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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 #$%& cross conduction protection '()* thermal shutdown function +,-./01234 built-in flywheel and flyback diodes parameter symbol rating unit logic supply voltage v cc 0 6 v ! logic input voltage v in/i0/i1 0 v cc v "#$ load supply voltage v mm 30 v %!& output current i c 1.2 a '()*)#+,)-#.& flywheel diode current if 1.2 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 parameter symbol 9:; condition min. typ. max. unit output stage <=%!>? output saturation voltage upper side v ce sat hi c =1.0a - 1.2 1.4 v @=%!>? output saturation voltage lower side v ce sat li c =1.0a - 0.7 1.0 v <=%!a#& output leakage current upper side irh v mm =30v, v out =0v - - 10 b a @=%!a#& output leakage current lower side irl v out =30v, v rs =0v - - 10 b a <=,)-#.c diode forward drop upper side v f hi f =1.0a - 1.4 1.6 v @=,)-#.c diode forward drop lower side v f li f =1.0a - 1.3 1.5 v logic stage v cc de& 2 fg on h logic supply current 2 circuit on i cc (on) -5065 ma v cc de& 2 fg off h logic supply current 2 circuit off i cc (off) v in =all 0v or all 5v - 15 25 ma in i h j ! in i h j input voltage v in h2.3-v cc v in i l j ! in i l j input voltage v in lgnd-0.6v in i h j !& in i h j input current i in hv in =3.3 or 5v - - 10 b a in i l j !& in i l j input current i in lv in =0v - -3 -20 b a i0,i1 i h j ! i0,i1 i h j input voltage v i0/i1 h2.3-v cc v i0,i1 i l j ! i0,i1 i l j input voltage v i0/i1 lgnd-0.6v i0,i1 i h j !& i0,i1 i h j input current i i0/i1 hv i0/i1 =3.3 or 5v - - 10 b a i0,i1 i l j !& i0,i1 i l j input current i i0/i1 lv i0/i1 =0v - -75 -100 b a vref !& vref input current i ref vr=5v - 500 650 b a vs !& vs input current is vs=0v - -1 -10 b a comp klmn*#+. 100 o comparator threshold 100% vs1 vr=5v, v i0 =0v, v i1 =0v 0.475 0.5 0.525 v comp klmn*#+. 70 o comparator threshold 70% vs2 vr=5v, v i0 =5v, v i1 =0v 0.322 0.35 0.378 v comp klmn*#+. 33 o comparator threshold 33% vs3 vr=5v, v i0 =0v, v i1 =5v 0.153 0.17 0.187 v pqrstuvw chopping frequency f chop ct=3300pf, rt=18k x -23- khz y(szst$)[ blanking time t b ct=3300pf - 1.55 - b s vs \] vs maximum voltage v s (max) --1.5 v ^_3`ab56 thermal shutdown temperature t tsd - 150 - www.shindengen.co.jp/product/semi/ u170-1 recommended external components value recommended operating conditions ta = 2 5 ta = 2 5 unless otherwise specified !"#$%& setting of output current and chopping frequency output current setting a chopping frequency setting hz '()* typical application symbol cd recommendation unit rt 18 k x ct 3300 pf vr v cc v parameter symbol cd recommendation unit 7856 junction temperature t j -25 120 logic supply voltage v cc 4.75 5.25 v "#$ load supply voltage v mm 27 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 mtd2003f 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 o vref v at vr=5v l l 100 0.5 e 5 o hl 70 0.35 e 8 o lh 33 0.17 e 10 o hh 0 - package hsop28 vmm a out 1 nc rs a nc nc out 2 gnd out 3 nc nc rs b nc out 4 vmm b vcc in 1 in 2 i0 nc vs a vr gnd cr vs b nc i1 in 3 in 4 vcc ] ? 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