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Reference   Design

Part Number

Key Feature

19V4.75A

OB6683

l Single chip   integrated PFC controller and QR PWM controller

l Built-in dual   output PFC control

l Average   efficiency meet COCtier2

l Standby   power less than 75mW @230V input

400V0.3A

OB6560

l QR or DCM   operation PFC

l Valley switching   for min switching losses

l AC Brownout and   external OTP protections

l Dynamic and   static output OVP protection