Non-strobe isolated LED constant-current driving circuit
A constant current drive, isolated technology, applied in the direction of lamp circuit layout, electric light source, lighting device, etc., can solve the problems of endangering human health, visual nerve fatigue, shortening the service life of LED, etc.
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[0025] In order to describe the present invention more specifically, the technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0026] A flicker-free isolated lighting LED constant current drive circuit such as image 3 As shown, it includes: an AC input source, a rectifier bridge DB, a constant current drive module 1 , a filter capacitor C1 , an LED load and an LED stroboscopic elimination module 2 . Among them: both ends of the AC input source are connected to the AC side of the rectifier bridge DB, the positive pole of the DC side of the rectifier bridge DB is connected to the a terminal of the constant current drive module 1, and the negative pole of the DC side of the rectifier bridge DB is connected to the ground of the primary side; the constant current drive module The b terminal of 1 is connected to the positive terminal of the filter capacitor C1, the positive terminal o...
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