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I want a circuit in my project where there is switching between main supply and battery supply on failure of main supply.
LTC4412 suited this need very well. But this IC is not available in bangalore.
Pleasse help me find an alternative ic o circuit. Because i want status of Switching to be sent across RF.
i want to use an ic instead of relay circuit, the ones marked in yellow is confusing as i dono the working of relay circut.
the signal has to be sent to the microcontroller via 433mhz about the status of power supplywysiwyg_imageupload:8225: