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PMP20654 Reference Design

Texas Instruments

AC/DC Buck Converter Reference Design with Low Line Input and 12V/25mA Output

Description

The PMP20654 reference design uses Buck converter to convert low line AC input voltage (85Vac to 140Vac) to a 12V/25mA DC output with UCC28880 FET integrated controller. This design passes class B conducted emission test without adding any EMI filter before rectifier.

Features
  • 85VAC - 140VAC to 12V/25mASingle-layer PCBPass Class B conducted emission testLess than 10 °C temperature rise at toom temperature
Applications
Product Categories
  • Power management
Additional details