The board it's for kids, and to make at home. So, can't be SMD. And if i use the discrete transistors i will need 16 of them. Lucas A. Tanure Alves Skype : lucas.tanure +55 (19) 88176559 On Sat, May 29, 2010 at 10:27 AM, RussellMc wrote: > > I'm designing a board to control Servos, Stepper and DC Motors. So I > need a > > Array Transistor Non Inverting. Like ULN28003, but not inverting. I need > > some that is like the MIC2981/2982, but this chip it's very hard to find > > here in Brazil. I need a chip that is easier to find. > > I need a 8-Channel, 500ma output, Non inverting Array. I attached a > > picture. > > You can do that with discrete transistors connected as emitter followers. > Vin to base, Vout from emitter, V+ to collector. > > Size using smd is probably about the same as using an IC. > Diodes may or may not be needed depending on application. > > An advantage of using discrete transistors is that if wanted you can > "distribute them where needed physically - you just need to run supply > there rather than taking Vin and Vout to the IC. > > > Russell > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist