LB1249

Ordering number:ENN1482C Monolithic Digital IC LB1249 Active-Low Input, 8-Unit, High-Current, Low-Saturation Driver Applications 4-phase stepping motor driver of 2 channels. Especially suited for X-Y axis plotter printer driver. High current, low saturation voltage general-purpose 8- unit driver (relay, LED, lamp solenoid, etc.). Features Low active input type. On-chip input protecting diodes. High current capacity (400mA) and low saturation volt- age (0.5V max). On-chip spark killer diodes. Wide duty due to Pd of 3W max. Package Dimensions unit:mm 3037A-DIP20H [LB1249] 20 11 R1.7 1 20.0 10 27.0 8.4 4.0 4.0 12.7 11.2 0.4 2.07 2.54 Specifications Absolute Maximum Ratings at Ta = 25˚C Parameter Maximum supply voltage Output supply voltage Input supply voltage Output current Spark killer diode forward current GND pin current Instantaneous current drain Allowable power dissipation Operating temperature Storage temperature Symbol VCC1,2 VOUT VIN IOUT IFSM IGND ICCP Pd max Topr Tstg Conditions GND≤VIN Per unit Pulse width≤35ms, duty 5% Pulse width≤35ms Pulse width≤35ms, duty 5% 0.6 Allowable Operating Ranges at Ta = 25˚C Parameter Supply voltage Input H-level voltage Input L-level voltage Symbol VCC1 VDD VIH VIL Conditions GND≤VIN, IOUT=200mA IOUT≤100µA 1.3 SANYO : DIP20H Ratings –0.3 to +7.0 –0.3 to +10.0 VDD–7.0 to VDD+15 400 400 3.4 3.2 3.0 –20 to +75 –40 to +125 Unit V V V mA mA A A W ˚C ˚C Ratings 2.3 to 6.0 2.3 to 6.0 VDD–6.0 to VDD–2.3 VD...