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 inputs:Open VIN=1.8V, IOUT=–100mA VIN=1.8V, IOUT=–350mA VIN=5V VIN=25V IF=–350mA IR=100µA –2.4 50 20 VCC–2.0 VCC–2.4 Ratings min typ 5.6 VCC–1.45 VCC–1.6 0.4 2.6 –1.2 0.75 4.7 max 10 100 Unit mA µA V V mA mA V V ns SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquaters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN 43098HA (KT)/N2195YK/N149TA, TS No.3173-1/2 LB1740 Ta=25˚C, VCC=12V Parameter Switching delay time Symbol td Conditions Reference circuit, See Figure1 Ratings min typ 7.3 max Unit µA Figure 1 Pin Assignment Equivalent Circuit (1 channel) No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or indirectly cause injury, death or property loss. Anyone purchasing any products described or contained herein for an above-mentioned use shall: Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors and all their officers and employees, jointly and severally, against any and all claims and litigation and all damages, cost and expenses associated with such use: Not impose any responsibilty for any fault or negligence which may be cited in any such claim or litigation on SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees jointly or severally. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of April, 1998. Specifications and information herein are subject to change without notice. PS No.3173-2/2