Ordering number : EN7946A LB11946 Monolithic Digital IC PWM Current Control LB11946 Recommended Operating Conditions at Ta = 25C Parameter Symbol Conditions Ratings Unit Motor supply voltage V V 10 to 45 BB Logic system supply voltage V V = 5V specifications V 4.5 to 5.5 CC CC V = 3.3V specifications 3.0 to 3.6 V CC Reference voltage VREF V = 5V specifications 0.0 to 3.0 V CC V = 3.3V specifications V 0.0 to 1.0 CC Electrical Characteristics at Ta = 25C, V = 5V, V = 42V, VREF = 1.52V CC BB Ratings Parameter Symbol Conditions Unit min typ max Output Block Output stage supply current I ON 0.9 1.3 1.7 mA BB I OFF 0.52 0.7 1.05 mA BB Output saturation voltage V (sat) 1 I = +0.5A (sink) 1.1 1.4 V O O V (sat) 2 I = +1.0A (sink) 1.4 1.7 V O O V (sat) 3 I = -0.5A (source) 1.9 2.2 V O O V (sat) 4 I = -1.0A (source) 2.2 2.5 V O O Output leakage current I 1 (leak) V = V (sink) 50 A O O BB I 2 (leak) V = 0V (source) -50 A O O Output sustain voltage V L = 15mH, I = 1.0A, Design guarantee * 45 V SUS O Logic Block Logic system supply current I ON D0 = 1, D1 = 1, D2 = 1, D3 = 1 When these data 24 35 46mA CC values are set I OFF1 D0 = 0, D1 = 0, D2 = 0, D3 = 0 22 32 42 mA CC I OFF2 ST = LOW 0.05 0.1 mA CC Input voltage V 2 V IH V 0.8 V IL Input current I V = 2 V 35 A IH IH I V = 0.8 V 6 A IL IL Sense voltages VE D0 = 1, D1 = 1, D2 = 1, D3 = 1 When these data 0.470 0.50 0.525 V values are set D0 = 1, D1 = 1, D2 = 1, D3 = 0 0.445 0.48 0.505 V D0 = 1, D1 = 1, D2 = 0, D3 = 1 0.425 0.46 0.485 V D0 = 1, D1 = 1, D2 = 0, D3 = 0 0.410 0.43 0.465 V D0 = 1, D1 = 0, D2 = 1, D3 = 1 0.385 0.41 0.435 V D0 = 1, D1 = 0, D2 = 1, D3 = 0 0.365 0.39 0.415 V D0 = 1, D1 = 0, D2 = 0, D3 = 1 0.345 0.37 0.385 V D0 = 1, D1 = 0, D2 = 0, D3 = 0 0.325 0.35 0.365 V D0 = 0, D1 = 1, D2 = 1, D3 = 1 0.280 0.30 0.325 V D0 = 0, D1 = 1, D2 = 1, D3 = 0 0.240 0.26 0.285 V D0 = 0, D1 = 1, D2 = 0, D3 = 1 0.195 0.22 0.235 V D0 = 0, D1 = 1, D2 = 0, D3 = 0 0.155 0.17 0.190 V D0 = 0, D1 = 0, D2 = 1, D3 = 1 0.115 0.13 0.145 V D0 = 0, D1 = 0, D2 = 1, D3 = 0 0.075 0.09 0.100 V Reference current I VREF = 1.5V -0.5 A REF CR pin current I CR = 1.0V -1.6 -1.2 -0.8 mA CR MD pin current I MD = 1.0V, CR = 4.0V -5.0 A MD Logic system on voltage V ON 2.6 2.8 3.0 V LSD Logic system off voltage V OFF 2.45 2.65 2.85 V LSD LVSD hysteresis V 0.03 0.15 0.35 V LHIS Thermal shutdown temperature Ts Design guarantee * 170 C *Design guarantee: Design guarantee value, Do not measurement. No.7946-2/14