Ordering number : EN7232C LB1940T Monolithic Digital IC LB1940T Allowable Operating Range at Ta = 25C Ratings Parameter Symbol Conditions unit min typ max Function-guaranteed voltage range VOPR1 V system, VS = 2.0V 1.9 6.5 V DD VOPR2 VS system, V = 5.0V 1.6 7.5 DD Low level input threshold voltage V ENA1, ENA2, IN1, IN2 -0.3 1.0 V IL High level input threshold voltage V ENA1, ENA2, IN1, IN2 2.0 6.0 V IH VC input voltage VC 0.19 1.0 V Electrical Characteristics at Ta = 25C, VS = 3V, V = 5V DD Ratings Parameter Symbol Conditions unit min typ max Standby current dissipation ISTB VS = V = 6.5V 0.1 1.0 A DD Regulator output circuit VREF output voltage VREF I = 0 to 1mA 0.85 0.9 0.95 V OL SVDD output voltage VSVDD I = 10mA 4.70 4.85 V OL H bridge output circuit OUT output saturation voltage V (sat)1 0.20 0.30 V V = 5.0V, VS = 2.0V O DD (at saturation control) I = 200mA (PNP side) O V (sat)2 0.10 0.15 V V = 5.0V, VS = 2.0V O DD I = 200mA (NPN side) O OUT output current I 1 V = 6.0V, VC = 0.2V, VS = 3.5V 94 100 106 mA OUT DD (at constant current control) R = 5 (between OUT-OUT), RFB = 2 L I 2 180 200 220 mA OUT Rb VC = VREF (Ra = 70k, Rb = 20k) * Ra Rb V = 6.0V, VS = 2.0V DD R = 5 (between OUT-OUT), RFB = 1 L VS system operating current IS1 1.5 3 mA Rb VC = VREF (Ra = 70k, Rb = 20k) * consumption Ra Rb V system operating current I 1 4 7mA DD DD Rb VC = VREF (Ra = 70k, Rb = 20k) * dissipation Ra Rb ENA1 = 2V 0 -1 A VC input current IVC V = 6.0V, VS = 2.0V, VC = 1.9V DD Control input circuit Control pin maximum input current 80 100 A I V = 5.5V IH IH -1 0 I V = GND IL IL * For Ra and Rb, refer to Application Circuit Diagram. No.7232-2/8