e l ek tr on isch e b a u e lemen te S5M2163 cmos positive voltage regulator * factor pre-set output voltage f e a t u r e s * high accurate * over-temperature shutdown 1.5% * very low dropout voltage * noise reduction bypass capacitor * short circuit current fold-back * guaranteed 300ma output * current limiting * portable electronics applications * pc peripherals * wireless devices * battery powered widgets * electronic scales * instrumentation * cordless phones and current fold-back to prevent device failure under the "worst" of operating conditions. in applications requiring a low noise, regulated supply, place a 1000pf capacitor between bypass and ground. the s 5m2163 is stable with an output capacitance of 2.2mf or greater. 01 -jun-2002 rev. a page 1 of 7 http://www.secosgmbh.com/ any changing of specification will not be informed individual r o h s c o m p l i a n t p r o d u c t typical application circuit functional block diagram description the S5M2163 series of positive,linear regulators feature low quiescent current (30ma typ.) with low dropout voltage, making them ideal for battery applications. these rugged devices have both thermal shutdown, ref. min. max. ref. millimeter a 4.40 4.60 g 3.00 ref. b 4.05 4.25 h 1.50 ref. c 1.50 1.70 i 0.40 0.52 d 1.30 1.50 j 1.40 1.60 e 2.40 2.60 k 0.35 0.41 f 0.80 - l 5 typ. millimeter dimensions S5M2163 * power-saving shutdown mode
t c i s c p s r r e n 1 5 0 3 0 0 4 n o t e v _ _ _ _ _ _ _ _ _ _ _ i n p u t v o l t a g e o v e r t e m p e r a t u r e s h u t d o w n o v e r t e m p e r a t u r e h y s t e r s i s o u t p u t v o l t a g e t e m p e r a t u r e c o e f f i c i e n t s h o r t c i r c u i t c u r r e n t o u t p u t v o l t a g e n o i s e v i n o t s o t h 3 7 3 0 3 0 1 5 0 6 0 5 0 2 0 3 0 _ _ _ _ _ c o c o p p m / m a d b u v r m s c o v i n = v o u t ( t ) + 1 v , v o u t < 0 .8v f = 1 0 0hz f = 1 k h z f = 1 0 k h z c o = 2 . 2 u f i o = 1 0 0 m a c o = 2 . 2 u f f = 1 0 h z ~ 1 0 0 k h z i o = 1 0 m a - 0 . 4 0 . 2 0 . 4 4 . 0 v v ( t ) o u t r e g l i n e l i n e r e g u l a t i o n i 3 0 0 . 0 2 - 0 . 2 0 . 1 a % v = v ( t ) + 1 v , i o = 0 m a _ _ 5 0 - 0 . 1 5 - 0 . 1 0 . 2 0 . 1 5 i o = 1 m a v i n = v o u t ( t ) + 1 t o v o u t ( t ) + 2 1 . 2 v v o u t ( t ) 1 . 4 v 1 . 4 v < v o u t ( t ) 2 . 0 v 2 . 0 v < v o u t ( t ) < 4 . 0 v p o w e r s u p p l y r e j e c t i o n v eh i eh i sd 0 .1 _ _ _ _ _ _ ground pin current en input threshold i gnd 3 5 2 0 0.5 0.5 0 1 0.4 _ _ ua ua v v v en =v in ,v in =2.7v v in =5v,vo=0v,v en 1 . 2 v v i n = v o u t ( t ) + 2 v , 1 o = 1 m a v i n = v o u t ( t ) + 2 v , v o u t _ _ _ _ v o u t ( t ) 2 . 0 v 2 . 0 v v o u t ( t ) 2 . 8 v 1 ?? v o u t ( e ) * 0 . 9 6 ( e ) v o u t 2 ( e ) 1 . 5 % 4 5 0 m a l o a d r e g u l a t i o n r e g l o a d 0 . 2 v i n = v o u t ( t ) + 2 v , i o = 1 m a t o 3 0 0 m a 1 . 2 v _ i o = 3 0 0 m a ( e ) - 2 % < - 2 . 5 % 2 . 5 % v i n = v o u t ( t ) + 2 v , 1 o = 300 m a v i n = v o u t ( t ) + 2 v, e l e c t r i c a l c h a r a c t e r i s t i c s t a = 2 5 unless otherwise noted o c h t t p : / / w w w . s e c o s g m b h . c o m / t h e r m a l r e s i s t a n c e i n p u t v o l t a g e o u t p u t c u r r e n t o u t p u t v o l t a g e o p e r a t i n g a m b i e n t t e m p e r a t u r e j u n c t i o n t e m p e r a t u r e p a r a m e t e r s y m b o l r a t i n g s u n i t v m a v c / w v i n i o u t t j m a x . 