Reference Designs
120VAC Input: PSR 5V 25W Flyback Reference Design
Texas Instruments
This reference design is a 120Vac to 5V primary side regulated flyback converter with synchronous rectification on the secondary side. The reference design has extremely low standby power at 67mW. UCC28704 features integrated CC-CV regulation without the use of an optocoupler. PMP20771 utilizes synchronous rectification which improves system efficiency across the designed load range.
Features
- Over 88% efficiency at full loadLow standby power: 67mW with no load1oz: 2-layer board measuring 7mm x 38mm sizePrimary side regulation eliminates the need for an optocoupler
Applications
- USB wall power outlet
Product Categories
- Power management
End Equipment Reference Diagrams
Application Area
End Equipment