LB1740

Ordering number:EN3173B Monolithic Digital IC LB1740 8-Channel, Current-Source Output, Darlington Transistor Array Overview The LB1740 is an 8-channel current source output Darlington transistor array made up of PNP transistors and NPN transisitors.High output drive capability for very low input current is achieved. Package Dimensions unit:mm 3007A-DIP18 [LB1740] Features Eight independent Darlington driver circuits. High breakdown voltage (50V), high current source output (500mA). With output clamp diodes. SANYO:DIP18 Specifications Maximum Ratings at Ta = 25˚C Parameter Maximum supply voltage Output supply voltage Input supply voltage Muximum output current Clamp diode forward current Clamp diode reverse voltage Allowable power dissipation Operating temperature Storage temperatrure Symbol VCCmax VOUT VIN IOUT IF VR Pd max Topr Tstg Per channel Conditions Ratings –0.3 to +50 –0.3 to VCC –0.3 to +30 –500 –500 –0.3 to +50 1.13 –20 to +75 –40 to +150 Unit V V V mA mA V W ˚C ˚C Allowable Operating Conditions at Ta = 25˚C Parameter Supply voltage Inout ON-level voltage Inout OFF-level voltage Symbol V CC VION VIOFF IOUT =–350mA IOUT ≥ –50µA Conditions Ratings 4 to 50 1.8 to 30 –0.3 to +0.3 Unit V V V Electrical Characteristics at Ta = 25˚C, VCC =50V Parameter Supply current Output voltage Input current Clamp diode forward voltage Clamp diode reverse voltage Reted propagation delay time Symbol ICCH ICCL VOH1 VOH2 VIN1 VIN2 VF VR tph1 Conditions All inputs:VIN=5V All...