8 p d / ( v i n - v o ) - 4 0 ~ + 1 2 5 1 . 5 ~ 5 . 0 - 4 0 ~ + 8 5 3 8 o m a x . j u n c t i o n t e m p e r a t u r e v o u t t o p r t j q j c 1 5 0 180 c o c o a b s o l u t e m a x i m u m r a t i n g s o c ) p o w e r d i s s i p a t i o n ( m w 5 5 0 t = 1 0 0 e d s c l a s s i f i c a t i o n p d b q j a c o e l e k t r o n i s c h e b a u e l e m e n t e a n y c h a n g i n g o f s p e c i f i c a t i o n w i l l n o t b e i n f o r m e d i n d i v i d u a l 01-jun-2002 rev. a page 2 of 7 s 5m 21 6 3 cmos positive voltage regulator
01-jun-2002 rev. a page 3 of 7 h t t p : / / w w w .s e c o sg m b h .c o m/ a n y c ha n g i n g o f s pe c if i c a t i o n w ill no t b e i n f o r m ed i nd i v i dual e l e k t r o n i s c h e b a u e l e m e n t e s 5 m 2 1 6 3 - 1 5 s 5 m 2 1 6 3 - 2 0 s 5 m 2 1 6 3 - 2 7 s 5 m 2 1 6 3 - 2 8 s 5 m 2 1 6 3 - 3 0 s 5 m 2 1 6 3 - 3 3 s 5 m 2 1 6 3 - 3 5 s 5 m 2 1 6 3 - 3 7 3 f 1 5 2 1 . 5 v 2 . 0 v 2 . 7 v 2 . 8 v 3 . 0 v 3 . 3 v 3 . 5 v 3 . 7 v s 5 m 2 1 6 3 - 1 8 s 5 m 2 1 6 3 - 2 5 s 5 m 2 1 6 3 - 2 h s 5 m 2 1 6 3 - 2 9 s 5 m 2 1 6 3 - 3 1 s 5 m 2 1 6 3 - 3 4 s 5 m 2 1 6 3 - 3 6 1 . 8 v 2 . 5 v 2 . 8 5 v 2 . 9 v 3 . 1 v 3 . 4 v 3 . 6 v x x x x 3 f 2 0 2 x x x x 3 f 2 7 2 x x x x 3 f 2 8 2 x x x x 3 f 3 0 2 x x x x 3 f 3 3 2 x x x x 3 f 3 5 2 x x x x 3 f 3 7 2 x x x x 3 f 1 8 2 x x x x 3 f 2 5 2 x x x x 3 f 2 h 2 x x x x 3 f 2 9 2 x x x x 3 f 3 1 2 x x x x 3 f 3 4 2 x x x x 3 f 3 6 2 x x x x s 5 m 2 1 6 3 - 5 0 5 . 0 v 3 f 5 0 2 x x x x s 5 m 2 1 6 3 - 3 8 3 . 8 v 3 f 3 8 2 x x x x p a r t n u m b e r m a r k i n g o u t p u t v o l t a g e p a r t n u m b e r m a r k i n g o u t p u t v o l t a g e ordering information(contd.) c h a r a c t e r i s t i c s c u r v e note 1: v out (e) =effective output voltage (i.e. the output voltage when "v out (t) + 2 .0v" is provided at the vin pin while maintaining a certain i out value). 2: v out (t) =specified output voltage 3: v in (min) =v out +v dropout 4: to prevent the short circuit current protection feature from being prematurely activated, the input voltage must be applied before a current source load is applied. s 5m 21 6 3 cmos positive voltage regulator
e l ek tr on isch e b a u e lemen te 01 -jun-2002 rev. a page 4 of 7 http://www.secosgmbh.com/ any changing of specification will not be informed individual s 5m 21 6 3 cmos positive voltage regulator
e l e k t r o n i s c h e b a u e l e m e n t e h t t p : / / w w w . s e c o s g m b h . c o m / a n y c h a n g i n g o f s p e c i f i c a t i o n w i l l n o t b e i n f o r m e d i n d i v i d u a l 01-jun-2002 rev. a page 5 of 7 s 5m 21 6 3 cmos positive voltage regulator
0 1 - j u n - 2 0 0 2 r e v . a p a g e 6 o f 7 h t t p : / / w w w .s e c o sg m b h .c o m/ a n y c ha n g i n g o f s pe c if i c a t i o n w ill no t b e i n f o r m ed i nd i v i dual e l e k t r o n i s c h e b a u e l e m e n t e s 5m 21 6 3 cmos positive voltage regulator
