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| Datasheet File OCR Text: |
| www.shindengen.co.jp/product/semi/ u170-1 features absolute maximum ratings ta = 2 5 ta= 2 5 unless otherwise specified constant current control function (fixed frequency pwm control) 4 4-phase input 2 bit 2-bit digital current selection !" noise cancellation function #$%& cross conduction protection '()* thermal shutdown function +,!- stand-by function ./012 34567 built-in flywheel and flyback diodes parameter symbol rating unit logic supply voltage v cc 0 6 v ! logic input voltage v logic 0 v cc v "#$ load supply voltage v mm 35 v %! & output current i c 0.8 a '()*)#+,)-#. & flywheel diode current i f 0.8 a /012 power dissipation p d 3w 3456 storage temperature t stg -40 150 7 856 junction temperature t j 150 www.shindengen.co.jp/product/semi/ u170-1 electrical characteristics ta = 2 5 ,v cc =5v ta = 2 5 ,v cc =5v unless otherwise specified 9'#:;<=>?+@?abcd 9 floating is possible (built-in pull-up resistance) parameter symbol efg condition min. typ. max. unit output stage vmm hi & 2 jk off l load supply current 2 circuit off i mm (off) v mm =12v, v in =all 0v or all 5v - 2.0 4.4 ma vmm hi &m$ recommended external components value recommended operating conditions ta = 2 5 ta = 2 5 unless otherwise specified !"#$%& setting of output current and chopping frequency output current setting a chopping frequency setting hz '()* typical application symbol st recommendation unit rt 18 k h ct 3300 pf vr v cc v parameter symbol st recommendation unit 7 856 junction temperature t j -25 120 logic supply voltage v cc 4.75 5.25 v "#$ load supply voltage v mm 31 v constant current waveform motor current ichop t=1/fchop lchop vr 10 rs 0.015 C fchop 1 0.72 ct rt www.shindengen.co.jp/product/semi/ u170-1 +,-. truth table !/01 pin assignment top view mtd2002f in 1 or 4 in 2 or 3 out 1 or 4 out 2 or 3 lloffoff lhlh hlhl hhoffoff i0 i1 output current level \ vref v at vr=5v l l 100 0.5 u 5 \ hl 70 0.35 u 8 \ lh 33 0.17 u 10 \ hh 0 - stb mode lstand-by h or open active package hsop28 ] ? ? ]>;tm`oxz m?7 {?] e{w z]? y?s&mmh`?b{ ???tgl^?om? pt a ?w ? + jxz ` $s ?t sua{^?? a j; m?? $`om?b{ fw a ?w? ??? ?^u ? \?? .t1?t?b?os??o?m ?z ?t s?a{^?? ? z ? ; mw;+z ?t]?;w ?tx ?c? 2t pt?]ww z? y? ?o<^m{ ptw a ?w ? + jx?<w?ot `os??b{ 2 a j; m3 ?e??z 0 " sw??;+z ?; z;+z- +z " 7 ;+z????y??;+zh ?z ?^;+z?1??;+z?;;+ s 2 ? ; m3 ;+ lz + sz,e; ?;+z| ??;+zwb w \;+z ? ?;+z?? ;+ s 2 ? ; m3 j?? m?3az?;+z? |;+z? ';+z \???wh?w ?z3a s ptx ?q ?t qw2 t ?qc r?om?buz ?at az? ? q???`h ? ? ?-z ?w- ?-z? ?^w- ?- sw ?t??alq`o ??zpb??ztq $s ? suw-pv??o] u |<^m{ ???tgl^?om? o0xz a ?~?srwh?s ??s`t!?b?\quk??bwp]? ?<^ m{ a ?w] ?tm`?`ox? 2t pt?hx ?? 3?7 yw ?c?]? y<^m{ ???w?;t?loi?b? ??hx ??vfw vbw ??t`oxz ptx ~fw y ? ? m?d?{ ???t?lo h~ ?hx ptw ??vfw vbw?at 0b?- a?hx?avw? z??o?w pxk??d?{ ???tgl^?om? a ?uz?? 8t|?u?got,nvf m^?om? ?z ztx ? ot,nx ?? s ?w z?du ?apb{ ???w ??hx ? ?? ptt ?p 8l?hx ab?\q?nxs ??mh`?b{ / p u f t * g z p v x j t i u p v t f b o z t v d i q s p e v d u q m f b t f c f t v s f u p s f g f s u p u i f t q f d j g j d b u j p o t j t t v f e c z 4 i j o e f o h f o " m m q s p e v d u t e f t d s j c f e p s d p o u b j o f e i f s f j o b s f e f t j h o f e x j u i b r v b m j u z m f w f m j o u f o e f e g p s v t f j o t u b o e b s e b q q m j d b u j p o t s f r v j s j o h b o p s e j o b s z m f w f m p g s f m j b c j m j u z * g u i f t f q s p e v d u t b s f u p c f v t f e j o f r v j q n f o u p s e f w j d f t g p s t q f d j b m p s t q f d j g j d b q q m j d b u j p o t s f r v j s j o h b o f y u s f n f m z i j h i h s b e f p g r v b m j u z p s s f m j b c j m j u z j o x i j d i g b j m v s f t p s n b m g v o d u j p o t p g q s p e v d u t n b z e j s f d u m z b g g f d u i v n b o m j g f p s i f b m u i b m p d b m 4 i j o e f