This 12V DC 500mA electronic project is based on the NCP4629 low drop out regulator manufactured by ON Semiconductor . This NCP4629 is a CMOS 12V DC 500mA low drop out regulator which features a high input voltage range while maintaining a low quiescent current. Several protection features like current limiting and
thermal shutdown are fully integrated to create a versatile and robust device.
The NCP4629 regulator is available in three output voltages configurations that will provide an output voltage range between 3 and 12 volts .
A high maximum input voltage (36 V) and wide temperature range (−40°C to 105°C) makes the NCP4629 an ideal choice for high power industrial applications.
A 470 nF ceramic input decoupling capacitor should be connected as close as possible to the input and ground pin of the NCP4629.
A 10 uF ceramic output decoupling capacitor is sufficient to achieve stable operation of the IC.
The enable pin CE may be used for turning the regulator on and off. The IC is switched on when a high level voltage is applied to the CE pin.
The IC includes internal thermal shutdown circuit that stops operation of regulator, if junction temperature is higher than 160°C. After that, when junction temperature decreases below 135°C, the operation of voltage regulator would restart.
thermal shutdown are fully integrated to create a versatile and robust device.
The NCP4629 regulator is available in three output voltages configurations that will provide an output voltage range between 3 and 12 volts .
A high maximum input voltage (36 V) and wide temperature range (−40°C to 105°C) makes the NCP4629 an ideal choice for high power industrial applications.
A 470 nF ceramic input decoupling capacitor should be connected as close as possible to the input and ground pin of the NCP4629.
A 10 uF ceramic output decoupling capacitor is sufficient to achieve stable operation of the IC.
The enable pin CE may be used for turning the regulator on and off. The IC is switched on when a high level voltage is applied to the CE pin.
The IC includes internal thermal shutdown circuit that stops operation of regulator, if junction temperature is higher than 160°C. After that, when junction temperature decreases below 135°C, the operation of voltage regulator would restart.
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