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LC-32LE225
2.1. IC201
2.1.1. Block Diagram (MSB1222)
2. Detailed ICs Information, DUNTKF639WE (Main Unit)
• U601: Power Factor Corrector Controller (PFC Controller).
Part number: NCP1608D
Sharp code: -
The NCP1608 is an active power factor correction (PFC) controller specifi cally designed for use as a pre−converter in
ac−dc adapters, electronic ballasts, and other medium power off−line converters (typically up to 350 W). It uses critical
conduction mode (CrM) to ensure near unity power factor across a wide range of input voltages and output power. The
NCP1608 minimizes the number of external components by integrating safety features, making it an excellent choice
for designing robust PFC stages.
http://www.onsemi.com/pub_link/Collateral/NCP1608-D.PDF
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