AC/DC Buck Converter Reference Design with Low Line Input and 12V/25mA Output
PMP20654
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Key Document
- PMP20654 Test Results
(PDF 1556 KB)
08 Dec 2017
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/25mA
- Single-layer PCB
- Pass Class B conducted emission test
- Less than 10°C temperature rise at toom temperature
See the Important Notice and Disclaimer covering reference designs and other TI resources.