Gradually-illuminating LED (Light Emitting Diode) night-lamp driving system equipped with triggering intensifier circuit
A technology of LED night light and driving system, which is applied in the direction of electric light source, electrical components, electroluminescent light source, etc., can solve the problems of driving hidden dangers, affecting work efficiency, and difficulty in concentrating, so as to improve the overall service life and improve the safety of use Sexuality, effect of improving sleep effect
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[0017] Such as figure 1 As shown, the gradually brightening LED night light driving system provided with a trigger enhancement circuit includes a diode bridge rectifier U1, the anode of which is connected to one input of the diode bridge rectifier U1, and the cathode is connected to the other input of the diode bridge rectifier U1 Capacitor C1 which constitutes the power supply input end of the fade-in drive system, and resistor R1 set in parallel with capacitor C1, the positive pole is connected to the positive output terminal of the diode bridge rectifier U1, and the negative pole is connected to the negative output terminal of the diode bridge rectifier U1 The capacitor C2, and the power supply input circuit composed of the Zener diode D1 whose N pole is connected to the positive pole of the capacitor C2 and the P pole is grounded; The primary driving circuit, the secondary driving circuit and the tertiary driving circuit, and the trigger enhancement circuit connected with ...
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