01-jun-2002 rev. a page 7of 7 detailed description t h e s 5 m 2 1 6 3 s e r i e s o f c o m s r e g u l a t o r s c o n t a i n a p m o s p a s s t r a n s i s t o r , v o l t a g e r e f e r e n c e , e r r o r a m p l i f i e r , o v e r - c u r r e n t p r o t e c t i o n a n d t h e r m a l s h u t d o w n . t h e p - c h a n n e l p a s s t r a n s i s t o r r e c e i v e s d a t a f r o m t h e e r r o r a m p l i f i e r , o v e r - c u r r e n t s h u t d o w n , a n d t h e r m a l p r o t e c t i o n c i r c u i t s . d u r i n g n o r m a l o p e r a t i o n , t h e e r r o r a m p l i f i e r c o m p a r e s t h e o u t p u t v o l t a g e t o a p r e c i s i o n r e f e r e n c e . o v e r - c u r r e n t a n d t h e r m a l s h u t - d o w n c i r c u i t s b e c o m e a c t i v e w h e n t h e j u n c t i o n t e m p e r a t u r e e x c e e d s 1 5 0 c , o r t h e c u r r e n t e x c e e d s 3 0 0 m a . d u r i n g t h e r m a l s h u t d o w n , t h e o u t p u t v o l t a g e r e m a i n s l o w . n o r m a l o p e r a t i o n i s r e s t o r e d w h e n t h e j u n c t i o n t e m p e r a t u r e d r o p s b e l o w 1 2 0 c . t h e s 5 m 2 1 6 3 s w i t c h e s f r o m v o l t a g e m o d e t o c u r r e n t m o d e w h e n t h e l o a d e x c e e d s t h e r a t e d o u t p u t c u r r e n t . t h i s p r e v e n t s o v e r - s t r e s s . t h e s 5 m 2 1 6 3 a l s o i n - o o c o r p o r a t e s c u r r e n t f o l d - b a c k t o r e d u c e p o w e r d i s s i p a t i o n w h e n t h e o u t p u t i s s h o r t c i r c u i t e d . t h i s f e a t u r e b e c o m e s a c t i v e w h e n t h e o u t p u t d r o p s b e l o w 0 . 8 v o l t s , a n d r e d u c e s t h e c u r r e n t f l o w b y 6 5 % . f u l l c u r r e n t i s r e s t o r e d w h e n t h e v o l t a g e e x c e e d s 0 . 8 v o l t s . e x t e r n a l c a p a c i t o r s t h e s 5 m 2 1 6 3 i s s t a b l e w i t h a n o u t p u t c a p a c i t a n c e t o g r o u n d o f 2 . 2 u f o r g r e a t e r . c e r a m i c c a p a c i t o r s h a v e t h e l o w e s t e s r , a n d w i l l o f f e r t h e b e s t a c p e r f o r m a n c e . c o n v e r s e l y , a l u m i n u m e l e r t r o l y t i c c a p a c i t o r s e x h i b i t t h e h i g h e s t e s r , r e s u l t i n g i n t h e p o o r e s t a c r e s p o n s e . unfortunately, large value ceramic capacitors are comparatively expensive. one option is to parallel a 0.1 uf ceramic capacitor with a 10 uf aluminum electrolytic. the benefit is low esr, high capacitance, and low overall cost. a second capacitor is recommended bet ween the input and ground to stabilize vin. the input capacitor should be at least 0.1uf to have a beneficial effect. a third capacitor can be connected between the by-pass pin and gnd. this capacitor can be a low cost polyester film variety between the value of 0.001 ~0.01 uf. a large capacitor improves the ac ripple rejection, but also makes the output come up slowly. this "soft" turn-on is desirable in some applications to limit turn-on surges. all capacitors should be placed in close proximity to the pins. a "quiet" ground termination is desirable . the can be achieved with a "star" connection. enable the enable pin normally floats high. when actively, pulled low, the pmos pass transistor shuts off, and all internal circuits are powered down. in this state, the quiescent current is less than 1ua. this pin behaves much like an electronic switch. http://www.secosgmbh.com/ any changing of specification will not be informed individual e l e k t r o n i s c h e b a u e l e m e n t e s 5m 21 6 3 cmos positive voltage regulator
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