A CMOS TLC555 can't source enough current to charge the gate rapidly and was damaged by being connected directly to the gate (a 3500-pF capacitive load). But a bipolar NE555 with an added 82-Ω protective resistor drives the IRF4905 MOSFET safely and relia

AuthorsMichael Covington
Main DocumentArticle «Informed Analysis Picks Better 555 Timer To Drive Power MOSFET»
DescriptionFigure 1
Document LanguageEnglish

A CMOS TLC555 can't source enough current to charge the gate rapidly and was damaged by being connected directly to the gate (a 3500-pF capacitive load). But a bipolar NE555 with an added 82-Ω protective resistor drives the IRF4905 MOSFET safely and relia

EMS supplier