o h f o p g g j d f n v t u c f d p o u b d u f e j o b e w b o d f u p d p o g j s n u i b u u i f j o u f o e f e v t f p g u i f q s p e v d u j t b q q s p q s j b u f 4 i j o e f o h f o q s p e v d u t b s f h s p v q f e j o u p u i f g p m m p x j o h u i s f f b q q m j d b u j p o t b d d p s e j o h u i f r v b m j u z h s b e f 2 4 u b o e b s e b q q m j d b u j p o t3 $ p n q v u f s t p g g j d f b v u p n b u j p o b o e p u i f s p g g j d f f r v j q n f o u d p n n v o j d b u j p o u f s n j o b m t u f t u b o e n f b t v s f n f o u f r v j q n f o u b v e j p w j t v b m f r v j q n f o u b n v t f n f o u f r v j q n f o u d p o t v n f s f m f d u s p o j d t n b d i j o f u p p m t q f s t p o b m f m f d u s p o j d f r v j q n f o u j o e v t u s j b m f r v j q n f o u f u d 2 4 q f d j b m b q q m j d b u j p o t3 5 s b o t q p s u b u j p o f r v j q n f o u w f i j d m f t t i j q t f u d u s v o l m j o f d p n n v o j d b u j p o f r v j q n f o u u s b g g j d t j h o b m d p o u s p m t z t u f n t b o u j e j t b t u f s d s j n f t z t u f n t t b g f u z f r v j q n f o u n f e j d b m f r v j q n f o u f u d 2 4 q f d j g j d b q q m j d b u j p o t3 / v d m f b s s f b d u p s d p o u s p m t z t u f n t b j s d s b g u b f s p t q b d f f r v j q n f o u t v c n b s j o f s f q f b u f s t m j g f t v q q p s u f r v j q n f o u b o e t z t u f n t f u d " m u i p v h i 4 i j o e f o h f o d p o u j o v p v t m z f o e f b w p s t u p f o i b o d f u i f r v b m j u z b o e s f m j b c j m j u z p g j u t q s p e v d u t d v t u p n f s t b s f b e w j t f e u p d p o t j e f s b o e u b l f t b g f u z n f b t v s f t j o u i f j s e f t j h o t v d i b t s f e v o e b o d z g j s f d p o u b j o n f o u b o e b o u j g b j m v s f t p u i b u q f s t p o b m j o k v s z g j s f t p s t p d j f u b m e b n b h f t d b o c f q s f w f o u f e 1 m f b t f o p u f u i b u b m m j o g p s n b u j p o e f t d s j c f e p s d p o u b j o f e i f s f j o j t t v c k f d u u p d i b o h f x j u i p v u o p u j d f e v f u p q s p e v d u v q h s b e f t b o e p u i f s s f b t p o t 8 i f o c v z j o h 4 i j o e f o h f o q s p e v d u t q m f b t f d p o u b d u u i f $ p n q b o z ` t p g g j d f t p s e j t u s j c v u p s t u p p c u b j o u i f m b u f t u j o g p s n b u j p o 4 i j o e f o h f o t i b m m o p u c f b s b o z s f t q p o t j c j m j u z x j u i s f h b s e t u p e b n b h f t p s j o g s j o h f n f o u p g b o z u i j s e q b s u z q b u f o u s j h i u t b o e p u i f s j o u f m m f d u v b m q s p q f s u z s j h i u t j o d v s s f e e v f u p u i f v t f p g j o g p s n b u j p o p o u i j t x f c t j u f 5 i f j o g p s n b u j p o b o e n b u f s j b m t p o u i j t x f c t j u f o f j u i f s x b s s b o u u i f v t f p g 4 i j o e f o h f o t p s b o z u i j s e q b s u z ` t q b u f o u s j h i u t b o e p u i f s j o u f m m f d u v b m q s p q f s u z s j h i u t o p s h s b o u m j d f o t f u p t v d i s j h i u t * o u i f f w f o u u i b u b o z q s p e v d u e f t d s j c f e p s d p o u b j o f e i f s f j o g b m m t v o e f s u i f d b u f h p s z p g t u s b u f h j d q s p e v d u t d p o u s p m m f e v o e f s u i f ' p s f j h o & y d i b o h f b o e ' p s f j h o 5 s b e f $ p o u s p m - b x p g + b q b o f y q p s u j o h p g t v d i q s p e v d u t t i b m m s f r v j s f b o f y q p s u m j d f o t f g s p n u i f + b q b o f t f h p w f s o n f o u j o b d d p s e b o d f x j u i u i f b c p w f m b x / p s f q s j o u j o h p s s f q s p e v d u j p o p g u i f n b u f s j b m t p o u i j t x f c t j u f f j u i f s j o x i p m f p s j o q b s u j t q f s n j u u f e x j u i p v u q s p q f s b v u i p s j [ b u j p o g s p n 4 i j o e f o h f o |
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