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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 #$%& cross conduction protection '()* thermal shutdown function +,!- stand-by function ./01234567 built-in flywheel and flyback diodes parameter symbol rating unit logic supply voltage v cc 0 6 v ! logic input voltage v logic 0 v cc v "#$ 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 7856 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 !"#$%& setting of output current and chopping frequency output current setting a chopping frequency setting hz '()* typical application symbol st recommendation unit rt 18 k h ct 3300 pf vr v cc v parameter symbol st recommendation unit 7856 junction temperature t j -25 120 logic supply voltage v cc 4.75 5.25 v "#$ 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`oxzm?7 {?] e{w z]?y?s&mmh`?b{ ???tgl^?om?pt a ?w ? + jxz `$s ?tsua{^?? a j;m?? $`om?b{ fw a ?w? ????^u ? \?? .t1?t?b?os??o?m ?z ?ts?a{^??? z?;mw;+z ?t]?;w ?tx ?c? 2tpt?]ww z?y??o<^m{ ptw a ?w ? + jx?<w?ot `os??b{ 2 a j;m3 ?e??z 0 " sw??;+z ?;z;+z-+z " 7 ;+z????y??;+zh?z ?^;+z?1??;+z?;;+s 2?;m3 ;+ lz +sz,e; ?;+z| ??;+zwb w \;+z ? ?;+z?? ;+s 2?;m3 j?? m?3az?;+z?|;+z?';+z \???wh?w ?z3a s ptx ?q ?t qw2 t ?qcr?om?buz ?at az? ? q???`h ?? ?-z ?w- ?-z??^w- ?-sw ?t??alq`o ??zpb??ztq$s?suw-pv??o] u|<^m{ ???tgl^?om?o0xz a ?~?srwh?s??s`t!?b?\quk??bwp]? ?<^ m{ a ?w]?tm`?`ox? 2tpt?hx??3?7 yw ?c?]?y<^m{ ???w?;t?loi?b???hx??vfwvbw ??t`oxzptx ~fw y? ? m?d?{ ???t?loh~ ?hxptw??vfwvbw?at0b?- 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?p8l?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 |