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Texas Instruments UCC28911 | Demoboard PMP30070
Universal Input to 12V@670mA & -10V@50mA Isolated Flyback with Integrated Switch Reference Design
Overview
| Topology | Flyback Converter |
| Input voltage | 90-270 V |
| Output 1 | 12 V / 0.67 A |
| Output 2 | -10 V / 0.05 A |
| IC revision | C |
Description
A quasi-resonant primary-side regulated Flyback supplies an isolated output 12V @ 670mA and non-isolated output -10V @ 50mA from universal input voltage (90Vac to 270Vac). The controller integrates 700V FET and the board is able to withstand up to 350VAC without damage and switches OFF for Vin > 285VAC
Features
Simple isolated PSR flyback converter with integrated 700V FETCompact solution supplies 8.5W with almost flat efficiency (70%...81%) from 5% to 100% loadOpto-less topology increases the reliability of the power supplyGood cross-regulation performance between outputs (+/-5% on main output)
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IR(A) | ISAT,10%(A) | RDC max.(Ω) | fres(MHz) | Version | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TI Radial Leaded Wire Wound Inductor, 1000 µH, 0.25 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TI Radial Leaded Wire Wound Inductor | Inductance1000 µH | Rated Current0.25 A | Saturation Current @ 10%0.27 A | DC Resistance6 Ω | Self Resonant Frequency2.3 MHz | VersionHeat Shrinking Tube | ||||
 | 7508110347 | Transformer, 1200 µH, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Transformer | Inductance1200 µH | – | – | – | – | – |