12v Dc To 9v Dc Converter Circuit Diagram
A coolrib for q1 is optional but highly recommended.
12v dc to 9v dc converter circuit diagram. This is a 12vdc to 9vdc converter circuit. 1 shows the circuit diagram of the 12v dc to 9v dc converter with input filter and protection. 12v to 9v dc converter this 12v to 9v dc converter is very useful to power 9v dc devices in a car that uses a 12v battery.
Be integrated circuit ic 741 and power transistor 2n3055. This circuit designs for modifying a 12v power supply input 12v from a battery or the other. This is a 12vdc to 9vdc converter circuit.
To get a more precise output voltage replace zener diode z1 with 10v and r1 with a 1kilo ohm potentiometer. This 12v to 9v dc converter is implemented using a zener diode and a npn bipolar transistor q1 as shown in the circuit diagram. R1 560 ohm resistor c1 1000uf 16v electrolytic capacitor c2 100uf 16v electrolytic capacitor c3 330nf read more.
This dc to dc converter circuit can be used to convert any 12v dc source to 9v dc. Circuit diagram of 12v dc to 9v dc converter input voltage can be regulated or unregulated. Uc li ion power bank w mc34063 t k.
Browse through a total of 11 some interesing dc dc converter circuits for 1 5v 3v 6v 9v and 12v. You may use this dc to dc stepdown converter circuit if you have fixed 12v power supply battery but you need 9v power supply for your electronic devices. Have the level voltage be down be left 9v be stable or 9v at 2 amp dc power supply.
The circuit can also be used to step down or convert any 12 volt battery power to 9 volt such as car battery. Lm7806 is an ic of lm78xx series there are many ics in this series like lm7805 lm7809 lm7812 etc all the ics are made for different fixed output. It is built around adjustable voltage regulator lm2576 ic1 two diodes p6ke18a and 1n5822 d1 and d2 and a few other components.
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