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Universal AC Input, Dual Output (12V@30mA, 3.3V@400mA) Isolated Flyback Converter Reference Design
PMP10143
This product has been released to the market and is available for purchase. For some products, newer alternatives may be available.
This product has been released to the market and is available for purchase. For some products, newer alternatives may be available.
See the Important Notice and Disclaimer covering reference designs and other TI resources.
Key Document
- PMP10143 Test Results
(PDF 918 KB)
23 Sep 2015
Description
The PMP10143 reference design demonstrates the use of UCC28880 high-voltage switcher to design an Offline Isolated Flyback converter that can supply greater than 100mA output current. Using 2ndary side feedback control, the design delivers a tighly regulated 3.3V/400mA output that can be used to bias micontrollers and DSPs. In addition the design also provides a 2nd output rail of 12V/30mA that can be used to supply relays and other analog devices.
Features
- UCC28880-based Isolated Flyback converter
- Design delivers >100mA output
- Tightly regulated 3.3V output (<1%, at 25C) using 2ndary side opto-feedback
- >74% efficiency at full-load on both rails
- Flyback transformer designed for basic isolation
- Short-circuit withstand capability of 3 seconds
- This design is tested and includes test results and CAD files
See the Important Notice and Disclaimer covering reference designs and other TI resources.
