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Hello there,
If DC-DC is said, I still recommend using the LM2596DC-DC step-down module, which is also very efficient and the circuit is simple. For details, please refer to:**broken link removed**
Hello there,
Read your question, you think you must not know **broken link removed**, your problem can be solved with lm2596 integrated circuit, give you a link you can go to see the detailed circuit diagram. Production is also very simple and convenient. Hope it helps you.
**broken link removed**
I am also a newbie, I really want to help you, but I don't fully understand your problem. I think you can want an application 555 to control 6 LEDs. I can give you a 555 charging circuit. You can remove the battery part. It is very good to connect 6 LED lights.
Circuit diagram address：
**broken...
The designed input range is 20~30V, the output voltage is 7.4V, the switching frequency is 500KHZ, and the maximum current is 20A.
In actual test, the input voltage is 25.3V, the VCC pin is 7.55V (the theoretical value of the specification is 7.5), the FB pin is 0.801V (the theoretical value of...
Calculated according to the output power of the switching power supply and the pulse width modulation rate and the primary voltage. Generally speaking, it can only be an estimate. General value
Transformer input power = P out / 70%
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