Can I use 12V 1a for 9V 1a?
Can I use 12V 1a for 9V 1a?
4 Answers. You cannot use that adapter because it is outputting more voltage than the original (12v vs. 9v). The new adapter must have the same tip polarity.
What happens if I use a 12V adapter on a 9V device?
If you have a 12V adapter, you might wonder whether you can use it to power your 9V guitar pedals. In most cases, you cannot use a 12V adapter to power a 9V guitar pedal. Using a 12V adapter on a pedal designed to only handle 9V can completely destroy it. Those pedals will work perfectly fine with a 12V adapter.
What happens if I use a 5V adapter on a 9V device?
No! It might work for few minutes, but eventually the voltage drop on the internal regulator will cause the circuit to overheat and burn. It could be however, that your adapter has an internal resistance causing the voltage to drop to ~5V, so it could work in this case, if the adapter can supply the needed current…
Can you interchange AC adapters?
As long as the voltage is the same on the adapter and on the device (also, I have 9V DC and 9V AC adapters, do not mix these up) and be sure the current required is less than the amount that the adapter can source otherwise you risk overloading the power supply.
How do I convert 12V to 9v?
A voltage regulator 12v to 9v converter with IC LM7809 is implemented as shown in the schematic diagram below. It can be used for low current application as well as for the current up to 2 Amperes or more. Important: Connect the input capacitor ‘Cin’ and an output capacitor ‘Co’ to the IC 7809.
Will any 9v adapter work?
any 9v with the correct polarity (- inside +on the outside i think) that supplies enough amperes (250 milliamperes minimumi think) will work fine. As long as the voltage matches up, 9v DC pedal with a 9v DC power supply, you will be fine.
Can I use a 9V on a 5V?
A 9v to 5v voltage regulator can be implemented with an LM7805 step-down voltage converter. It is used for (10mA to 1 Amp and more) medium to the high current application. The unique about this circuit is its ability to provide the same output current as applied at the input end.
Can I use 5V instead of 9V?
It is not a good idea to use a 9V or 12V adapter if you are talking about an ac adapter. It is only 20% off.
Are all AC adapter the same?
– Yes, they are likely interchangeable even though voltage is not the same. This is because the voltage difference is within specs, and I am GUESSING you could go even higher or lower in voltage.