Ordering number : EN3949E LB1838M Monolithic Digital IC Low-Voltage, Low-Saturation LB1838M Allowable Operating Ranges at Ta = 25C Parameter Symbol Conditions Ratings Unit Supply voltage V 2.5 to 9.0 VV CC V 1.8 to 9.0 V S Input high-level voltage V 1.8 to 9.0 V IH Input Low-level voltage V -0.3 to +0.7 V IL Electrical Characteristics at Ta = 25C, V = 3V CC Ratings Parameter Symbol Conditions Unit min typ max Current drain I 0 ENA1,2 = 0V, V 1 = 3V or 0V 0.1 10 A CC IN I 1 ENA1 = 3V, V 1 = 3V or 0V 12 18 mA CC IN Output saturation voltage V 1 ENA = 3V, V = 3V or 0V, I = 200mA 0.2 0.28 V OUT IN OUT V 2 ENA = 3V, V = 3V or 0V, I = 400mA 0.4 0.6 V OUT IN OUT Input current I V = 6V, V = 6V 200 A IN CC IN I V = 6V, ENA = 6V 200 A ENA CC Output sustaining voltage V(SUS) I = 400mA 9 V O OUT Spark killer diode Reverse current I(leak) V 1, V = 7V 30 A S CC S Forward voltage V I = 400mA 1.7 V SF OUT Package Dimensions unit : mm (typ) 3111A Pd max -- Ta 1000 3 Specified board: 20301.5mm glass epoxy board. 8.0 With specified board 14 8 800 600 Independent IC 550 480 1 7 0.15 400 (1.0) 1.0 0.35 330 SANYO : MFP14S(225mil) 0 -20 0 20 40 60 80 100 Ambient temperature, Ta -- C Pin Assignment GND ENA2 OUT3 V 2 OUT4 IN2 Vcont S 14 13 12 11 10 9 8 LB1838M 1 2 3 4 5 6 7 V ENA1 OUT1 V 1 OUT2 IN1 GND CC S Note: Both GND pins should be connected to ground. No.3949-2/5 200 (1.5) 0.1 4.4 1.7MAX 6.4 0.63 Allowable power dissipation, Pd max -- mW