OB3663 Demo Board Manual(C)_EUCHIPS_150211(3)

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No dimmer mode

CH1:V_I_DET CH2: V_PHASE CH3:V_BL CH4: Vac

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3.4 Protection

3.4.1 OVP

Output voltage under no-load condition

176Vac/50Hz

Output Voltage 42

Vin=176Vac,LED load

264Vac/50Hz

41

Vin=176Vac,LED load,Spread

Spec. ﹤

45V

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CH1:VDD CH2: Vled CH3: VCS CH4:Vds

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Vin=264Vac,LED load,Spread

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3.4.2 Short Circuit Protection

Short protection &Instant input power

176Vac/50HZ

Input Power (W)

Vin=176Vac,LED load

0.86

264Vac/50HZ

1.38

Vin=176Vac,LED load,Spread

Spec. < 2W

CH1:VDD CH2: Vled CH3: VCS CH4:Vds

Vin=264Vac,LED load

CH1:VDD CH2: Vled CH3: VCS CH4:Vds

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CH1:VDD CH2: Vled CH3: VCS CH4:Vds

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