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AN4346 Datasheet(PDF) 28 Page - STMicroelectronics

Part # AN4346
Description  10 W wide range - high power factor - isolated LED driver using HVLED815PF
PDF  33 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN4346 Datasheet(HTML) 28 Page - STMicroelectronics

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AN4346
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DocID025107 Rev 1
3.5
Startup at no load
If the converter wakes-up during no load condition, the OVP protection is triggered and the
output voltage is regulated at 32 V, protecting the output electrolytic capacitors from high
voltage.
Figure 39. Startup at 100 Vac - 50 Hz - no load
Figure 40. Startup at 230 Vac - 50 Hz - no load
CH1: LED current
CH2: CS pin
CH3: VOUT
CH4: VCC pin
CH1: LED current
CH2: CS pin
CH3: VOUT
CH4: VCC pin



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