12+ Ic 7912 Pin Diagram. Maintain the supply voltage at 3.3 v ± 10% for specified operation. Lm7912 ic is a negative voltage regulator supply negative voltages.
The xx in 78xx indicates the output voltage it provides. It consists of six not gates. 7805 voltage regulator, a member of 78xx series of fixed linear voltage regulators used to maintain such fluctuations, is a popular voltage regulator integrated circuit (ic).
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12+ Ic 7912 Pin Diagram. The name 7805 signifies two meaning, 78 means that it is a positive voltage regulator and 05 means that it provides 5v as output. Maintain the supply voltage at 3.3 v ± 10% for specified operation. This is the voltage regulator ic which gives you +12 volts. Function of various pins of 555 ic: