Low-stroboflash LED lamp circuit
The utility model discloses a low stroboflash LED lamp circuit, which comprises a rectification circuit, a constant current conversion circuit, an LED light emitting circuit and a PF correction circuit, the positive electrode of the constant current conversion circuit and the positive electrode of t...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a low stroboflash LED lamp circuit, which comprises a rectification circuit, a constant current conversion circuit, an LED light emitting circuit and a PF correction circuit, the positive electrode of the constant current conversion circuit and the positive electrode of the PF correction circuit are connected with the positive output end of the rectification circuit, and the negative electrode of the constant current conversion circuit and the negative electrode of the PF correction circuit are connected with the negative output end of the rectification circuit. The PF correction circuit comprises a first capacitor, a second capacitor and a charging and discharging control circuit, the first capacitor and the second capacitor are electrolytic capacitors, the charging and discharging control circuit is provided with a positive electrode and a negative electrode, the positive electrode of the first capacitor is the positive electrode of the PF correction circuit, the negative electro |
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