Electronics Projects, Viper22A Power LED driver 350mA 3W article
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the Viper22A ICS with PWM control built on 350mA power LED driver circuit without insulation, without the use of the transformer was achieved. Design of series-connected 1W LED 350mA output current is limited to 3 pcs made to run. Input Voltage: 90 to 265V short circuit protection between.
note LED driver capacitor connections caution notice high voltage circuit operates with + – reverse polarity if you connect to the circuit line may be large explosions before running the insured electricity at high voltage,protective eye glasses
source: st.com/web/en/catalog/tools/PF243079 Viper22A LED sürücü devresi şema, pcb (gerber) diğer dökümanlar alternatif link: viper22a-power-led-driver-350ma-3w.rar