Very power-saving LED night light circuit

Publisher:码上奇迹Latest update time:2014-04-20 Source: 21ICKeywords:LED Reading articles on mobile phones Scan QR code
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16. Very energy-saving LED night light circuit.gif

Working principle of the circuit: The lighting power supply is directly powered by a 220 V AC power supply, and
a capacitor is used to limit the current. The VD6-VDs diode branch next to the white LED is used to protect
the surge voltage generated during the on and off period; VD6 blocks the reverse
voltage ; Rz is the discharge resistor of C; R1 is used
to prevent excessive current from being generated by burning C in case of a short circuit.

Keywords:LED Reference address:Very power-saving LED night light circuit

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