UCC28065 Description
The UCC28065 interleaved PFC controller enables transition mode PFC at higher power ratings than previously possible. The device uses a Natural Interleaving™ technique to maintain a 180-degree phase shift. Both channels operate as masters (there is no slave channel) synchronized to the same frequency.
UCC28065 Key Features
- 1 Input filter and output capacitor ripple-current reduction
- Reduced current ripple for higher system reliability and smaller bulk capacitor
- Reduced EMI filter size
- Higher switching frequency support
- Up-to 800-kHz switching frequency, reducing boost inductor size to at least one-half in size
- Improved input-current THD
- High light-load efficiency
- User adjustable phase management with input voltage pensation
- Burst mode operation with adjustable burst threshold
- Helps enable pliance to EUP Lot6 tier II, CoC tier II and DOE Level VI standards
UCC28065 Applications
- Slim AC/DC for LED and OLED TVs