![]() ![]() They are specially designed for Off-Line and DC to DC converter applications with minimum external components. According to the UC3943 datasheet: “The UC3842/UC3843/UC3844/UC3845 are fixed frequency current-mode PWM controller. IC1 is the controller of the boost converter circuit. ![]() So, these characteristics make these components a good fit for this project. The ON resistance (RDS(ON)) of the Mosfet is just around 28 milliohm and it can handle up to 50A at 25C. ![]() D1 is the MBR20100CT Schottky diode (two parallel diodes in one package). L1, D1, and Q1 build a boost conversion network. C1 and C2 have been used to reduce the input noises. ![]()
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