 *< 0* * *9 0 * / 0 / i 0 * i * + 0 * 0 * +f * 0 $? p7 ! * 0 * 0 /- *# ) +f :937 ** *# 9 ! $;" * 1$ * 0 * * * 0 * ? :7 ! ! 4 2 3 5 6 7 8 q1 fds6982s 2525 refin 1 ton 2 refout 3 vcca 4 fb 5 pgd 6 vssa 7 pgnd 8 dl 9 vddp 10 ilim 11 lx 12 dh 13 bst 14 u1 sc1480a l1 2u2 < '%%% '% % 2 % $ *8 #9 8/*9 * ;* 8*9* *8 9 * 8+?j9* + &/ 8! 9 h ? :7 ! ! ! ""%& 3; ( ' % 3; % ( 3; ( ' % 3; % 2,% $ %& 3; ( ' % 3; % " 9 % 5 " , 0 10 20 30 40 50 60 70 80 90 100 0.0 0.5 1.0 1.5 2.0 2.5 3.0 i out (a) e fficiency (% ) v bat = 20v v bat = 8v 0.880 0.885 0.890 0.895 0.900 0.905 0.910 0.915 0.920 0.0 0.5 1.0 1.5 2.0 2.5 3.0 i out (a) v out (v ) v bat = 20v v bat = 8v 0 50 100 150 200 250 300 350 400 0.0 0.5 1.0 1.5 2.0 2.5 3.0 i out (a) f requency (kh z) v bat = 20v v bat = 8v ? :7 ! ! ! 8! 9 )) 0 )%% %4 78 98 78 1 61'* ! * +f 1'* : * * '* a'* 1 3 41 " 9 % 5 " , )) 0 )%% %4 98 78 @ )) 0 )%% %4 78 98 @ 1 1'* ! * +f 1'* : * * '* a'* 1 3 41 1 61'* ! * +f 1'* : * * '* a'* 1 3 41 ? :7 ! ! ! 8! 9 4 % 7 7;< 1 61'* +f 1'* : <(% 1'* <&" 1'* a'* 1 3 41 " 9 % 5 " , 4 % 7 7;< ,2% 1 61'* +f 1'* : <(% 1'* $; 61'* a'* 1 3 41 ? :7 ! ! @# 0 0 @# 3 @# 4 .* 0 / / 4 .* 0 # / / 2222224?/+ " 224 + " : ? :7 ! ! ( 0. 77($. 7 ! $ @0$ * *! ! h: $ 869h. f 869h.: ! &/ +*$. 77($. |
Price & Availability of SC1480AITSTRT
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