12V AC-DC Converter MC34063 Driving 350mA LED 12V Source
MC34063 switching regulator integrated circuit on the circuit board 350 the ideal drive for the LumiLed working voltage 12v dc 4 Piece application circuit’s single lumi lumi LED and LED driver circuits with three series-connected sources have robust (ON... Electronics Projects, 12V AC-DC Converter MC34063 Driving 350mA LED 12V Source "led projects, power electronic projects, " Date 2019/08/02
MC34063 switching regulator integrated circuit on the circuit board 350 the ideal drive for the LumiLed working voltage 12v dc
4 Piece application circuit’s single lumi lumi LED and LED driver circuits with three series-connected sources have robust (ON Semiconductor).
schematic for driving one 350 ma LED from a 12V DC source. The MC34063 is used in a step down topology. The chip is a basic DC/DC controller with a 1.5A switch. The current through the LED is sensed by a 3.6ohm 1W resistor. The voltage across the resistor is used as the feedback voltage (1.25V) for the controller. R2 keeps the current at about 350 ma. With 470 pf used as the timing capacitor the oscillator runs at about 50 khz. R1 limits the current for short circuit conditions and C4 provides filtering for the feedback voltage.
MC34063 Power LED Buck Driver Circiut
MC34063 Driving One 350mA LED from a 12V Source application files:
FILE DOWNLOAD LINK LIST (in TXT format): LINKS-7847.zip
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