Ordering number : EN5505D LB1845 Monolithic Digital IC PWM Current Controlling LB1845 Recommended Operating Ranges at Ta = 25C Parameter Symbol Conditions Ratings Unit Motor supply voltage V 10 to 44.5 V BB Logic block supply voltage V 4.75 to 5.25 V CC Reference voltage V 1.5 to 7.5 V REF Electrical Characteristics at Ta = 25C, V = 38V, V = 5V, V = 5V BB CC REF Ratings Parameter Symbol Conditions unit min typ max Output Block Output stage supply current I ON 12 16 BB mA I OFF 0.7 0.9 BB Output saturation voltage 1 V(sat)1 I = +1.0A Sink 1.2 1.4 O O V(sat)2 I = +1.5A Sink 1.4 1.7 O O V V(sat)3 I = -1.0A Source 1.1 1.3 O O V(sat)4 I = -1.5A Source 1.3 1.6 O O Output leakage current I(leak)1 V = V Sink 50 O O BB A I(leak)2 V = 0V Source -50 O O Sustained output voltage V(sus) * 45 V Logic Block Logic supply current I ON I = 0.8V, I = 0.8V 19.5 25.3 CC 0 1 mA I OFF I = 2.4V, I = 2.4V 15.5 20.1 CC 0 1 Input voltage V 2.4 IH V V 0.8 IL Input current I V = 2.4V 10 IH IH A I V = 0.8V -10 IL IL Current control threshold voltage V /V I = 0.8V, I = 0.8V 9.5 10 10.5 REF SENSE 0 1 I = 2.4V, I = 0.8V 13.5 15 16.5 0 1 I = 0.8V, I = 2.4V 25.5 30 34.5 0 1 Thermal shutdown temperature T 170 C S * Note: Design guaranteed value. Package Dimensions unit: mm (typ) 3147C 28 15 R1.7 1 14 20.0 26.75 (1.81) 1.78 0.6 1.0 SANYO : DIP28H(500mil) No.5505-2/9 8.4 4.0 4.0 12.7 11.2 0.4