LB1838M

Ordering number: EN3949C Monolithic Digital IC LB1838M Low-saturation, Bidirectional Motor Driver for Low-voltage Applications Overview The LB1838M is a low-saturation two-channel bidirectional motor driver IC for use in low-voltage applications. The LB1838M is a bipolar stepper-motor driver IC that is ideal for use in printers, FDDs, cameras and other portable devices. Package Dimensions unit : mm 3111-MFP14S [LB1838M] Features . Low voltage operation (2.5 V min) . Low saturation voltage (upper transistor + lower transistor voltage; 0.40 V at 400 mA). . residual Through-current prevention circuit built in . Separate logic power supply and motor power supply . Spark killer diodes built in . Thermal shutdown circuit built in . Compact package (14-pin MFP) SANYO : MFP14S Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Output applied voltage Input applied voltage Ground pin flow-out current Allowable power dissipation Operating temperature Storage temperature Symbol VCC max VS max VOUT VIN IGND Pd max1 Pd max2 Topr Tstg Per channel Independent IC * With board Conditions Ratings –0.3 to +10.5 –0.3 to +10.5 VS + VSF –0.3 to +10 1.0 550 800 –20 to +75 –40 to +125 Unit V V V V A mW mW °C °C *Note: Mounted on 20 × 30 × 1.5 mm3 glass epoxy PCB Allowable Operating Ranges at Ta = 25°C Parameter Supply voltage Input high-level voltage Input low-level voltage Symbol VCC VS VIH VIL Conditions Ratings 2.5 to 9.0 1.8 to 9.0 1.8 to 9.0 –0.3 to +...