> These are *drivers* ment to drive power MOSFET's. > They can probably be (miss-) used in other ways... :-) >=20 > My comment was regarding "1-3 A spec" that you wrote about. >=20 > From the datasheet for the "TC4423/TC4424/TC4425" : >=20 > Rdon (typ) at 18V and 25deg is 2.8 ohm >=20 > Max power for SOIC is 470 mW. > This is under "Absolute Maximum Ratings" which you should stay away from = anyway... >=20 > Current is then sqr(0.470/2.8) =3D ca 400 mA. >=20 > With lower Vdd and higher temp Rdon is higher, say 8 ohm which gives sqr(= 0.470/8) =3D > ca 240 mA. >=20 > These are not designed to drive constant loads. >=20 > Jan-Erik. Yeah, OK, point taken. ;)) --=20 Scanned by iCritical. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .