Published:2011/4/22 3:03:00 Author:Christina | Keyword: Remote, Voltage Regulator, On-off Function | From:SeekIC
When voltage Us>3V, transistor T2 turns on, and T1 turns on too; but when the Us<0.2V, T1 and T2 turn off. Actually the value of R1 and R2 is related to transistor T1,T2 and operating voltage, you need to adjust the value inexperiment.
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