Description:Low Standby Current; Output Voltage Adjustable; Precision 2% Reference; Operation from 3.0 V to 40 V Input; Current Limiting; Frequency Operation to 100 kHz; Output Switch Current to 1.5 A; MC34063A = 0 to +70℃; MC33063A = -40 to +85℃; MC33063AV / NCV33063A = -40 to +125℃; 4x4mm DFN package option
The maximum input voltage that can be applied to the MC34063ADG is 40V, but it's recommended to keep it below 30V for reliable operation.
The inductor value depends on the output voltage, output current, and switching frequency. A good starting point is to use the inductor value calculation formula provided in the datasheet, and then adjust based on the specific application requirements.
The compensation pin is used to stabilize the voltage regulator loop. A capacitor and resistor network is typically connected between the compensation pin and ground to provide the necessary compensation. The values of the capacitor and resistor depend on the specific application and can be calculated using the datasheet formulas.
The MC34063ADG has a recommended operating temperature range of -40°C to 125°C. Ensure good thermal design, use a suitable heat sink if necessary, and avoid overheating the device by keeping the junction temperature below 150°C.
The maximum output current that the MC34063ADG can provide depends on the input voltage, output voltage, and inductor value. Typically, it can provide up to 1.5A of output current, but this can be limited by the inductor saturation current and the device's thermal limitations.
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