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| www.shindengen.co.jp/product/semi/ u170-1 features absolute maximum ratings ta = 2 5 ta= 2 5 unless otherwise specified electrical characteristics ta = 2 5 ,v cc =5v ta= 2 5 ,v cc =5v unless otherwise specified off constant current control function (fixed off time) 4 on 4-phase input (simultaneous on prevention function) built-in flywheel diodes parameter symbol rating unit logic supply voltage v cc 0 7 v ! logic input voltage v in/ena 0 v cc v "! output voltage v ceo sus 80 v "! # output current i c 1.2 a $%&' power dissipation p d 3w ()*+ storage temperature t stg -40 150 , -*+ junction temperature t j 150 parameter symbol ./0 condition min. typ. max. unit "!12 output saturation voltage v ce (sat) i c =0.9a - 1.1 1.4 v "!34 # output leakage current i cer v cer =80v - - 10 5 a vcc 67 # logic supply current i cc -3070 ma in 8 h 9 ! in 8 h 9 input voltage v in h2.3-v cc v in 8 l 9 ! in 8 l 9 input voltage v in lgnd-1.0v in 8 h 9 ! # in 8 h 9 input current i in hv in =5v - - 10 5 a in 8 l 9 ! # in 8 l 9 input current i in lv in =0v - -10 -50 5 a vref ! # vref input current i ref v ref =0v - -1 -50 5 a v s ! # v s input current i s v s =0v - -1 -50 5 a v s :; v s maximum voltage v s (max) --1 v www.shindengen.co.jp/product/semi/ u170-1 setting of output current and one shot off time output current setting one shot off time setting !"#$% recommended operating conditions ta = 2 5 ta = 2 5 unless otherwise specified &'()*+ typical application pin assignment top view mtd1120f ,-./ truth table recommended external components value parameter symbol <= recommendation unit , -*+ junction temperature t j -25 120 logic supply voltage v cc 4.75 5.25 v >4? load supply voltage v mm 27.5 v @abcdefg chopping frequency fchop 27 khz out a out a out b out b cf rf cf rf package hsop28 out rs a out a nc nc nc nc gnd com nc nc nc out b rs b out a b pg a in a in vs a vref a cr a vcc gnd lg cr b vref b vs b in in b pg b a b in a or b in or out a or b out or lloffoff l h off on hlonoff hhoffoff a b a b symbol <= recommendation unit rs 0.68 h rf 1 k h cf 3300 pf rt 8.2 k h ct 3300 pf vz vmm i 1.2 1.5 v r1+r2 j 10 k h constant current waveform motor current ichop lchop vref rs toff 0.69 ct rt = |
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